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Merge branch 'master' into crestline 

Conflicts:

	shared-core/i915_dma.c
main
Nian Wu 2006-11-09 21:21:17 -08:00
parent e2ea72187e d51e1bb56c
commit 14e3f2711e
86 changed files with 9165 additions and 1043 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
bsd-core/drmP.h
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@ -170,7 +170,7 @@ MALLOC_DECLARE(M_DRM);
#define wait_queue_head_t atomic_t
#define DRM_WAKEUP(w) wakeup((void *)w)
#define DRM_WAKEUP_INT(w) wakeup(w)
#define DRM_INIT_WAITQUEUE(queue) do {} while (0)
#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
#if defined(__FreeBSD__) && __FreeBSD_version < 502109
#define bus_alloc_resource_any(dev, type, rid, flags) \
@ -270,6 +270,7 @@ extern struct cfdriver drm_cd;
#endif
typedef unsigned long dma_addr_t;
typedef u_int64_t u64;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
@ -713,6 +714,9 @@ struct drm_device {
struct drm_driver_info driver;
drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
u_int16_t pci_device; /* PCI device id */
u_int16_t pci_vendor; /* PCI vendor id */
char *unique; /* Unique identifier: e.g., busid */
int unique_len; /* Length of unique field */
#ifdef __FreeBSD__

51
bsd-core/drm_drawable.c
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@ -1,51 +0,0 @@
/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*-
* Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com
*/
/*-
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#include "drmP.h"
int drm_adddraw(DRM_IOCTL_ARGS)
{
drm_draw_t draw;
draw.handle = 0; /* NOOP */
DRM_DEBUG("%d\n", draw.handle);
DRM_COPY_TO_USER_IOCTL( (drm_draw_t *)data, draw, sizeof(draw) );
return 0;
}
int drm_rmdraw(DRM_IOCTL_ARGS)
{
return 0; /* NOOP */
}

1
bsd-core/drm_drawable.c Symbolic link
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@ -0,0 +1 @@
../shared-core/drm_drawable.c

3
bsd-core/drm_drv.c
View File

@ -516,6 +516,9 @@ static int drm_load(drm_device_t *dev)
dev->pci_slot = pci_get_slot(dev->device);
dev->pci_func = pci_get_function(dev->device);
dev->pci_vendor = pci_get_vendor(dev->device);
dev->pci_device = pci_get_device(dev->device);
TAILQ_INIT(&dev->maplist);
drm_mem_init();

2
bsd-core/i915_drv.c
View File

@ -1,4 +1,4 @@
/* i915_drv.c -- ATI Radeon driver -*- linux-c -*-
/* i915_drv.c -- Intel i915 driver -*- linux-c -*-
* Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
*/
/*-

3
configure.ac
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@ -19,7 +19,7 @@
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
AC_PREREQ(2.57)
AC_INIT([libdrm], 2.0.2, [dri-devel@lists.sourceforge.net], libdrm)
AC_INIT([libdrm], 2.3.0, [dri-devel@lists.sourceforge.net], libdrm)
AC_CONFIG_SRCDIR([Makefile.am])
AM_INIT_AUTOMAKE([dist-bzip2])
@ -30,6 +30,7 @@ AC_PROG_LIBTOOL
AC_PROG_CC
AC_HEADER_STDC
AC_SYS_LARGEFILE
pkgconfigdir=${libdir}/pkgconfig
AC_SUBST(pkgconfigdir)

4
libdrm/Makefile.am
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@ -20,12 +20,12 @@
libdrm_la_LTLIBRARIES = libdrm.la
libdrm_ladir = $(libdir)
libdrm_la_LDFLAGS = -version-number 2:0:0 -no-undefined
libdrm_la_LDFLAGS = -version-number 2:3:0 -no-undefined
AM_CFLAGS = -I$(top_srcdir)/shared-core
libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c
libdrmincludedir = ${includedir}
libdrminclude_HEADERS = xf86drm.h
libdrminclude_HEADERS = xf86drm.h xf86mm.h
EXTRA_DIST = ChangeLog TODO

1196
libdrm/xf86drm.c
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File diff suppressed because it is too large Load Diff

34
libdrm/xf86drm.h
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@ -36,6 +36,8 @@
#ifndef _XF86DRM_H_
#define _XF86DRM_H_
#include <stdarg.h>
#include <sys/types.h>
#include <drm.h>
/* Defaults, if nothing set in xf86config */
@ -61,6 +63,21 @@
typedef unsigned int drmSize, *drmSizePtr; /**< For mapped regions */
typedef void *drmAddress, **drmAddressPtr; /**< For mapped regions */
typedef struct _drmServerInfo {
int (*debug_print)(const char *format, va_list ap);
int (*load_module)(const char *name);
void (*get_perms)(gid_t *, mode_t *);
} drmServerInfo, *drmServerInfoPtr;
typedef struct drmHashEntry {
int fd;
void (*f)(int, void *, void *);
void *tagTable;
} drmHashEntry;
extern void *drmGetHashTable(void);
extern drmHashEntry *drmGetEntry(int fd);
/**
* Driver version information.
*
@ -149,7 +166,8 @@ typedef enum {
DRM_PAGE_ALIGN = 0x01,
DRM_AGP_BUFFER = 0x02,
DRM_SG_BUFFER = 0x04,
DRM_FB_BUFFER = 0x08
DRM_FB_BUFFER = 0x08,
DRM_PCI_BUFFER_RO = 0x10
} drmBufDescFlags;
typedef enum {
@ -252,6 +270,8 @@ typedef struct _drmTextureRegion {
typedef enum {
DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
DRM_VBLANK_SIGNAL = 0x40000000 /* Send signal instead of blocking */
} drmVBlankSeqType;
@ -280,7 +300,6 @@ typedef struct _drmSetVersion {
int drm_dd_minor;
} drmSetVersion, *drmSetVersionPtr;
#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
#define DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
@ -484,6 +503,8 @@ do { register unsigned int __old __asm("o0"); \
} \
} while(0)
/* General user-level programmer's API: unprivileged */
extern int drmAvailable(void);
extern int drmOpen(const char *name, const char *busid);
@ -544,6 +565,9 @@ extern int drmSwitchToContext(int fd, drm_context_t context);
extern int drmDestroyContext(int fd, drm_context_t handle);
extern int drmCreateDrawable(int fd, drm_drawable_t * handle);
extern int drmDestroyDrawable(int fd, drm_drawable_t handle);
extern int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
drm_drawable_info_type_t type,
unsigned int num, void *data);
extern int drmCtlInstHandler(int fd, int irq);
extern int drmCtlUninstHandler(int fd);
@ -597,6 +621,7 @@ extern int drmScatterGatherFree(int fd, drm_handle_t handle);
extern int drmWaitVBlank(int fd, drmVBlankPtr vbl);
/* Support routines */
extern void drmSetServerInfo(drmServerInfoPtr info);
extern int drmError(int err, const char *label);
extern void *drmMalloc(int size);
extern void drmFree(void *pt);
@ -630,4 +655,9 @@ extern int drmSLLookupNeighbors(void *l, unsigned long key,
unsigned long *prev_key, void **prev_value,
unsigned long *next_key, void **next_value);
extern int drmOpenOnce(void *unused, const char *BusID, int *newlyopened);
extern void drmCloseOnce(int fd);
#include "xf86mm.h"
#endif

209
libdrm/xf86mm.h Normal file
View File

@ -0,0 +1,209 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
#ifndef _XF86MM_H_
#define _XF86MM_H_
#include <stddef.h>
#include "drm.h"
/*
* Note on multithreaded applications using this interface.
* Libdrm is not threadsafe, so common buffer, TTM, and fence objects need to
* be protected using an external mutex.
*
* Note: Don't protect the following functions, as it may lead to deadlocks:
* drmBOUnmap(), drmFenceBuffers().
* The kernel is synchronizing and refcounting buffer maps.
* User space only needs to refcount object usage within the same application.
*/
/*
* List macros heavily inspired by the Linux kernel
* list handling. No list looping yet.
*/
typedef struct _drmMMListHead
{
struct _drmMMListHead *prev;
struct _drmMMListHead *next;
} drmMMListHead;
#define DRMINITLISTHEAD(__item) \
do{ \
(__item)->prev = (__item); \
(__item)->next = (__item); \
} while (0)
#define DRMLISTADD(__item, __list) \
do { \
(__item)->prev = (__list); \
(__item)->next = (__list)->next; \
(__list)->next->prev = (__item); \
(__list)->next = (__item); \
} while (0)
#define DRMLISTADDTAIL(__item, __list) \
do { \
(__item)->next = (__list); \
(__item)->prev = (__list)->prev; \
(__list)->prev->next = (__item); \
(__list)->prev = (__item); \
} while(0)
#define DRMLISTDEL(__item) \
do { \
(__item)->prev->next = (__item)->next; \
(__item)->next->prev = (__item)->prev; \
} while(0)
#define DRMLISTDELINIT(__item) \
do { \
(__item)->prev->next = (__item)->next; \
(__item)->next->prev = (__item)->prev; \
(__item)->next = (__item); \
(__item)->prev = (__item); \
} while(0)
#define DRMLISTENTRY(__type, __item, __field) \
((__type *)(((char *) (__item)) - offsetof(__type, __field)))
typedef struct _drmFence{
unsigned handle;
int class;
unsigned type;
unsigned flags;
unsigned signaled;
unsigned pad[4]; /* for future expansion */
} drmFence;
typedef struct _drmBO{
drm_bo_type_t type;
unsigned handle;
drm_u64_t mapHandle;
unsigned flags;
unsigned mask;
unsigned mapFlags;
unsigned long size;
unsigned long offset;
unsigned long start;
unsigned replyFlags;
unsigned fenceFlags;
unsigned pageAlignment;
void *virtual;
void *mapVirtual;
int mapCount;
unsigned pad[8]; /* for future expansion */
} drmBO;
typedef struct _drmBONode {
drmMMListHead head;
drmBO *buf;
drm_bo_arg_t bo_arg;
unsigned long arg0;
unsigned long arg1;
} drmBONode;
typedef struct _drmBOList {
unsigned numTarget;
unsigned numCurrent;
unsigned numOnList;
drmMMListHead list;
drmMMListHead free;
} drmBOList;
/* Fencing */
extern int drmFenceCreate(int fd, unsigned flags, int class,
unsigned type,
drmFence *fence);
extern int drmFenceDestroy(int fd, const drmFence *fence);
extern int drmFenceReference(int fd, unsigned handle, drmFence *fence);
extern int drmFenceUnreference(int fd, const drmFence *fence);
extern int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type);
extern int drmFenceSignaled(int fd, drmFence *fence,
unsigned fenceType, int *signaled);
extern int drmFenceWait(int fd, unsigned flags, drmFence *fence,
unsigned flush_type);
extern int drmFenceEmit(int fd, unsigned flags, drmFence *fence,
unsigned emit_type);
extern int drmFenceBuffers(int fd, unsigned flags, drmFence *fence);
/*
* Buffer object list functions.
*/
extern void drmBOFreeList(drmBOList *list);
extern int drmBOResetList(drmBOList *list);
extern void *drmBOListIterator(drmBOList *list);
extern void *drmBOListNext(drmBOList *list, void *iterator);
extern drmBO *drmBOListBuf(void *iterator);
extern int drmBOCreateList(int numTarget, drmBOList *list);
/*
* Buffer object functions.
*/
extern int drmBOCreate(int fd, unsigned long start, unsigned long size,
unsigned pageAlignment,void *user_buffer,
drm_bo_type_t type, unsigned mask,
unsigned hint, drmBO *buf);
extern int drmBODestroy(int fd, drmBO *buf);
extern int drmBOReference(int fd, unsigned handle, drmBO *buf);
extern int drmBOUnReference(int fd, drmBO *buf);
extern int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
void **address);
extern int drmBOUnmap(int fd, drmBO *buf);
extern int drmBOValidate(int fd, drmBO *buf, unsigned flags, unsigned mask,
unsigned hint);
extern int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle);
extern int drmBOInfo(int fd, drmBO *buf);
extern int drmBOBusy(int fd, drmBO *buf, int *busy);
extern int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags,
unsigned mask,
int *newItem);
extern int drmBOValidateList(int fd, drmBOList *list);
extern int drmBOFenceList(int fd, drmBOList *list, unsigned fenceHandle);
extern int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint);
/*
* Initialization functions.
*/
extern int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
unsigned memType);
extern int drmMMTakedown(int fd, unsigned memType);
extern int drmMMLock(int fd, unsigned memType);
extern int drmMMUnlock(int fd, unsigned memType);
#endif

4
linux-core/Makefile
View File

@ -75,8 +75,8 @@ DRM_MODULES ?= $(MODULE_LIST)
# These definitions are for handling dependencies in the out of kernel build.
DRMSHARED = drm.h drm_sarea.h
DRMHEADERS = drmP.h drm_compat.h drm_os_linux.h $(DRMSHARED)
DRMSHARED = drm.h drm_sarea.h drm_drawable.c
DRMHEADERS = drmP.h drm_compat.h drm_os_linux.h drm.h drm_sarea.h
COREHEADERS = drm_core.h drm_sman.h drm_hashtab.h
TDFXHEADERS = tdfx_drv.h $(DRMHEADERS)

6
linux-core/Makefile.kernel
View File

@ -12,13 +12,15 @@ drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
drm_sysfs.o drm_pci.o drm_agpsupport.o drm_scatter.o \
drm_memory_debug.o ati_pcigart.o drm_sman.o \
drm_hashtab.o drm_mm.o
drm_hashtab.o drm_mm.o drm_object.o drm_compat.o \
drm_fence.o drm_ttm.o drm_bo.o
tdfx-objs := tdfx_drv.o
r128-objs := r128_drv.o r128_cce.o r128_state.o r128_irq.o
mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
i810-objs := i810_drv.o i810_dma.o
i830-objs := i830_drv.o i830_dma.o i830_irq.o
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \
i915_buffer.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o
sis-objs := sis_drv.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o

527
linux-core/drmP.h
View File

@ -41,7 +41,6 @@
* can build the DRM (part of PI DRI). 4/21/2000 S + B */
#include <asm/current.h>
#endif /* __alpha__ */
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
@ -84,6 +83,7 @@
#include <linux/poll.h>
#include <asm/pgalloc.h>
#include "drm.h"
#include <linux/slab.h>
#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
#define __OS_HAS_MTRR (defined(CONFIG_MTRR))
@ -110,6 +110,7 @@
#define DRIVER_IRQ_VBL 0x100
#define DRIVER_DMA_QUEUE 0x200
#define DRIVER_FB_DMA 0x400
#define DRIVER_IRQ_VBL2 0x800
/*@}*/
@ -154,9 +155,18 @@
#define DRM_MEM_CTXLIST 21
#define DRM_MEM_MM 22
#define DRM_MEM_HASHTAB 23
#define DRM_MEM_OBJECTS 24
#define DRM_MEM_FENCE 25
#define DRM_MEM_TTM 26
#define DRM_MEM_BUFOBJ 27
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
#define DRM_MAP_HASH_OFFSET 0x10000000
#define DRM_MAP_HASH_ORDER 12
#define DRM_OBJECT_HASH_ORDER 12
#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1)
#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16)
#define DRM_MM_INIT_MAX_PAGES 256
/*@}*/
@ -298,8 +308,8 @@ typedef struct drm_devstate {
} drm_devstate_t;
typedef struct drm_magic_entry {
drm_hash_item_t hash_item;
struct list_head head;
drm_hash_item_t hash_item;
struct list_head head;
struct drm_file *priv;
} drm_magic_entry_t;
@ -387,6 +397,19 @@ typedef struct drm_buf_entry {
drm_freelist_t freelist;
} drm_buf_entry_t;
/*
* This should be small enough to allow the use of kmalloc for hash tables
* instead of vmalloc.
*/
#define DRM_FILE_HASH_ORDER 8
typedef enum{
_DRM_REF_USE=0,
_DRM_REF_TYPE1,
_DRM_NO_REF_TYPES
} drm_ref_t;
/** File private data */
typedef struct drm_file {
int authenticated;
@ -401,6 +424,18 @@ typedef struct drm_file {
struct drm_head *head;
int remove_auth_on_close;
unsigned long lock_count;
/*
* The user object hash table is global and resides in the
* drm_device structure. We protect the lists and hash tables with the
* device struct_mutex. A bit coarse-grained but probably the best
* option.
*/
struct list_head refd_objects;
struct list_head user_objects;
drm_open_hash_t refd_object_hash[_DRM_NO_REF_TYPES];
void *driver_priv;
} drm_file_t;
@ -448,7 +483,8 @@ typedef struct drm_device_dma {
enum {
_DRM_DMA_USE_AGP = 0x01,
_DRM_DMA_USE_SG = 0x02,
_DRM_DMA_USE_FB = 0x04
_DRM_DMA_USE_FB = 0x04,
_DRM_DMA_USE_PCI_RO = 0x08
} flags;
} drm_device_dma_t;
@ -501,14 +537,35 @@ typedef struct drm_sigdata {
drm_hw_lock_t *lock;
} drm_sigdata_t;
/*
* Generic memory manager structs
*/
typedef struct drm_mm_node {
struct list_head fl_entry;
struct list_head ml_entry;
int free;
unsigned long start;
unsigned long size;
struct drm_mm *mm;
void *private;
} drm_mm_node_t;
typedef struct drm_mm {
drm_mm_node_t root_node;
} drm_mm_t;
/**
* Mappings list
*/
typedef struct drm_map_list {
struct list_head head; /**< list head */
drm_hash_item_t hash;
drm_hash_item_t hash;
drm_map_t *map; /**< mapping */
unsigned int user_token;
drm_u64_t user_token;
drm_mm_node_t *file_offset_node;
} drm_map_list_t;
typedef drm_map_t drm_local_map_t;
@ -541,22 +598,77 @@ typedef struct ati_pcigart_info {
drm_local_map_t mapping;
} drm_ati_pcigart_info;
/*
* Generic memory manager structs
/*
* User space objects and their references.
*/
typedef struct drm_mm_node {
struct list_head fl_entry;
struct list_head ml_entry;
int free;
unsigned long start;
unsigned long size;
void *private;
} drm_mm_node_t;
#define drm_user_object_entry(_ptr, _type, _member) container_of(_ptr, _type, _member)
typedef struct drm_mm {
drm_mm_node_t root_node;
} drm_mm_t;
typedef enum {
drm_fence_type,
drm_buffer_type,
drm_ttm_type
/*
* Add other user space object types here.
*/
} drm_object_type_t;
/*
* A user object is a structure that helps the drm give out user handles
* to kernel internal objects and to keep track of these objects so that
* they can be destroyed, for example when the user space process exits.
* Designed to be accessible using a user space 32-bit handle.
*/
typedef struct drm_user_object{
drm_hash_item_t hash;
struct list_head list;
drm_object_type_t type;
atomic_t refcount;
int shareable;
drm_file_t *owner;
void (*ref_struct_locked) (drm_file_t *priv, struct drm_user_object *obj,
drm_ref_t ref_action);
void (*unref)(drm_file_t *priv, struct drm_user_object *obj,
drm_ref_t unref_action);
void (*remove)(drm_file_t *priv, struct drm_user_object *obj);
} drm_user_object_t;
/*
* A ref object is a structure which is used to
* keep track of references to user objects and to keep track of these
* references so that they can be destroyed for example when the user space
* process exits. Designed to be accessible using a pointer to the _user_ object.
*/
typedef struct drm_ref_object {
drm_hash_item_t hash;
struct list_head list;
atomic_t refcount;
drm_ref_t unref_action;
} drm_ref_object_t;
#include "drm_ttm.h"
/*
* buffer object driver
*/
typedef struct drm_bo_driver{
int cached[DRM_BO_MEM_TYPES];
drm_local_map_t *iomap[DRM_BO_MEM_TYPES];
drm_ttm_backend_t *(*create_ttm_backend_entry)
(struct drm_device *dev);
int (*fence_type)(uint32_t flags, uint32_t *class, uint32_t *type);
int (*invalidate_caches)(struct drm_device *dev, uint32_t flags);
} drm_bo_driver_t;
/**
@ -564,6 +676,7 @@ typedef struct drm_mm {
* a family of cards. There will one drm_device for each card present
* in this family
*/
struct drm_device;
struct drm_driver {
int (*load) (struct drm_device *, unsigned long flags);
@ -582,6 +695,7 @@ struct drm_driver {
int new);
void (*kernel_context_switch_unlock) (struct drm_device * dev);
int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence);
int (*dri_library_name) (struct drm_device * dev, char * buf);
/**
@ -609,6 +723,9 @@ struct drm_driver {
unsigned long (*get_reg_ofs) (struct drm_device * dev);
void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
struct drm_fence_driver *fence_driver;
struct drm_bo_driver *bo_driver;
int major;
int minor;
int patchlevel;
@ -638,6 +755,71 @@ typedef struct drm_head {
struct class_device *dev_class;
} drm_head_t;
typedef struct drm_cache {
/*
* Memory caches
*/
kmem_cache_t *mm;
kmem_cache_t *fence_object;
} drm_cache_t;
typedef struct drm_fence_driver{
int no_types;
uint32_t wrap_diff;
uint32_t flush_diff;
uint32_t sequence_mask;
int lazy_capable;
int (*emit) (struct drm_device *dev, uint32_t flags,
uint32_t *breadcrumb,
uint32_t *native_type);
void (*poke_flush) (struct drm_device *dev);
} drm_fence_driver_t;
#define _DRM_FENCE_TYPE_EXE 0x00
typedef struct drm_fence_manager{
int initialized;
rwlock_t lock;
/*
* The list below should be maintained in sequence order and
* access is protected by the above spinlock.
*/
struct list_head ring;
struct list_head *fence_types[32];
volatile uint32_t pending_flush;
wait_queue_head_t fence_queue;
int pending_exe_flush;
uint32_t last_exe_flush;
uint32_t exe_flush_sequence;
atomic_t count;
} drm_fence_manager_t;
typedef struct drm_buffer_manager{
struct mutex init_mutex;
int nice_mode;
int initialized;
drm_file_t *last_to_validate;
int has_type[DRM_BO_MEM_TYPES];
int use_type[DRM_BO_MEM_TYPES];
drm_mm_t manager[DRM_BO_MEM_TYPES];
struct list_head lru[DRM_BO_MEM_TYPES];
struct list_head pinned[DRM_BO_MEM_TYPES];
struct list_head unfenced;
struct list_head ddestroy;
struct work_struct wq;
uint32_t fence_type;
unsigned long cur_pages;
atomic_t count;
} drm_buffer_manager_t;
/**
* DRM device structure. This structure represent a complete card that
* may contain multiple heads.
@ -676,8 +858,8 @@ typedef struct drm_device {
/*@{ */
drm_file_t *file_first; /**< file list head */
drm_file_t *file_last; /**< file list tail */
drm_open_hash_t magiclist;
struct list_head magicfree;
drm_open_hash_t magiclist;
struct list_head magicfree;
/*@} */
/** \name Memory management */
@ -685,6 +867,10 @@ typedef struct drm_device {
drm_map_list_t *maplist; /**< Linked list of regions */
int map_count; /**< Number of mappable regions */
drm_open_hash_t map_hash; /**< User token hash table for maps */
drm_mm_t offset_manager; /**< User token manager */
drm_open_hash_t object_hash; /**< User token hash table for objects */
struct address_space *dev_mapping; /**< For unmap_mapping_range() */
struct page *ttm_dummy_page;
/** \name Context handle management */
/*@{ */
@ -732,9 +918,13 @@ typedef struct drm_device {
wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
atomic_t vbl_received;
atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
spinlock_t vbl_lock;
drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */
drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */
unsigned int vbl_pending;
spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
void (*locked_tasklet_func)(struct drm_device *dev);
/*@} */
cycles_t ctx_start;
@ -747,10 +937,8 @@ typedef struct drm_device {
drm_agp_head_t *agp; /**< AGP data */
struct pci_dev *pdev; /**< PCI device structure */
int pci_domain; /**< PCI bus domain number */
int pci_bus; /**< PCI bus number */
int pci_slot; /**< PCI slot number */
int pci_func; /**< PCI function number */
int pci_vendor; /**< PCI vendor id */
int pci_device; /**< PCI device id */
#ifdef __alpha__
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
struct pci_controler *hose;
@ -768,14 +956,101 @@ typedef struct drm_device {
drm_local_map_t *agp_buffer_map;
unsigned int agp_buffer_token;
drm_head_t primary; /**< primary screen head */
drm_fence_manager_t fm;
drm_buffer_manager_t bm;
/** \name Drawable information */
/*@{ */
spinlock_t drw_lock;
unsigned int drw_bitfield_length;
u32 *drw_bitfield;
unsigned int drw_info_length;
drm_drawable_info_t **drw_info;
/*@} */
} drm_device_t;
#if __OS_HAS_AGP
typedef struct drm_agp_ttm_priv {
DRM_AGP_MEM *mem;
struct agp_bridge_data *bridge;
unsigned alloc_type;
unsigned cached_type;
unsigned uncached_type;
int populated;
} drm_agp_ttm_priv;
#endif
typedef struct drm_fence_object{
drm_user_object_t base;
atomic_t usage;
/*
* The below three fields are protected by the fence manager spinlock.
*/
struct list_head ring;
int class;
uint32_t native_type;
uint32_t type;
uint32_t signaled;
uint32_t sequence;
uint32_t flush_mask;
uint32_t submitted_flush;
} drm_fence_object_t;
typedef struct drm_buffer_object{
drm_device_t *dev;
drm_user_object_t base;
/*
* If there is a possibility that the usage variable is zero,
* then dev->struct_mutext should be locked before incrementing it.
*/
atomic_t usage;
drm_ttm_object_t *ttm_object;
drm_ttm_t *ttm;
unsigned long num_pages;
unsigned long buffer_start;
drm_bo_type_t type;
unsigned long offset;
uint32_t page_alignment;
atomic_t mapped;
uint32_t flags;
uint32_t mask;
drm_mm_node_t *node_ttm; /* MM node for on-card RAM */
drm_mm_node_t *node_card; /* MM node for ttm*/
struct list_head lru_ttm; /* LRU for the ttm pages*/
struct list_head lru_card; /* For memory types with on-card RAM */
struct list_head ddestroy;
uint32_t fence_type;
uint32_t fence_class;
drm_fence_object_t *fence;
uint32_t priv_flags;
wait_queue_head_t event_queue;
struct mutex mutex;
} drm_buffer_object_t;
#define _DRM_BO_FLAG_UNFENCED 0x00000001
#define _DRM_BO_FLAG_EVICTED 0x00000002
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{
return ((dev->driver->driver_features & feature) ? 1 : 0);
}
#ifdef __alpha__
#define drm_get_pci_domain(dev) dev->hose->bus->number
#else
#define drm_get_pci_domain(dev) 0
#endif
#if __OS_HAS_AGP
static inline int drm_core_has_AGP(struct drm_device *dev)
{
@ -806,9 +1081,22 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
}
#else
static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
unsigned int flags)
{
return -ENODEV;
}
static inline int drm_mtrr_del(int handle, unsigned long offset,
unsigned long size, unsigned int flags)
{
return -ENODEV;
}
#define drm_core_has_MTRR(dev) (0)
#endif
/******************************************************************/
/** \name Internal function definitions */
/*@{*/
@ -837,6 +1125,7 @@ unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
extern unsigned long drm_core_get_map_ofs(drm_map_t * map);
extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);
extern pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma);
/* Memory management support (drm_memory.h) */
#include "drm_memory.h"
@ -852,6 +1141,14 @@ extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
extern int drm_unbind_agp(DRM_AGP_MEM * handle);
extern void drm_free_memctl(size_t size);
extern int drm_alloc_memctl(size_t size);
extern void drm_query_memctl(drm_u64_t *cur_used,
drm_u64_t *low_threshold,
drm_u64_t *high_threshold);
extern void drm_init_memctl(size_t low_threshold,
size_t high_threshold);
/* Misc. IOCTL support (drm_ioctl.h) */
extern int drm_irq_by_busid(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
@ -900,6 +1197,10 @@ extern int drm_adddraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_rmdraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_update_drawable_info(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev,
drm_drawable_t id);
/* Authentication IOCTL support (drm_auth.h) */
extern int drm_getmagic(struct inode *inode, struct file *filp,
@ -915,6 +1216,13 @@ extern int drm_unlock(struct inode *inode, struct file *filp,
extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context);
extern int drm_lock_free(drm_device_t * dev,
__volatile__ unsigned int *lock, unsigned int context);
/*
* These are exported to drivers so that they can implement fencing using
* DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
*/
extern int drm_i_have_hw_lock(struct file *filp);
extern int drm_kernel_take_hw_lock(struct file *filp);
/* Buffer management support (drm_bufs.h) */
extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
@ -964,6 +1272,7 @@ extern int drm_wait_vblank(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq);
extern void drm_vbl_send_signals(drm_device_t * dev);
extern void drm_locked_tasklet(drm_device_t *dev, void(*func)(drm_device_t*));
/* AGP/GART support (drm_agpsupport.h) */
extern drm_agp_head_t *drm_agp_init(drm_device_t *dev);
@ -999,7 +1308,8 @@ extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size
extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev,
drm_ttm_backend_t *backend);
/* Stub support (drm_stub.h) */
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
@ -1008,6 +1318,7 @@ extern int drm_put_head(drm_head_t * head);
extern unsigned int drm_debug; /* 1 to enable debug output */
extern unsigned int drm_cards_limit;
extern drm_head_t **drm_heads;
extern drm_cache_t drm_cache;
extern struct drm_sysfs_class *drm_class;
extern struct proc_dir_entry *drm_proc_root;
@ -1051,11 +1362,121 @@ extern void drm_sysfs_device_remove(struct class_device *class_dev);
extern drm_mm_node_t * drm_mm_get_block(drm_mm_node_t * parent, unsigned long size,
unsigned alignment);
extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur);
extern void drm_mm_put_block(drm_mm_node_t *cur);
extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size,
unsigned alignment, int best_match);
extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size);
extern void drm_mm_takedown(drm_mm_t *mm);
extern int drm_mm_clean(drm_mm_t *mm);
extern unsigned long drm_mm_tail_space(drm_mm_t *mm);
extern int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size);
extern int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size);
static inline drm_mm_t *drm_get_mm(drm_mm_node_t *block)
{
return block->mm;
}
/*
* User space object bookkeeping (drm_object.c)
*/
/*
* Must be called with the struct_mutex held.
*/
extern int drm_add_user_object(drm_file_t *priv, drm_user_object_t *item,
/*
* Must be called with the struct_mutex held.
*/
int shareable);
extern drm_user_object_t *drm_lookup_user_object(drm_file_t *priv, uint32_t key);
/*
* Must be called with the struct_mutex held.
* If "item" has been obtained by a call to drm_lookup_user_object. You may not
* release the struct_mutex before calling drm_remove_ref_object.
* This function may temporarily release the struct_mutex.
*/
extern int drm_remove_user_object(drm_file_t *priv, drm_user_object_t *item);
/*
* Must be called with the struct_mutex held. May temporarily release it.
*/
extern int drm_add_ref_object(drm_file_t *priv, drm_user_object_t *referenced_object,
drm_ref_t ref_action);
/*
* Must be called with the struct_mutex held.
*/
drm_ref_object_t *drm_lookup_ref_object(drm_file_t *priv,
drm_user_object_t *referenced_object,
drm_ref_t ref_action);
/*
* Must be called with the struct_mutex held.
* If "item" has been obtained by a call to drm_lookup_ref_object. You may not
* release the struct_mutex before calling drm_remove_ref_object.
* This function may temporarily release the struct_mutex.
*/
extern void drm_remove_ref_object(drm_file_t *priv, drm_ref_object_t *item);
extern int drm_user_object_ref(drm_file_t *priv, uint32_t user_token, drm_object_type_t type,
drm_user_object_t **object);
extern int drm_user_object_unref(drm_file_t *priv, uint32_t user_token, drm_object_type_t type);
/*
* fence objects (drm_fence.c)
*/
extern void drm_fence_handler(drm_device_t *dev, uint32_t breadcrumb, uint32_t type);
extern void drm_fence_manager_init(drm_device_t *dev);
extern void drm_fence_manager_takedown(drm_device_t *dev);
extern void drm_fence_flush_old(drm_device_t *dev, uint32_t sequence);
extern int drm_fence_object_flush(drm_device_t * dev,
volatile drm_fence_object_t * fence,
uint32_t type);
extern int drm_fence_object_signaled(volatile drm_fence_object_t * fence,
uint32_t type);
extern void drm_fence_usage_deref_locked(drm_device_t * dev,
drm_fence_object_t * fence);
extern void drm_fence_usage_deref_unlocked(drm_device_t * dev,
drm_fence_object_t * fence);
extern int drm_fence_object_wait(drm_device_t * dev,
volatile drm_fence_object_t * fence,
int lazy, int ignore_signals, uint32_t mask);
extern int drm_fence_object_create(drm_device_t *dev, uint32_t type,
uint32_t fence_flags,
drm_fence_object_t **c_fence);
extern int drm_fence_add_user_object(drm_file_t *priv,
drm_fence_object_t *fence,
int shareable);
extern int drm_fence_ioctl(DRM_IOCTL_ARGS);
/*
* buffer objects (drm_bo.c)
*/
extern int drm_bo_ioctl(DRM_IOCTL_ARGS);
extern int drm_mm_init_ioctl(DRM_IOCTL_ARGS);
extern int drm_bo_driver_finish(drm_device_t *dev);
extern int drm_bo_driver_init(drm_device_t *dev);
extern int drm_fence_buffer_objects(drm_file_t * priv,
struct list_head *list,
uint32_t fence_flags,
drm_fence_object_t *fence,
drm_fence_object_t **used_fence);
/* Inline replacements for DRM_IOREMAP macros */
@ -1127,6 +1548,58 @@ extern void *drm_alloc(size_t size, int area);
extern void drm_free(void *pt, size_t size, int area);
#endif
/*
* Accounting variants of standard calls.
*/
static inline void *drm_ctl_alloc(size_t size, int area)
{
void *ret;
if (drm_alloc_memctl(size))
return NULL;
ret = drm_alloc(size, area);
if (!ret)
drm_free_memctl(size);
return ret;
}
static inline void *drm_ctl_calloc(size_t nmemb, size_t size, int area)
{
void *ret;
if (drm_alloc_memctl(nmemb*size))
return NULL;
ret = drm_calloc(nmemb, size, area);
if (!ret)
drm_free_memctl(nmemb*size);
return ret;
}
static inline void drm_ctl_free(void *pt, size_t size, int area)
{
drm_free(pt, size, area);
drm_free_memctl(size);
}
static inline void *drm_ctl_cache_alloc(kmem_cache_t *cache, size_t size,
int flags)
{
void *ret;
if (drm_alloc_memctl(size))
return NULL;
ret = kmem_cache_alloc(cache, flags);
if (!ret)
drm_free_memctl(size);
return ret;
}
static inline void drm_ctl_cache_free(kmem_cache_t *cache, size_t size,
void *obj)
{
kmem_cache_free(cache, obj);
drm_free_memctl(size);
}
/*@}*/
#endif /* __KERNEL__ */

158
linux-core/drm_agpsupport.c
View File

@ -552,4 +552,162 @@ int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
return agp_unbind_memory(handle);
}
/*
* AGP ttm backend interface.
*/
#ifndef AGP_USER_TYPES
#define AGP_USER_TYPES (1 << 16)
#define AGP_USER_MEMORY (AGP_USER_TYPES)
#define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES + 1)
#endif
static int drm_agp_needs_unbind_cache_adjust(drm_ttm_backend_t *backend) {
return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1);
}
static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages,
struct page **pages) {
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
struct page **cur_page, **last_page = pages + num_pages;
DRM_AGP_MEM *mem;
if (drm_alloc_memctl(num_pages * sizeof(void *)))
return -1;
DRM_DEBUG("drm_agp_populate_ttm\n");
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
mem = drm_agp_allocate_memory(num_pages, agp_priv->alloc_type);
#else
mem = drm_agp_allocate_memory(agp_priv->bridge, num_pages, agp_priv->alloc_type);
#endif
if (!mem) {
drm_free_memctl(num_pages *sizeof(void *));
return -1;
}
DRM_DEBUG("Current page count is %ld\n", (long) mem->page_count);
mem->page_count = 0;
for (cur_page = pages; cur_page < last_page; ++cur_page) {
mem->memory[mem->page_count++] = phys_to_gart(page_to_phys(*cur_page));
}
agp_priv->mem = mem;
return 0;
}
static int drm_agp_bind_ttm(drm_ttm_backend_t *backend,
unsigned long offset,
int cached)
{
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
DRM_AGP_MEM *mem = agp_priv->mem;
int ret;
DRM_DEBUG("drm_agp_bind_ttm\n");
DRM_MASK_VAL(backend->flags, DRM_BE_FLAG_BOUND_CACHED,
(cached) ? DRM_BE_FLAG_BOUND_CACHED : 0);
mem->is_flushed = TRUE;
mem->type = (cached) ? agp_priv->cached_type : agp_priv->uncached_type;
ret = drm_agp_bind_memory(mem, offset);
if (ret) {
DRM_ERROR("AGP Bind memory failed\n");
}
return ret;
}
static int drm_agp_unbind_ttm(drm_ttm_backend_t *backend) {
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
DRM_DEBUG("drm_agp_unbind_ttm\n");
if (agp_priv->mem->is_bound)
return drm_agp_unbind_memory(agp_priv->mem);
else
return 0;
}
static void drm_agp_clear_ttm(drm_ttm_backend_t *backend) {
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
DRM_AGP_MEM *mem = agp_priv->mem;
DRM_DEBUG("drm_agp_clear_ttm\n");
if (mem) {
unsigned long num_pages = mem->page_count;
backend->unbind(backend);
agp_free_memory(mem);
drm_free_memctl(num_pages *sizeof(void *));
}
agp_priv->mem = NULL;
}
static void drm_agp_destroy_ttm(drm_ttm_backend_t *backend) {
drm_agp_ttm_priv *agp_priv;
if (backend) {
DRM_DEBUG("drm_agp_destroy_ttm\n");
agp_priv = (drm_agp_ttm_priv *) backend->private;
if (agp_priv) {
if (agp_priv->mem) {
backend->clear(backend);
}
drm_ctl_free(agp_priv, sizeof(*agp_priv), DRM_MEM_MAPPINGS);
backend->private = NULL;
}
if (backend->flags & DRM_BE_FLAG_NEEDS_FREE) {
drm_ctl_free(backend, sizeof(*backend), DRM_MEM_MAPPINGS);
}
}
}
drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev,
drm_ttm_backend_t *backend)
{
drm_ttm_backend_t *agp_be;
drm_agp_ttm_priv *agp_priv;
agp_be = (backend != NULL) ? backend:
drm_ctl_calloc(1, sizeof(*agp_be), DRM_MEM_MAPPINGS);
if (!agp_be)
return NULL;
agp_priv = drm_ctl_calloc(1, sizeof(*agp_priv), DRM_MEM_MAPPINGS);
if (!agp_priv) {
drm_ctl_free(agp_be, sizeof(*agp_be), DRM_MEM_MAPPINGS);
return NULL;
}
agp_priv->mem = NULL;
agp_priv->alloc_type = AGP_USER_MEMORY;
agp_priv->cached_type = AGP_USER_CACHED_MEMORY;
agp_priv->uncached_type = AGP_USER_MEMORY;
agp_priv->bridge = dev->agp->bridge;
agp_priv->populated = FALSE;
agp_be->aperture_base = dev->agp->agp_info.aper_base;
agp_be->private = (void *) agp_priv;
agp_be->needs_ub_cache_adjust = drm_agp_needs_unbind_cache_adjust;
agp_be->populate = drm_agp_populate;
agp_be->clear = drm_agp_clear_ttm;
agp_be->bind = drm_agp_bind_ttm;
agp_be->unbind = drm_agp_unbind_ttm;
agp_be->destroy = drm_agp_destroy_ttm;
DRM_MASK_VAL(agp_be->flags, DRM_BE_FLAG_NEEDS_FREE,
(backend == NULL) ? DRM_BE_FLAG_NEEDS_FREE : 0);
DRM_MASK_VAL(agp_be->flags, DRM_BE_FLAG_CBA,
(dev->agp->cant_use_aperture) ? DRM_BE_FLAG_CBA : 0);
agp_be->drm_map_type = _DRM_AGP;
return agp_be;
}
EXPORT_SYMBOL(drm_agp_init_ttm);
#endif /* __OS_HAS_AGP */

1998
linux-core/drm_bo.c Normal file
View File

File diff suppressed because it is too large Load Diff

47
linux-core/drm_bufs.c
View File

@ -65,8 +65,8 @@ static drm_map_list_t *drm_find_matching_map(drm_device_t *dev,
return NULL;
}
int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash,
unsigned long user_token, int hashed_handle)
static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash,
unsigned long user_token, int hashed_handle)
{
int use_hashed_handle;
@ -78,14 +78,16 @@ int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash,
#error Unsupported long size. Neither 64 nor 32 bits.
#endif
if (use_hashed_handle) {
return drm_ht_just_insert_please(&dev->map_hash, hash,
user_token, 32 - PAGE_SHIFT - 3,
PAGE_SHIFT, DRM_MAP_HASH_OFFSET);
} else {
hash->key = user_token;
return drm_ht_insert_item(&dev->map_hash, hash);
if (!use_hashed_handle) {
int ret;
hash->key = user_token >> PAGE_SHIFT;
ret = drm_ht_insert_item(&dev->map_hash, hash);
if (ret != -EINVAL)
return ret;
}
return drm_ht_just_insert_please(&dev->map_hash, hash,
user_token, 32 - PAGE_SHIFT - 3,
0, DRM_MAP_HASH_OFFSET >> PAGE_SHIFT);
}
/**
@ -290,16 +292,16 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
user_token = (map->type == _DRM_SHM) ? (unsigned long) map->handle :
map->offset;
ret = drm_map_handle(dev, &list->hash, user_token, 0);
ret = drm_map_handle(dev, &list->hash, user_token, 0);
if (ret) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
drm_free(list, sizeof(*list), DRM_MEM_MAPS);
mutex_unlock(&dev->struct_mutex);
return ret;
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
drm_free(list, sizeof(*list), DRM_MEM_MAPS);
mutex_unlock(&dev->struct_mutex);
return ret;
}
list->user_token = list->hash.key;
list->user_token = list->hash.key << PAGE_SHIFT;
mutex_unlock(&dev->struct_mutex);
*maplist = list;
@ -384,7 +386,8 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
if (r_list->map == map) {
list_del(list);
drm_ht_remove_key(&dev->map_hash, r_list->user_token);
drm_ht_remove_key(&dev->map_hash,
r_list->user_token >> PAGE_SHIFT);
drm_free(list, sizeof(*list), DRM_MEM_MAPS);
break;
}
@ -420,6 +423,8 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
dmah.size = map->size;
__drm_pci_free(dev, &dmah);
break;
case _DRM_TTM:
BUG_ON(1);
}
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
@ -940,6 +945,9 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
request->count = entry->buf_count;
request->size = size;
if (request->flags & _DRM_PCI_BUFFER_RO)
dma->flags = _DRM_DMA_USE_PCI_RO;
atomic_dec(&dev->buf_alloc);
return 0;
@ -1526,9 +1534,10 @@ int drm_freebufs(struct inode *inode, struct file *filp,
* \param arg pointer to a drm_buf_map structure.
* \return zero on success or a negative number on failure.
*
* Maps the AGP or SG buffer region with do_mmap(), and copies information
* about each buffer into user space. The PCI buffers are already mapped on the
* addbufs_pci() call.
* Maps the AGP, SG or PCI buffer region with do_mmap(), and copies information
* about each buffer into user space. For PCI buffers, it calls do_mmap() with
* offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls
* drm_mmap_dma().
*/
int drm_mapbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)

434
linux-core/drm_compat.c Normal file
View File

@ -0,0 +1,434 @@
/**************************************************************************
*
* This kernel module is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
**************************************************************************/
/*
* This code provides access to unexported mm kernel features. It is necessary
* to use the new DRM memory manager code with kernels that don't support it
* directly.
*
* Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
* Linux kernel mm subsystem authors.
* (Most code taken from there).
*/
#include "drmP.h"
#if defined(CONFIG_X86) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
/*
* These have bad performance in the AGP module for the indicated kernel versions.
*/
int drm_map_page_into_agp(struct page *page)
{
int i;
i = change_page_attr(page, 1, PAGE_KERNEL_NOCACHE);
/* Caller's responsibility to call global_flush_tlb() for
* performance reasons */
return i;
}
int drm_unmap_page_from_agp(struct page *page)
{
int i;
i = change_page_attr(page, 1, PAGE_KERNEL);
/* Caller's responsibility to call global_flush_tlb() for
* performance reasons */
return i;
}
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
/*
* The protection map was exported in 2.6.19
*/
pgprot_t vm_get_page_prot(unsigned long vm_flags)
{
#ifdef MODULE
static pgprot_t drm_protection_map[16] = {
__P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111,
__S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111
};
return drm_protection_map[vm_flags & 0x0F];
#else
extern pgprot_t protection_map[];
return protection_map[vm_flags & 0x0F];
#endif
};
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
/*
* vm code for kernels below 2,6,15 in which version a major vm write
* occured. This implement a simple straightforward
* version similar to what's going to be
* in kernel 2.6.20+?
*/
static int drm_pte_is_clear(struct vm_area_struct *vma,
unsigned long addr)
{
struct mm_struct *mm = vma->vm_mm;
int ret = 1;
pte_t *pte;
pmd_t *pmd;
pud_t *pud;
pgd_t *pgd;
spin_lock(&mm->page_table_lock);
pgd = pgd_offset(mm, addr);
if (pgd_none(*pgd))
goto unlock;
pud = pud_offset(pgd, addr);
if (pud_none(*pud))
goto unlock;
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd))
goto unlock;
pte = pte_offset_map(pmd, addr);
if (!pte)
goto unlock;
ret = pte_none(*pte);
pte_unmap(pte);
unlock:
spin_unlock(&mm->page_table_lock);
return ret;
}
int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn, pgprot_t pgprot)
{
int ret;
if (!drm_pte_is_clear(vma, addr))
return -EBUSY;
ret = io_remap_pfn_range(vma, addr, pfn, PAGE_SIZE, pgprot);
return ret;
}
static struct {
spinlock_t lock;
struct page *dummy_page;
atomic_t present;
} drm_np_retry =
{SPIN_LOCK_UNLOCKED, NOPAGE_OOM, ATOMIC_INIT(0)};
struct page * get_nopage_retry(void)
{
if (atomic_read(&drm_np_retry.present) == 0) {
struct page *page = alloc_page(GFP_KERNEL);
if (!page)
return NOPAGE_OOM;
spin_lock(&drm_np_retry.lock);
drm_np_retry.dummy_page = page;
atomic_set(&drm_np_retry.present,1);
spin_unlock(&drm_np_retry.lock);
}
get_page(drm_np_retry.dummy_page);
return drm_np_retry.dummy_page;
}
void free_nopage_retry(void)
{
if (atomic_read(&drm_np_retry.present) == 1) {
spin_lock(&drm_np_retry.lock);
__free_page(drm_np_retry.dummy_page);
drm_np_retry.dummy_page = NULL;
atomic_set(&drm_np_retry.present, 0);
spin_unlock(&drm_np_retry.lock);
}
}
struct page *drm_vm_ttm_nopage(struct vm_area_struct *vma,
unsigned long address,
int *type)
{
struct fault_data data;
if (type)
*type = VM_FAULT_MINOR;
data.address = address;
data.vma = vma;
drm_vm_ttm_fault(vma, &data);
switch (data.type) {
case VM_FAULT_OOM:
return NOPAGE_OOM;
case VM_FAULT_SIGBUS:
return NOPAGE_SIGBUS;
default:
break;
}
return NOPAGE_REFAULT;
}
#endif
#ifdef DRM_ODD_MM_COMPAT
/*
* VM compatibility code for 2.6.15-2.6.19(?). This code implements a complicated
* workaround for a single BUG statement in do_no_page in these versions. The
* tricky thing is that we need to take the mmap_sem in exclusive mode for _all_
* vmas mapping the ttm, before dev->struct_mutex is taken. The way we do this is to
* check first take the dev->struct_mutex, and then trylock all mmap_sems. If this
* fails for a single mmap_sem, we have to release all sems and the dev->struct_mutex,
* release the cpu and retry. We also need to keep track of all vmas mapping the ttm.
* phew.
*/
typedef struct p_mm_entry {
struct list_head head;
struct mm_struct *mm;
atomic_t refcount;
int locked;
} p_mm_entry_t;
typedef struct vma_entry {
struct list_head head;
struct vm_area_struct *vma;
} vma_entry_t;
struct page *drm_vm_ttm_nopage(struct vm_area_struct *vma,
unsigned long address,
int *type)
{
drm_local_map_t *map = (drm_local_map_t *) vma->vm_private_data;
unsigned long page_offset;
struct page *page;
drm_ttm_t *ttm;
drm_buffer_manager_t *bm;
drm_device_t *dev;
/*
* FIXME: Check can't map aperture flag.
*/
if (type)
*type = VM_FAULT_MINOR;
if (!map)
return NOPAGE_OOM;
if (address > vma->vm_end)
return NOPAGE_SIGBUS;
ttm = (drm_ttm_t *) map->offset;
dev = ttm->dev;
mutex_lock(&dev->struct_mutex);
drm_fixup_ttm_caching(ttm);
BUG_ON(ttm->page_flags & DRM_TTM_PAGE_UNCACHED);
bm = &dev->bm;
page_offset = (address - vma->vm_start) >> PAGE_SHIFT;
page = ttm->pages[page_offset];
if (!page) {
if (drm_alloc_memctl(PAGE_SIZE)) {
page = NOPAGE_OOM;
goto out;
}
page = ttm->pages[page_offset] = drm_alloc_gatt_pages(0);
if (!page) {
drm_free_memctl(PAGE_SIZE);
page = NOPAGE_OOM;
goto out;
}
++bm->cur_pages;
SetPageLocked(page);
}
get_page(page);
out:
mutex_unlock(&dev->struct_mutex);
return page;
}
int drm_ttm_map_bound(struct vm_area_struct *vma)
{
drm_local_map_t *map = (drm_local_map_t *)vma->vm_private_data;
drm_ttm_t *ttm = (drm_ttm_t *) map->offset;
int ret = 0;
if (ttm->page_flags & DRM_TTM_PAGE_UNCACHED) {
unsigned long pfn = ttm->aper_offset +
(ttm->be->aperture_base >> PAGE_SHIFT);
pgprot_t pgprot = drm_io_prot(ttm->be->drm_map_type, vma);
ret = io_remap_pfn_range(vma, vma->vm_start, pfn,
vma->vm_end - vma->vm_start,
pgprot);
}
return ret;
}
int drm_ttm_add_vma(drm_ttm_t * ttm, struct vm_area_struct *vma)
{
p_mm_entry_t *entry, *n_entry;
vma_entry_t *v_entry;
drm_local_map_t *map = (drm_local_map_t *)
vma->vm_private_data;
struct mm_struct *mm = vma->vm_mm;
v_entry = drm_ctl_alloc(sizeof(*v_entry), DRM_MEM_TTM);
if (!v_entry) {
DRM_ERROR("Allocation of vma pointer entry failed\n");
return -ENOMEM;
}
v_entry->vma = vma;
map->handle = (void *) v_entry;
list_add_tail(&v_entry->head, &ttm->vma_list);
list_for_each_entry(entry, &ttm->p_mm_list, head) {
if (mm == entry->mm) {
atomic_inc(&entry->refcount);
return 0;
} else if ((unsigned long)mm < (unsigned long)entry->mm) ;
}
n_entry = drm_ctl_alloc(sizeof(*n_entry), DRM_MEM_TTM);
if (!n_entry) {
DRM_ERROR("Allocation of process mm pointer entry failed\n");
return -ENOMEM;
}
INIT_LIST_HEAD(&n_entry->head);
n_entry->mm = mm;
n_entry->locked = 0;
atomic_set(&n_entry->refcount, 0);
list_add_tail(&n_entry->head, &entry->head);
return 0;
}
void drm_ttm_delete_vma(drm_ttm_t * ttm, struct vm_area_struct *vma)
{
p_mm_entry_t *entry, *n;
vma_entry_t *v_entry, *v_n;
int found = 0;
struct mm_struct *mm = vma->vm_mm;
list_for_each_entry_safe(v_entry, v_n, &ttm->vma_list, head) {
if (v_entry->vma == vma) {
found = 1;
list_del(&v_entry->head);
drm_ctl_free(v_entry, sizeof(*v_entry), DRM_MEM_TTM);
break;
}
}
BUG_ON(!found);
list_for_each_entry_safe(entry, n, &ttm->p_mm_list, head) {
if (mm == entry->mm) {
if (atomic_add_negative(-1, &entry->refcount)) {
list_del(&entry->head);
BUG_ON(entry->locked);
drm_ctl_free(entry, sizeof(*entry), DRM_MEM_TTM);
}
return;
}
}
BUG_ON(1);
}
int drm_ttm_lock_mm(drm_ttm_t * ttm)
{
p_mm_entry_t *entry;
int lock_ok = 1;
list_for_each_entry(entry, &ttm->p_mm_list, head) {
BUG_ON(entry->locked);
if (!down_write_trylock(&entry->mm->mmap_sem)) {
lock_ok = 0;
break;
}
entry->locked = 1;
}
if (lock_ok)
return 0;
list_for_each_entry(entry, &ttm->p_mm_list, head) {
if (!entry->locked)
break;
up_write(&entry->mm->mmap_sem);
entry->locked = 0;
}
/*
* Possible deadlock. Try again. Our callers should handle this
* and restart.
*/
return -EAGAIN;
}
void drm_ttm_unlock_mm(drm_ttm_t * ttm)
{
p_mm_entry_t *entry;
list_for_each_entry(entry, &ttm->p_mm_list, head) {
BUG_ON(!entry->locked);
up_write(&entry->mm->mmap_sem);
entry->locked = 0;
}
}
int drm_ttm_remap_bound(drm_ttm_t *ttm)
{
vma_entry_t *v_entry;
int ret = 0;
list_for_each_entry(v_entry, &ttm->vma_list, head) {
ret = drm_ttm_map_bound(v_entry->vma);
if (ret)
break;
}
drm_ttm_unlock_mm(ttm);
return ret;
}
void drm_ttm_finish_unmap(drm_ttm_t *ttm)
{
vma_entry_t *v_entry;
if (!(ttm->page_flags & DRM_TTM_PAGE_UNCACHED))
return;
list_for_each_entry(v_entry, &ttm->vma_list, head) {
v_entry->vma->vm_flags &= ~VM_PFNMAP;
}
drm_ttm_unlock_mm(ttm);
}
#endif

149
linux-core/drm_compat.h
View File

@ -31,6 +31,7 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <asm/agp.h>
#ifndef _DRM_COMPAT_H_
#define _DRM_COMPAT_H_
@ -227,4 +228,152 @@ static inline int remap_pfn_range(struct vm_area_struct *vma, unsigned long from
}
#endif
#include <linux/mm.h>
#include <asm/page.h>
#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) && \
(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)))
#define DRM_ODD_MM_COMPAT
#endif
/*
* Flush relevant caches and clear a VMA structure so that page references
* will cause a page fault. Don't flush tlbs.
*/
extern void drm_clear_vma(struct vm_area_struct *vma,
unsigned long addr, unsigned long end);
/*
* Return the PTE protection map entries for the VMA flags given by
* flags. This is a functional interface to the kernel's protection map.
*/
extern pgprot_t vm_get_page_prot(unsigned long vm_flags);
/*
* These are similar to the current kernel gatt pages allocator, only that we
* want a struct page pointer instead of a virtual address. This allows for pages
* that are not in the kernel linear map.
*/
#define drm_alloc_gatt_pages(order) ({ \
void *_virt = alloc_gatt_pages(order); \
((_virt) ? virt_to_page(_virt) : NULL);})
#define drm_free_gatt_pages(pages, order) free_gatt_pages(page_address(pages), order)
#if defined(CONFIG_X86) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
/*
* These are too slow in earlier kernels.
*/
extern int drm_unmap_page_from_agp(struct page *page);
extern int drm_map_page_into_agp(struct page *page);
#define map_page_into_agp drm_map_page_into_agp
#define unmap_page_from_agp drm_unmap_page_from_agp
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
extern struct page *get_nopage_retry(void);
extern void free_nopage_retry(void);
struct fault_data;
extern struct page *drm_vm_ttm_fault(struct vm_area_struct *vma,
struct fault_data *data);
#define NOPAGE_REFAULT get_nopage_retry()
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
/*
* Hopefully, real NOPAGE_RETRY functionality will be in 2.6.19.
* For now, just return a dummy page that we've allocated out of
* static space. The page will be put by do_nopage() since we've already
* filled out the pte.
*/
struct fault_data {
struct vm_area_struct *vma;
unsigned long address;
pgoff_t pgoff;
unsigned int flags;
int type;
};
extern int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn, pgprot_t pgprot);
extern struct page *drm_vm_ttm_nopage(struct vm_area_struct *vma,
unsigned long address,
int *type);
#endif
#ifdef DRM_ODD_MM_COMPAT
struct drm_ttm;
/*
* Add a vma to the ttm vma list, and the
* process mm pointer to the ttm mm list. Needs the ttm mutex.
*/
extern int drm_ttm_add_vma(struct drm_ttm * ttm,
struct vm_area_struct *vma);
/*
* Delete a vma and the corresponding mm pointer from the
* ttm lists. Needs the ttm mutex.
*/
extern void drm_ttm_delete_vma(struct drm_ttm * ttm,
struct vm_area_struct *vma);
/*
* Attempts to lock all relevant mmap_sems for a ttm, while
* not releasing the ttm mutex. May return -EAGAIN to avoid
* deadlocks. In that case the caller shall release the ttm mutex,
* schedule() and try again.
*/
extern int drm_ttm_lock_mm(struct drm_ttm * ttm);
/*
* Unlock all relevant mmap_sems for a ttm.
*/
extern void drm_ttm_unlock_mm(struct drm_ttm * ttm);
/*
* If the ttm was bound to the aperture, this function shall be called
* with all relevant mmap sems held. It deletes the flag VM_PFNMAP from all
* vmas mapping this ttm. This is needed just after unmapping the ptes of
* the vma, otherwise the do_nopage() function will bug :(. The function
* releases the mmap_sems for this ttm.
*/
extern void drm_ttm_finish_unmap(struct drm_ttm *ttm);
/*
* Remap all vmas of this ttm using io_remap_pfn_range. We cannot
* fault these pfns in, because the first one will set the vma VM_PFNMAP
* flag, which will make the next fault bug in do_nopage(). The function
* releases the mmap_sems for this ttm.
*/
extern int drm_ttm_remap_bound(struct drm_ttm *ttm);
/*
* Remap a vma for a bound ttm. Call with the ttm mutex held and
* the relevant mmap_sem locked.
*/
extern int drm_ttm_map_bound(struct vm_area_struct *vma);
#endif
#endif

8
linux-core/drm_context.c
View File

@ -53,7 +53,7 @@
* \param ctx_handle context handle.
*
* Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry
* in drm_device::context_sareas, while holding the drm_device::struct_sem
* in drm_device::context_sareas, while holding the drm_device::struct_mutex
* lock.
*/
void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
@ -83,7 +83,7 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
*
* Find the first zero bit in drm_device::ctx_bitmap and (re)allocates
* drm_device::context_sareas to accommodate the new entry while holding the
* drm_device::struct_sem lock.
* drm_device::struct_mutex lock.
*/
static int drm_ctxbitmap_next(drm_device_t * dev)
{
@ -145,7 +145,7 @@ static int drm_ctxbitmap_next(drm_device_t * dev)
* \param dev DRM device.
*
* Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding
* the drm_device::struct_sem lock.
* the drm_device::struct_mutex lock.
*/
int drm_ctxbitmap_init(drm_device_t * dev)
{
@ -178,7 +178,7 @@ int drm_ctxbitmap_init(drm_device_t * dev)
* \param dev DRM device.
*
* Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding
* the drm_device::struct_sem lock.
* the drm_device::struct_mutex lock.
*/
void drm_ctxbitmap_cleanup(drm_device_t * dev)
{

8
linux-core/drm_core.h
View File

@ -25,11 +25,11 @@
#define CORE_NAME "drm"
#define CORE_DESC "DRM shared core routines"
#define CORE_DATE "20051102"
#define CORE_DATE "20060810"
#define DRM_IF_MAJOR 1
#define DRM_IF_MINOR 2
#define DRM_IF_MINOR 3
#define CORE_MAJOR 1
#define CORE_MINOR 0
#define CORE_PATCHLEVEL 1
#define CORE_MINOR 1
#define CORE_PATCHLEVEL 0

56
linux-core/drm_drawable.c
View File

@ -1,56 +0,0 @@
/**
* \file drm_drawable.c
* IOCTLs for drawables
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "drmP.h"
/** No-op. */
int drm_adddraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
drm_draw_t draw;
draw.handle = 0; /* NOOP */
DRM_DEBUG("%d\n", draw.handle);
if (copy_to_user((drm_draw_t __user *) arg, &draw, sizeof(draw)))
return -EFAULT;
return 0;
}
/** No-op. */
int drm_rmdraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
return 0; /* NOOP */
}

116
linux-core/drm_drv.c
View File

@ -50,7 +50,7 @@
#include "drmP.h"
#include "drm_core.h"
static void __exit drm_cleanup(drm_device_t * dev);
static void drm_cleanup(drm_device_t * dev);
int drm_fb_loaded = 0;
static int drm_version(struct inode *inode, struct file *filp,
@ -119,9 +119,16 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0},
[DRM_IOCTL_NR(DRM_IOCTL_FENCE)] = {drm_fence_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_IOCTL_BUFOBJ)] = {drm_bo_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_IOCTL_MM_INIT)] = {drm_mm_init_ioctl,
DRM_AUTH },
[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
};
#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( drm_ioctls )
#define DRIVER_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
/**
* Take down the DRM device.
@ -141,6 +148,11 @@ int drm_lastclose(drm_device_t * dev)
DRM_DEBUG("\n");
if (drm_bo_driver_finish(dev)) {
DRM_ERROR("DRM memory manager still busy. "
"System is unstable. Please reboot.\n");
}
if (dev->driver->lastclose)
dev->driver->lastclose(dev);
DRM_DEBUG("driver lastclose completed\n");
@ -154,6 +166,18 @@ int drm_lastclose(drm_device_t * dev)
if (dev->irq_enabled)
drm_irq_uninstall(dev);
/* Free drawable information memory */
for (i = 0; i < dev->drw_bitfield_length / sizeof(*dev->drw_bitfield);
i++) {
drm_drawable_info_t *info = drm_get_drawable_info(dev, i);
if (info) {
drm_free(info->rects, info->num_rects *
sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
drm_free(info, sizeof(*info), DRM_MEM_BUFS);
}
}
mutex_lock(&dev->struct_mutex);
del_timer(&dev->timer);
@ -204,7 +228,7 @@ int drm_lastclose(drm_device_t * dev)
if (dev->vmalist) {
for (vma = dev->vmalist; vma; vma = vma_next) {
vma_next = vma->next;
drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS);
}
dev->vmalist = NULL;
}
@ -242,6 +266,7 @@ int drm_lastclose(drm_device_t * dev)
dev->lock.filp = NULL;
wake_up_interruptible(&dev->lock.lock_queue);
}
dev->dev_mapping = NULL;
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("lastclose completed\n");
@ -336,7 +361,7 @@ EXPORT_SYMBOL(drm_init);
*
* \sa drm_init
*/
static void __exit drm_cleanup(drm_device_t * dev)
static void drm_cleanup(drm_device_t * dev)
{
DRM_DEBUG("\n");
@ -346,11 +371,14 @@ static void __exit drm_cleanup(drm_device_t * dev)
}
drm_lastclose(dev);
drm_fence_manager_takedown(dev);
if (dev->maplist) {
drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
dev->maplist = NULL;
drm_ht_remove(&dev->map_hash);
drm_mm_takedown(&dev->offset_manager);
drm_ht_remove(&dev->object_hash);
}
if (!drm_fb_loaded)
@ -379,7 +407,7 @@ static void __exit drm_cleanup(drm_device_t * dev)
DRM_ERROR("Cannot unload module\n");
}
void __exit drm_exit(struct drm_driver *driver)
void drm_exit(struct drm_driver *driver)
{
int i;
drm_device_t *dev = NULL;
@ -405,6 +433,9 @@ void __exit drm_exit(struct drm_driver *driver)
}
} else
pci_unregister_driver(&driver->pci_driver);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
free_nopage_retry();
#endif
DRM_INFO("Module unloaded\n");
}
EXPORT_SYMBOL(drm_exit);
@ -415,10 +446,64 @@ static struct file_operations drm_stub_fops = {
.open = drm_stub_open
};
static int drm_create_memory_caches(void)
{
drm_cache.mm = kmem_cache_create("drm_mm_node_t",
sizeof(drm_mm_node_t),
0,
SLAB_HWCACHE_ALIGN,
NULL,NULL);
if (!drm_cache.mm)
return -ENOMEM;
drm_cache.fence_object= kmem_cache_create("drm_fence_object_t",
sizeof(drm_fence_object_t),
0,
SLAB_HWCACHE_ALIGN,
NULL,NULL);
if (!drm_cache.fence_object)
return -ENOMEM;
return 0;
}
static void drm_free_mem_cache(kmem_cache_t *cache,
const char *name)
{
if (!cache)
return;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
if (kmem_cache_destroy(cache)) {
DRM_ERROR("Warning! DRM is leaking %s memory.\n",
name);
}
#else
kmem_cache_destroy(cache);
#endif
}
static void drm_free_memory_caches(void )
{
drm_free_mem_cache(drm_cache.fence_object, "fence object");
drm_cache.fence_object = NULL;
drm_free_mem_cache(drm_cache.mm, "memory manager block");
drm_cache.mm = NULL;
}
static int __init drm_core_init(void)
{
int ret = -ENOMEM;
int ret;
struct sysinfo si;
si_meminfo(&si);
drm_init_memctl(si.totalram/2, si.totalram*3/4);
ret = drm_create_memory_caches();
if (ret)
goto err_p1;
ret = -ENOMEM;
drm_cards_limit =
(drm_cards_limit < DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1);
drm_heads = drm_calloc(drm_cards_limit, sizeof(*drm_heads), DRM_MEM_STUB);
@ -454,11 +539,13 @@ err_p2:
unregister_chrdev(DRM_MAJOR, "drm");
drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB);
err_p1:
drm_free_memory_caches();
return ret;
}
static void __exit drm_core_exit(void)
{
drm_free_memory_caches();
remove_proc_entry("dri", NULL);
drm_sysfs_destroy(drm_class);
@ -535,13 +622,18 @@ int drm_ioctl(struct inode *inode, struct file *filp,
current->pid, cmd, nr, (long)old_encode_dev(priv->head->device),
priv->authenticated);
if (nr < DRIVER_IOCTL_COUNT)
ioctl = &drm_ioctls[nr];
else if ((nr >= DRM_COMMAND_BASE)
&& (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
else
if (nr >= DRIVER_IOCTL_COUNT &&
(nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END))
goto err_i1;
if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
&& (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
else if (nr >= DRM_COMMAND_END || nr < DRM_COMMAND_BASE)
ioctl = &drm_ioctls[nr];
else
goto err_i1;
func = ioctl->func;
if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) /* Local override? */

619
linux-core/drm_fence.c Normal file
View File

@ -0,0 +1,619 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#include "drmP.h"
/*
* Typically called by the IRQ handler.
*/
void drm_fence_handler(drm_device_t * dev, uint32_t sequence, uint32_t type)
{
int wake = 0;
uint32_t diff;
uint32_t relevant;
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
struct list_head *list, *prev;
drm_fence_object_t *fence;
int found = 0;
if (list_empty(&fm->ring))
return;
list_for_each_entry(fence, &fm->ring, ring) {
diff = (sequence - fence->sequence) & driver->sequence_mask;
if (diff > driver->wrap_diff) {
found = 1;
break;
}
}
list = (found) ? fence->ring.prev : fm->ring.prev;
prev = list->prev;
for (; list != &fm->ring; list = prev, prev = list->prev) {
fence = list_entry(list, drm_fence_object_t, ring);
type |= fence->native_type;
relevant = type & fence->type;
if ((fence->signaled | relevant) != fence->signaled) {
fence->signaled |= relevant;
DRM_DEBUG("Fence 0x%08lx signaled 0x%08x\n",
fence->base.hash.key, fence->signaled);
fence->submitted_flush |= relevant;
wake = 1;
}
relevant = fence->flush_mask &
~(fence->signaled | fence->submitted_flush);
if (relevant) {
fm->pending_flush |= relevant;
fence->submitted_flush = fence->flush_mask;
}
if (!(fence->type & ~fence->signaled)) {
DRM_DEBUG("Fence completely signaled 0x%08lx\n",
fence->base.hash.key);
list_del_init(&fence->ring);
}
}
if (wake) {
DRM_WAKEUP(&fm->fence_queue);
}
}
EXPORT_SYMBOL(drm_fence_handler);
static void drm_fence_unring(drm_device_t * dev, struct list_head *ring)
{
drm_fence_manager_t *fm = &dev->fm;
unsigned long flags;
write_lock_irqsave(&fm->lock, flags);
list_del_init(ring);
write_unlock_irqrestore(&fm->lock, flags);
}
void drm_fence_usage_deref_locked(drm_device_t * dev,
drm_fence_object_t * fence)
{
drm_fence_manager_t *fm = &dev->fm;
if (atomic_dec_and_test(&fence->usage)) {
drm_fence_unring(dev, &fence->ring);
DRM_DEBUG("Destroyed a fence object 0x%08lx\n",
fence->base.hash.key);
atomic_dec(&fm->count);
drm_ctl_cache_free(drm_cache.fence_object, sizeof(*fence),
fence);
}
}
void drm_fence_usage_deref_unlocked(drm_device_t * dev,
drm_fence_object_t * fence)
{
drm_fence_manager_t *fm = &dev->fm;
if (atomic_dec_and_test(&fence->usage)) {
mutex_lock(&dev->struct_mutex);
if (atomic_read(&fence->usage) == 0) {
drm_fence_unring(dev, &fence->ring);
atomic_dec(&fm->count);
drm_ctl_cache_free(drm_cache.fence_object,
sizeof(*fence), fence);
}
mutex_unlock(&dev->struct_mutex);
}
}
static void drm_fence_object_destroy(drm_file_t * priv,
drm_user_object_t * base)
{
drm_device_t *dev = priv->head->dev;
drm_fence_object_t *fence =
drm_user_object_entry(base, drm_fence_object_t, base);
drm_fence_usage_deref_locked(dev, fence);
}
static int fence_signaled(drm_device_t * dev, volatile
drm_fence_object_t * fence,
uint32_t mask, int poke_flush)
{
unsigned long flags;
int signaled;
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
if (poke_flush)
driver->poke_flush(dev);
read_lock_irqsave(&fm->lock, flags);
signaled =
(fence->type & mask & fence->signaled) == (fence->type & mask);
read_unlock_irqrestore(&fm->lock, flags);
return signaled;
}
static void drm_fence_flush_exe(drm_fence_manager_t * fm,
drm_fence_driver_t * driver, uint32_t sequence)
{
uint32_t diff;
if (!fm->pending_exe_flush) {
volatile struct list_head *list;
/*
* Last_exe_flush is invalid. Find oldest sequence.
*/
/* list = fm->fence_types[_DRM_FENCE_TYPE_EXE];*/
list = &fm->ring;
if (list->next == &fm->ring) {
return;
} else {
drm_fence_object_t *fence =
list_entry(list->next, drm_fence_object_t, ring);
fm->last_exe_flush = (fence->sequence - 1) &
driver->sequence_mask;
}
diff = (sequence - fm->last_exe_flush) & driver->sequence_mask;
if (diff >= driver->wrap_diff)
return;
fm->exe_flush_sequence = sequence;
fm->pending_exe_flush = 1;
} else {
diff =
(sequence - fm->exe_flush_sequence) & driver->sequence_mask;
if (diff < driver->wrap_diff) {
fm->exe_flush_sequence = sequence;
}
}
}
int drm_fence_object_signaled(volatile drm_fence_object_t * fence,
uint32_t type)
{
return ((fence->signaled & type) == type);
}
int drm_fence_object_flush(drm_device_t * dev,
volatile drm_fence_object_t * fence, uint32_t type)
{
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
unsigned long flags;
if (type & ~fence->type) {
DRM_ERROR("Flush trying to extend fence type, "
"0x%x, 0x%x\n", type, fence->type);
return -EINVAL;
}
write_lock_irqsave(&fm->lock, flags);
fence->flush_mask |= type;
if (fence->submitted_flush == fence->signaled) {
if ((fence->type & DRM_FENCE_TYPE_EXE) &&
!(fence->submitted_flush & DRM_FENCE_TYPE_EXE)) {
drm_fence_flush_exe(fm, driver, fence->sequence);
fence->submitted_flush |= DRM_FENCE_TYPE_EXE;
} else {
fm->pending_flush |= (fence->flush_mask &
~fence->submitted_flush);
fence->submitted_flush = fence->flush_mask;
}
}
write_unlock_irqrestore(&fm->lock, flags);
driver->poke_flush(dev);
return 0;
}
/*
* Make sure old fence objects are signaled before their fence sequences are
* wrapped around and reused.
*/
void drm_fence_flush_old(drm_device_t * dev, uint32_t sequence)
{
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
uint32_t old_sequence;
unsigned long flags;
drm_fence_object_t *fence;
uint32_t diff;
mutex_lock(&dev->struct_mutex);
read_lock_irqsave(&fm->lock, flags);
if (fm->ring.next == &fm->ring) {
read_unlock_irqrestore(&fm->lock, flags);
mutex_unlock(&dev->struct_mutex);
return;
}
old_sequence = (sequence - driver->flush_diff) & driver->sequence_mask;
fence = list_entry(fm->ring.next, drm_fence_object_t, ring);
atomic_inc(&fence->usage);
mutex_unlock(&dev->struct_mutex);
diff = (old_sequence - fence->sequence) & driver->sequence_mask;
read_unlock_irqrestore(&fm->lock, flags);
if (diff < driver->wrap_diff) {
drm_fence_object_flush(dev, fence, fence->type);
}
drm_fence_usage_deref_unlocked(dev, fence);
}
EXPORT_SYMBOL(drm_fence_flush_old);
int drm_fence_object_wait(drm_device_t * dev,
volatile drm_fence_object_t * fence,
int lazy, int ignore_signals, uint32_t mask)
{
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
int ret = 0;
unsigned long _end;
int signaled;
if (mask & ~fence->type) {
DRM_ERROR("Wait trying to extend fence type"
" 0x%08x 0x%08x\n", mask, fence->type);
return -EINVAL;
}
if (fence_signaled(dev, fence, mask, 0))
return 0;
_end = jiffies + 3 * DRM_HZ;
drm_fence_object_flush(dev, fence, mask);
if (lazy && driver->lazy_capable) {
do {
DRM_WAIT_ON(ret, fm->fence_queue, 3 * DRM_HZ,
fence_signaled(dev, fence, mask, 1));
if (time_after_eq(jiffies, _end))
break;
} while (ret == -EINTR && ignore_signals);
if (time_after_eq(jiffies, _end) && (ret != 0))
ret = -EBUSY;
if (ret) {
if (ret == -EBUSY) {
DRM_ERROR("Fence timeout. "
"GPU lockup or fence driver was "
"taken down.\n");
}
return ((ret == -EINTR) ? -EAGAIN : ret);
}
} else if ((fence->class == 0) && (mask & DRM_FENCE_TYPE_EXE) &&
driver->lazy_capable) {
/*
* We use IRQ wait for EXE fence if available to gain
* CPU in some cases.
*/
do {
DRM_WAIT_ON(ret, fm->fence_queue, 3 * DRM_HZ,
fence_signaled(dev, fence,
DRM_FENCE_TYPE_EXE, 1));
if (time_after_eq(jiffies, _end))
break;
} while (ret == -EINTR && ignore_signals);
if (time_after_eq(jiffies, _end) && (ret != 0))
ret = -EBUSY;
if (ret)
return ((ret == -EINTR) ? -EAGAIN : ret);
}
if (fence_signaled(dev, fence, mask, 0))
return 0;
/*
* Avoid kernel-space busy-waits.
*/
#if 1
if (!ignore_signals)
return -EAGAIN;
#endif
do {
schedule();
signaled = fence_signaled(dev, fence, mask, 1);
} while (!signaled && !time_after_eq(jiffies, _end));
if (!signaled)
return -EBUSY;
return 0;
}
int drm_fence_object_emit(drm_device_t * dev, drm_fence_object_t * fence,
uint32_t fence_flags, uint32_t type)
{
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
unsigned long flags;
uint32_t sequence;
uint32_t native_type;
int ret;
drm_fence_unring(dev, &fence->ring);
ret = driver->emit(dev, fence_flags, &sequence, &native_type);
if (ret)
return ret;
write_lock_irqsave(&fm->lock, flags);
fence->type = type;
fence->flush_mask = 0x00;
fence->submitted_flush = 0x00;
fence->signaled = 0x00;
fence->sequence = sequence;
fence->native_type = native_type;
list_add_tail(&fence->ring, &fm->ring);
write_unlock_irqrestore(&fm->lock, flags);
return 0;
}
static int drm_fence_object_init(drm_device_t * dev, uint32_t type,
uint32_t fence_flags,
drm_fence_object_t * fence)
{
int ret = 0;
unsigned long flags;
drm_fence_manager_t *fm = &dev->fm;
mutex_lock(&dev->struct_mutex);
atomic_set(&fence->usage, 1);
mutex_unlock(&dev->struct_mutex);
write_lock_irqsave(&fm->lock, flags);
INIT_LIST_HEAD(&fence->ring);
fence->class = 0;
fence->type = type;
fence->flush_mask = 0;
fence->submitted_flush = 0;
fence->signaled = 0;
fence->sequence = 0;
write_unlock_irqrestore(&fm->lock, flags);
if (fence_flags & DRM_FENCE_FLAG_EMIT) {
ret = drm_fence_object_emit(dev, fence, fence_flags, type);
}
return ret;
}
int drm_fence_add_user_object(drm_file_t * priv, drm_fence_object_t * fence,
int shareable)
{
drm_device_t *dev = priv->head->dev;
int ret;
mutex_lock(&dev->struct_mutex);
ret = drm_add_user_object(priv, &fence->base, shareable);
mutex_unlock(&dev->struct_mutex);
if (ret)
return ret;
fence->base.type = drm_fence_type;
fence->base.remove = &drm_fence_object_destroy;
DRM_DEBUG("Fence 0x%08lx created\n", fence->base.hash.key);
return 0;
}
EXPORT_SYMBOL(drm_fence_add_user_object);
int drm_fence_object_create(drm_device_t * dev, uint32_t type,
unsigned flags, drm_fence_object_t ** c_fence)
{
drm_fence_object_t *fence;
int ret;
drm_fence_manager_t *fm = &dev->fm;
fence = drm_ctl_cache_alloc(drm_cache.fence_object,
sizeof(*fence), GFP_KERNEL);
if (!fence)
return -ENOMEM;
ret = drm_fence_object_init(dev, type, flags, fence);
if (ret) {
drm_fence_usage_deref_unlocked(dev, fence);
return ret;
}
*c_fence = fence;
atomic_inc(&fm->count);
return 0;
}
EXPORT_SYMBOL(drm_fence_object_create);
void drm_fence_manager_init(drm_device_t * dev)
{
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *fed = dev->driver->fence_driver;
int i;
fm->lock = RW_LOCK_UNLOCKED;
write_lock(&fm->lock);
INIT_LIST_HEAD(&fm->ring);
fm->pending_flush = 0;
DRM_INIT_WAITQUEUE(&fm->fence_queue);
fm->initialized = 0;
if (fed) {
fm->initialized = 1;
atomic_set(&fm->count, 0);
for (i = 0; i < fed->no_types; ++i) {
fm->fence_types[i] = &fm->ring;
}
}
write_unlock(&fm->lock);
}
void drm_fence_manager_takedown(drm_device_t * dev)
{
}
drm_fence_object_t *drm_lookup_fence_object(drm_file_t * priv, uint32_t handle)
{
drm_device_t *dev = priv->head->dev;
drm_user_object_t *uo;
drm_fence_object_t *fence;
mutex_lock(&dev->struct_mutex);
uo = drm_lookup_user_object(priv, handle);
if (!uo || (uo->type != drm_fence_type)) {
mutex_unlock(&dev->struct_mutex);
return NULL;
}
fence = drm_user_object_entry(uo, drm_fence_object_t, base);
atomic_inc(&fence->usage);
mutex_unlock(&dev->struct_mutex);
return fence;
}
int drm_fence_ioctl(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
int ret;
drm_fence_manager_t *fm = &dev->fm;
drm_fence_arg_t arg;
drm_fence_object_t *fence;
drm_user_object_t *uo;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
DRM_ERROR("The DRM driver does not support fencing.\n");
return -EINVAL;
}
DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
switch (arg.op) {
case drm_fence_create:
if (arg.flags & DRM_FENCE_FLAG_EMIT)
LOCK_TEST_WITH_RETURN(dev, filp);
ret = drm_fence_object_create(dev, arg.type, arg.flags, &fence);
if (ret)
return ret;
ret = drm_fence_add_user_object(priv, fence,
arg.flags &
DRM_FENCE_FLAG_SHAREABLE);
if (ret) {
drm_fence_usage_deref_unlocked(dev, fence);
return ret;
}
/*
* usage > 0. No need to lock dev->struct_mutex;
*/
atomic_inc(&fence->usage);
arg.handle = fence->base.hash.key;
break;
case drm_fence_destroy:
mutex_lock(&dev->struct_mutex);
uo = drm_lookup_user_object(priv, arg.handle);
if (!uo || (uo->type != drm_fence_type) || uo->owner != priv) {
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
ret = drm_remove_user_object(priv, uo);
mutex_unlock(&dev->struct_mutex);
return ret;
case drm_fence_reference:
ret =
drm_user_object_ref(priv, arg.handle, drm_fence_type, &uo);
if (ret)
return ret;
fence = drm_lookup_fence_object(priv, arg.handle);
break;
case drm_fence_unreference:
ret = drm_user_object_unref(priv, arg.handle, drm_fence_type);
return ret;
case drm_fence_signaled:
fence = drm_lookup_fence_object(priv, arg.handle);
if (!fence)
return -EINVAL;
break;
case drm_fence_flush:
fence = drm_lookup_fence_object(priv, arg.handle);
if (!fence)
return -EINVAL;
ret = drm_fence_object_flush(dev, fence, arg.type);
break;
case drm_fence_wait:
fence = drm_lookup_fence_object(priv, arg.handle);
if (!fence)
return -EINVAL;
ret =
drm_fence_object_wait(dev, fence,
arg.flags & DRM_FENCE_FLAG_WAIT_LAZY,
0, arg.type);
break;
case drm_fence_emit:
LOCK_TEST_WITH_RETURN(dev, filp);
fence = drm_lookup_fence_object(priv, arg.handle);
if (!fence)
return -EINVAL;
ret = drm_fence_object_emit(dev, fence, arg.flags, arg.type);
break;
case drm_fence_buffers:
if (!dev->bm.initialized) {
DRM_ERROR("Buffer object manager is not initialized\n");
return -EINVAL;
}
LOCK_TEST_WITH_RETURN(dev, filp);
ret = drm_fence_buffer_objects(priv, NULL, arg.flags,
NULL, &fence);
if (ret)
return ret;
ret = drm_fence_add_user_object(priv, fence,
arg.flags &
DRM_FENCE_FLAG_SHAREABLE);
if (ret)
return ret;
atomic_inc(&fence->usage);
arg.handle = fence->base.hash.key;
break;
default:
return -EINVAL;
}
read_lock_irqsave(&fm->lock, flags);
arg.class = fence->class;
arg.type = fence->type;
arg.signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_usage_deref_unlocked(dev, fence);
DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
return ret;
}

157
linux-core/drm_fops.c
View File

@ -47,6 +47,7 @@ static int drm_setup(drm_device_t * dev)
int i;
int ret;
if (dev->driver->firstopen) {
ret = dev->driver->firstopen(dev);
if (ret != 0)
@ -56,6 +57,7 @@ static int drm_setup(drm_device_t * dev)
dev->magicfree.next = NULL;
/* prebuild the SAREA */
i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, _DRM_CONTAINS_LOCK, &map);
if (i != 0)
return i;
@ -71,11 +73,11 @@ static int drm_setup(drm_device_t * dev)
return i;
}
for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++)
for (i = 0; i < ARRAY_SIZE(dev->counts); i++)
atomic_set(&dev->counts[i], 0);
drm_ht_create(&dev->magiclist, DRM_MAGIC_HASH_ORDER);
INIT_LIST_HEAD(&dev->magicfree);
drm_ht_create(&dev->magiclist, DRM_MAGIC_HASH_ORDER);
INIT_LIST_HEAD(&dev->magicfree);
dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist), DRM_MEM_CTXLIST);
if (dev->ctxlist == NULL)
@ -156,6 +158,12 @@ int drm_open(struct inode *inode, struct file *filp)
}
spin_unlock(&dev->count_lock);
}
mutex_lock(&dev->struct_mutex);
BUG_ON((dev->dev_mapping != NULL) &&
(dev->dev_mapping != inode->i_mapping));
if (dev->dev_mapping == NULL)
dev->dev_mapping = inode->i_mapping;
mutex_unlock(&dev->struct_mutex);
return retcode;
}
@ -175,7 +183,7 @@ int drm_stub_open(struct inode *inode, struct file *filp)
drm_device_t *dev = NULL;
int minor = iminor(inode);
int err = -ENODEV;
struct file_operations *old_fops;
const struct file_operations *old_fops;
DRM_DEBUG("\n");
@ -233,6 +241,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
int minor = iminor(inode);
drm_file_t *priv;
int ret;
int i,j;
if (filp->f_flags & O_EXCL)
return -EBUSY; /* No exclusive opens */
@ -256,6 +265,22 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
priv->authenticated = capable(CAP_SYS_ADMIN);
priv->lock_count = 0;
INIT_LIST_HEAD(&priv->user_objects);
INIT_LIST_HEAD(&priv->refd_objects);
for (i=0; i<_DRM_NO_REF_TYPES; ++i) {
ret = drm_ht_create(&priv->refd_object_hash[i], DRM_FILE_HASH_ORDER);
if (ret)
break;
}
if (ret) {
for(j=0; j<i; ++j) {
drm_ht_remove(&priv->refd_object_hash[j]);
}
goto out_free;
}
if (dev->driver->open) {
ret = dev->driver->open(dev, priv);
if (ret < 0)
@ -320,6 +345,53 @@ int drm_fasync(int fd, struct file *filp, int on)
}
EXPORT_SYMBOL(drm_fasync);
static void drm_object_release(struct file *filp) {
drm_file_t *priv = filp->private_data;
struct list_head *head;
drm_user_object_t *user_object;
drm_ref_object_t *ref_object;
int i;
/*
* Free leftover ref objects created by me. Note that we cannot use
* list_for_each() here, as the struct_mutex may be temporarily released
* by the remove_() functions, and thus the lists may be altered.
* Also, a drm_remove_ref_object() will not remove it
* from the list unless its refcount is 1.
*/
head = &priv->refd_objects;
while (head->next != head) {
ref_object = list_entry(head->next, drm_ref_object_t, list);
drm_remove_ref_object(priv, ref_object);
head = &priv->refd_objects;
}
/*
* Free leftover user objects created by me.
*/
head = &priv->user_objects;
while (head->next != head) {
user_object = list_entry(head->next, drm_user_object_t, list);
drm_remove_user_object(priv, user_object);
head = &priv->user_objects;
}
for(i=0; i<_DRM_NO_REF_TYPES; ++i) {
drm_ht_remove(&priv->refd_object_hash[i]);
}
}
/**
* Release file.
*
@ -354,58 +426,43 @@ int drm_release(struct inode *inode, struct file *filp)
current->pid, (long)old_encode_dev(priv->head->device),
dev->open_count);
if (priv->lock_count && dev->lock.hw_lock &&
_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) &&
dev->lock.filp == filp) {
if (dev->driver->reclaim_buffers_locked) {
unsigned long _end = jiffies + DRM_HZ*3;
do {
retcode = drm_kernel_take_hw_lock(filp);
} while(retcode && !time_after_eq(jiffies,_end));
if (!retcode) {
dev->driver->reclaim_buffers_locked(dev, filp);
drm_lock_free(dev, &dev->lock.hw_lock->lock,
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
} else {
/*
* FIXME: This is not a good solution. We should perhaps associate the
* DRM lock with a process context, and check whether the current process
* holds the lock. Then we can run reclaim buffers locked anyway.
*/
DRM_ERROR("Reclaim buffers locked deadlock.\n");
DRM_ERROR("This is probably a single thread having multiple\n");
DRM_ERROR("DRM file descriptors open either dying or "
"closing file descriptors\n");
DRM_ERROR("while having the lock. I will not reclaim buffers.\n");
DRM_ERROR("Locking context is 0x%08x\n",
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
}
} else if (drm_i_have_hw_lock(filp)) {
DRM_DEBUG("File %p released, freeing lock for context %d\n",
filp, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
if (dev->driver->reclaim_buffers_locked)
dev->driver->reclaim_buffers_locked(dev, filp);
drm_lock_free(dev, &dev->lock.hw_lock->lock,
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
/* FIXME: may require heavy-handed reset of
hardware at this point, possibly
processed via a callback to the X
server. */
} else if (dev->driver->reclaim_buffers_locked && priv->lock_count
&& dev->lock.hw_lock) {
/* The lock is required to reclaim buffers */
DECLARE_WAITQUEUE(entry, current);
add_wait_queue(&dev->lock.lock_queue, &entry);
for (;;) {
__set_current_state(TASK_INTERRUPTIBLE);
if (!dev->lock.hw_lock) {
/* Device has been unregistered */
retcode = -EINTR;
break;
}
if (drm_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
dev->lock.filp = filp;
dev->lock.lock_time = jiffies;
atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
break; /* Got lock */
}
/* Contention */
schedule();
if (signal_pending(current)) {
retcode = -ERESTARTSYS;
break;
}
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(&dev->lock.lock_queue, &entry);
if (!retcode) {
dev->driver->reclaim_buffers_locked(dev, filp);
drm_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT);
}
}
if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
!dev->driver->reclaim_buffers_locked) {
dev->driver->reclaim_buffers(dev, filp);
@ -414,6 +471,7 @@ int drm_release(struct inode *inode, struct file *filp)
drm_fasync(-1, filp, 0);
mutex_lock(&dev->ctxlist_mutex);
if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) {
drm_ctx_list_t *pos, *n;
@ -435,6 +493,7 @@ int drm_release(struct inode *inode, struct file *filp)
mutex_unlock(&dev->ctxlist_mutex);
mutex_lock(&dev->struct_mutex);
drm_object_release(filp);
if (priv->remove_auth_on_close == 1) {
drm_file_t *temp = dev->file_first;
while (temp) {

49
linux-core/drm_hashtab.c
View File

@ -36,25 +36,34 @@
#include "drm_hashtab.h"
#include <linux/hash.h>
int drm_ht_create(drm_open_hash_t *ht, unsigned int order)
int drm_ht_create(drm_open_hash_t * ht, unsigned int order)
{
unsigned int i;
ht->size = 1 << order;
ht->order = order;
ht->fill = 0;
ht->table = vmalloc(ht->size*sizeof(*ht->table));
ht->table = NULL;
ht->use_vmalloc = ((ht->size * sizeof(*ht->table)) > PAGE_SIZE);
if (!ht->use_vmalloc) {
ht->table = drm_calloc(ht->size, sizeof(*ht->table),
DRM_MEM_HASHTAB);
}
if (!ht->table) {
ht->use_vmalloc = 1;
ht->table = vmalloc(ht->size * sizeof(*ht->table));
}
if (!ht->table) {
DRM_ERROR("Out of memory for hash table\n");
return -ENOMEM;
}
for (i=0; i< ht->size; ++i) {
for (i = 0; i < ht->size; ++i) {
INIT_HLIST_HEAD(&ht->table[i]);
}
return 0;
}
void drm_ht_verbose_list(drm_open_hash_t *ht, unsigned long key)
void drm_ht_verbose_list(drm_open_hash_t * ht, unsigned long key)
{
drm_hash_item_t *entry;
struct hlist_head *h_list;
@ -71,7 +80,7 @@ void drm_ht_verbose_list(drm_open_hash_t *ht, unsigned long key)
}
}
static struct hlist_node *drm_ht_find_key(drm_open_hash_t *ht,
static struct hlist_node *drm_ht_find_key(drm_open_hash_t * ht,
unsigned long key)
{
drm_hash_item_t *entry;
@ -91,8 +100,7 @@ static struct hlist_node *drm_ht_find_key(drm_open_hash_t *ht,
return NULL;
}
int drm_ht_insert_item(drm_open_hash_t *ht, drm_hash_item_t *item)
int drm_ht_insert_item(drm_open_hash_t * ht, drm_hash_item_t * item)
{
drm_hash_item_t *entry;
struct hlist_head *h_list;
@ -106,7 +114,7 @@ int drm_ht_insert_item(drm_open_hash_t *ht, drm_hash_item_t *item)
hlist_for_each(list, h_list) {
entry = hlist_entry(list, drm_hash_item_t, head);
if (entry->key == key)
return -1;
return -EINVAL;
if (entry->key > key)
break;
parent = list;
@ -123,7 +131,7 @@ int drm_ht_insert_item(drm_open_hash_t *ht, drm_hash_item_t *item)
* Just insert an item and return any "bits" bit key that hasn't been
* used before.
*/
int drm_ht_just_insert_please(drm_open_hash_t *ht, drm_hash_item_t *item,
int drm_ht_just_insert_please(drm_open_hash_t * ht, drm_hash_item_t * item,
unsigned long seed, int bits, int shift,
unsigned long add)
{
@ -138,7 +146,7 @@ int drm_ht_just_insert_please(drm_open_hash_t *ht, drm_hash_item_t *item,
ret = drm_ht_insert_item(ht, item);
if (ret)
unshifted_key = (unshifted_key + 1) & mask;
} while(ret && (unshifted_key != first));
} while (ret && (unshifted_key != first));
if (ret) {
DRM_ERROR("Available key bit space exhausted\n");
@ -147,20 +155,20 @@ int drm_ht_just_insert_please(drm_open_hash_t *ht, drm_hash_item_t *item,
return 0;
}
int drm_ht_find_item(drm_open_hash_t *ht, unsigned long key,
drm_hash_item_t **item)
int drm_ht_find_item(drm_open_hash_t * ht, unsigned long key,
drm_hash_item_t ** item)
{
struct hlist_node *list;
list = drm_ht_find_key(ht, key);
if (!list)
return -1;
return -EINVAL;
*item = hlist_entry(list, drm_hash_item_t, head);
return 0;
}
int drm_ht_remove_key(drm_open_hash_t *ht, unsigned long key)
int drm_ht_remove_key(drm_open_hash_t * ht, unsigned long key)
{
struct hlist_node *list;
@ -170,21 +178,24 @@ int drm_ht_remove_key(drm_open_hash_t *ht, unsigned long key)
ht->fill--;
return 0;
}
return -1;
return -EINVAL;
}
int drm_ht_remove_item(drm_open_hash_t *ht, drm_hash_item_t *item)
int drm_ht_remove_item(drm_open_hash_t * ht, drm_hash_item_t * item)
{
hlist_del_init(&item->head);
ht->fill--;
return 0;
}
void drm_ht_remove(drm_open_hash_t *ht)
void drm_ht_remove(drm_open_hash_t * ht)
{
if (ht->table) {
vfree(ht->table);
if (ht->use_vmalloc)
vfree(ht->table);
else
drm_free(ht->table, ht->size * sizeof(*ht->table),
DRM_MEM_HASHTAB);
ht->table = NULL;
}
}

1
linux-core/drm_hashtab.h
View File

@ -47,6 +47,7 @@ typedef struct drm_open_hash{
unsigned int order;
unsigned int fill;
struct hlist_head *table;
int use_vmalloc;
} drm_open_hash_t;

22
linux-core/drm_ioctl.c
View File

@ -125,9 +125,10 @@ int drm_setunique(struct inode *inode, struct file *filp,
domain = bus >> 8;
bus &= 0xff;
if ((domain != dev->pci_domain) ||
(bus != dev->pci_bus) ||
(slot != dev->pci_slot) || (func != dev->pci_func))
if ((domain != drm_get_pci_domain(dev)) ||
(bus != dev->pdev->bus->number) ||
(slot != PCI_SLOT(dev->pdev->devfn)) ||
(func != PCI_FUNC(dev->pdev->devfn)))
return -EINVAL;
return 0;
@ -145,7 +146,10 @@ static int drm_set_busid(drm_device_t * dev)
return ENOMEM;
len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d",
dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func);
drm_get_pci_domain(dev),
dev->pdev->bus->number,
PCI_SLOT(dev->pdev->devfn),
PCI_FUNC(dev->pdev->devfn));
if (len > dev->unique_len)
DRM_ERROR("buffer overflow");
@ -238,7 +242,7 @@ int drm_getclient(struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_client_t __user *argp = (void __user *)arg;
drm_client_t __user *argp = (drm_client_t __user *)arg;
drm_client_t client;
drm_file_t *pt;
int idx;
@ -325,21 +329,23 @@ int drm_setversion(DRM_IOCTL_ARGS)
int if_version;
drm_set_version_t __user *argp = (void __user *)data;
DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv));
if (copy_from_user(&sv, argp, sizeof(sv)))
return -EFAULT;
retv.drm_di_major = DRM_IF_MAJOR;
retv.drm_di_minor = DRM_IF_MINOR;
retv.drm_dd_major = dev->driver->major;
retv.drm_dd_minor = dev->driver->minor;
DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv));
if (copy_to_user(argp, &retv, sizeof(sv)))
return -EFAULT;
if (sv.drm_di_major != -1) {
if (sv.drm_di_major != DRM_IF_MAJOR ||
sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR)
return EINVAL;
if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_di_minor);
dev->if_version = DRM_MAX(if_version, dev->if_version);
dev->if_version = max(if_version, dev->if_version);
if (sv.drm_di_minor >= 1) {
/*
* Version 1.1 includes tying of DRM to specific device

172
linux-core/drm_irq.c
View File

@ -64,9 +64,9 @@ int drm_irq_by_busid(struct inode *inode, struct file *filp,
if (copy_from_user(&p, argp, sizeof(p)))
return -EFAULT;
if ((p.busnum >> 8) != dev->pci_domain ||
(p.busnum & 0xff) != dev->pci_bus ||
p.devnum != dev->pci_slot || p.funcnum != dev->pci_func)
if ((p.busnum >> 8) != drm_get_pci_domain(dev) ||
(p.busnum & 0xff) != dev->pdev->bus->number ||
p.devnum != PCI_SLOT(dev->pdev->devfn) || p.funcnum != PCI_FUNC(dev->pdev->devfn))
return -EINVAL;
p.irq = dev->irq;
@ -118,8 +118,10 @@ static int drm_irq_install(drm_device_t * dev)
init_waitqueue_head(&dev->vbl_queue);
spin_lock_init(&dev->vbl_lock);
spin_lock_init(&dev->tasklet_lock);
INIT_LIST_HEAD(&dev->vbl_sigs.head);
INIT_LIST_HEAD(&dev->vbl_sigs2.head);
dev->vbl_pending = 0;
}
@ -174,6 +176,8 @@ int drm_irq_uninstall(drm_device_t * dev)
free_irq(dev->irq, dev);
dev->locked_tasklet_func = NULL;
return 0;
}
EXPORT_SYMBOL(drm_irq_uninstall);
@ -222,12 +226,12 @@ int drm_control(struct inode *inode, struct file *filp,
* Wait for VBLANK.
*
* \param inode device inode.
* \param filp file pointer.rm.
* \param filp file pointer.
* \param cmd command.
* \param data user argument, pointing to a drm_wait_vblank structure.
* \return zero on success or a negative number on failure.
*
* Verifies the IRQ is installed
* Verifies the IRQ is installed.
*
* If a signal is requested checks if this task has already scheduled the same signal
* for the same vblank sequence number - nothing to be done in
@ -245,19 +249,34 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
drm_wait_vblank_t vblwait;
struct timeval now;
int ret = 0;
unsigned int flags;
if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL))
return -EINVAL;
unsigned int flags, seq;
if ((!dev->irq) || (!dev->irq_enabled))
return -EINVAL;
DRM_COPY_FROM_USER_IOCTL(vblwait, argp, sizeof(vblwait));
if (copy_from_user(&vblwait, argp, sizeof(vblwait)))
return -EFAULT;
switch (vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK) {
if (vblwait.request.type &
~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) {
DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n",
vblwait.request.type,
(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK));
return -EINVAL;
}
flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
if (!drm_core_check_feature(dev, (flags & _DRM_VBLANK_SECONDARY) ?
DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL))
return -EINVAL;
seq = atomic_read((flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2
: &dev->vbl_received);
switch (vblwait.request.type & _DRM_VBLANK_TYPES_MASK) {
case _DRM_VBLANK_RELATIVE:
vblwait.request.sequence += atomic_read(&dev->vbl_received);
vblwait.request.sequence += seq;
vblwait.request.type &= ~_DRM_VBLANK_RELATIVE;
case _DRM_VBLANK_ABSOLUTE:
break;
@ -265,26 +284,30 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
return -EINVAL;
}
flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
if ((flags & _DRM_VBLANK_NEXTONMISS) &&
(seq - vblwait.request.sequence) <= (1<<23)) {
vblwait.request.sequence = seq + 1;
}
if (flags & _DRM_VBLANK_SIGNAL) {
unsigned long irqflags;
drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY)
? &dev->vbl_sigs2 : &dev->vbl_sigs;
drm_vbl_sig_t *vbl_sig;
vblwait.reply.sequence = atomic_read(&dev->vbl_received);
spin_lock_irqsave(&dev->vbl_lock, irqflags);
/* Check if this task has already scheduled the same signal
* for the same vblank sequence number; nothing to be done in
* that case
*/
list_for_each_entry(vbl_sig, &dev->vbl_sigs.head, head) {
list_for_each_entry(vbl_sig, &vbl_sigs->head, head) {
if (vbl_sig->sequence == vblwait.request.sequence
&& vbl_sig->info.si_signo == vblwait.request.signal
&& vbl_sig->task == current) {
spin_unlock_irqrestore(&dev->vbl_lock,
irqflags);
vblwait.reply.sequence = seq;
goto done;
}
}
@ -312,11 +335,16 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
spin_lock_irqsave(&dev->vbl_lock, irqflags);
list_add_tail((struct list_head *)vbl_sig, &dev->vbl_sigs.head);
list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head);
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
vblwait.reply.sequence = seq;
} else {
if (dev->driver->vblank_wait)
if (flags & _DRM_VBLANK_SECONDARY) {
if (dev->driver->vblank_wait2)
ret = dev->driver->vblank_wait2(dev, &vblwait.request.sequence);
} else if (dev->driver->vblank_wait)
ret =
dev->driver->vblank_wait(dev,
&vblwait.request.sequence);
@ -327,7 +355,8 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
}
done:
DRM_COPY_TO_USER_IOCTL(argp, vblwait, sizeof(vblwait));
if (copy_to_user(argp, &vblwait, sizeof(vblwait)))
return -EFAULT;
return ret;
}
@ -343,28 +372,109 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
*/
void drm_vbl_send_signals(drm_device_t * dev)
{
struct list_head *list, *tmp;
drm_vbl_sig_t *vbl_sig;
unsigned int vbl_seq = atomic_read(&dev->vbl_received);
unsigned long flags;
int i;
spin_lock_irqsave(&dev->vbl_lock, flags);
list_for_each_safe(list, tmp, &dev->vbl_sigs.head) {
vbl_sig = list_entry(list, drm_vbl_sig_t, head);
if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
vbl_sig->info.si_code = vbl_seq;
send_sig_info(vbl_sig->info.si_signo, &vbl_sig->info,
vbl_sig->task);
for (i = 0; i < 2; i++) {
struct list_head *list, *tmp;
drm_vbl_sig_t *vbl_sig;
drm_vbl_sig_t *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs;
unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 :
&dev->vbl_received);
list_del(list);
list_for_each_safe(list, tmp, &vbl_sigs->head) {
vbl_sig = list_entry(list, drm_vbl_sig_t, head);
if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
vbl_sig->info.si_code = vbl_seq;
send_sig_info(vbl_sig->info.si_signo,
&vbl_sig->info, vbl_sig->task);
drm_free(vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER);
list_del(list);
dev->vbl_pending--;
drm_free(vbl_sig, sizeof(*vbl_sig),
DRM_MEM_DRIVER);
dev->vbl_pending--;
}
}
}
spin_unlock_irqrestore(&dev->vbl_lock, flags);
}
EXPORT_SYMBOL(drm_vbl_send_signals);
/**
* Tasklet wrapper function.
*
* \param data DRM device in disguise.
*
* Attempts to grab the HW lock and calls the driver callback on success. On
* failure, leave the lock marked as contended so the callback can be called
* from drm_unlock().
*/
static void drm_locked_tasklet_func(unsigned long data)
{
drm_device_t *dev = (drm_device_t*)data;
unsigned long irqflags;
spin_lock_irqsave(&dev->tasklet_lock, irqflags);
if (!dev->locked_tasklet_func ||
!drm_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
return;
}
dev->lock.lock_time = jiffies;
atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
dev->locked_tasklet_func(dev);
drm_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT);
dev->locked_tasklet_func = NULL;
spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
}
/**
* Schedule a tasklet to call back a driver hook with the HW lock held.
*
* \param dev DRM device.
* \param func Driver callback.
*
* This is intended for triggering actions that require the HW lock from an
* interrupt handler. The lock will be grabbed ASAP after the interrupt handler
* completes. Note that the callback may be called from interrupt or process
* context, it must not make any assumptions about this. Also, the HW lock will
* be held with the kernel context or any client context.
*/
void drm_locked_tasklet(drm_device_t *dev, void (*func)(drm_device_t*))
{
unsigned long irqflags;
static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0);
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ) ||
test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state))
return;
spin_lock_irqsave(&dev->tasklet_lock, irqflags);
if (dev->locked_tasklet_func) {
spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
return;
}
dev->locked_tasklet_func = func;
spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
drm_tasklet.data = (unsigned long)dev;
tasklet_hi_schedule(&drm_tasklet);
}
EXPORT_SYMBOL(drm_locked_tasklet);

96
linux-core/drm_lock.c
View File

@ -35,9 +35,12 @@
#include "drmP.h"
#if 0
static int drm_lock_transfer(drm_device_t * dev,
__volatile__ unsigned int *lock,
unsigned int context);
#endif
static int drm_notifier(void *priv);
/**
@ -104,7 +107,7 @@ int drm_lock(struct inode *inode, struct file *filp,
__set_current_state(TASK_RUNNING);
remove_wait_queue(&dev->lock.lock_queue, &entry);
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
if (ret) return ret;
sigemptyset(&dev->sigmask);
@ -152,6 +155,7 @@ int drm_unlock(struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_lock_t lock;
unsigned long irqflags;
if (copy_from_user(&lock, (drm_lock_t __user *) arg, sizeof(lock)))
return -EFAULT;
@ -162,6 +166,16 @@ int drm_unlock(struct inode *inode, struct file *filp,
return -EINVAL;
}
spin_lock_irqsave(&dev->tasklet_lock, irqflags);
if (dev->locked_tasklet_func) {
dev->locked_tasklet_func(dev);
dev->locked_tasklet_func = NULL;
}
spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
/* kernel_context_switch isn't used by any of the x86 drm
@ -170,12 +184,9 @@ int drm_unlock(struct inode *inode, struct file *filp,
if (dev->driver->kernel_context_switch_unlock)
dev->driver->kernel_context_switch_unlock(dev);
else {
drm_lock_transfer(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT);
if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
DRM_ERROR("\n");
lock.context)) {
/* FIXME: Should really bail out here. */
}
}
@ -201,7 +212,7 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context)
if (old & _DRM_LOCK_HELD)
new = old | _DRM_LOCK_CONT;
else
new = context | _DRM_LOCK_HELD;
new = context | _DRM_LOCK_HELD | _DRM_LOCK_CONT;
prev = cmpxchg(lock, old, new);
} while (prev != old);
if (_DRM_LOCKING_CONTEXT(old) == context) {
@ -213,13 +224,14 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context)
return 0;
}
}
if (new == (context | _DRM_LOCK_HELD)) {
if (new == (context | _DRM_LOCK_HELD | _DRM_LOCK_CONT)) {
/* Have lock */
return 1;
}
return 0;
}
#if 0
/**
* This takes a lock forcibly and hands it to context. Should ONLY be used
* inside *_unlock to give lock to kernel before calling *_dma_schedule.
@ -246,6 +258,7 @@ static int drm_lock_transfer(drm_device_t * dev,
} while (prev != old);
return 1;
}
#endif
/**
* Free lock.
@ -263,12 +276,12 @@ int drm_lock_free(drm_device_t * dev,
{
unsigned int old, new, prev;
dev->lock.filp = NULL;
do {
old = *lock;
new = 0;
new = _DRM_LOCKING_CONTEXT(old);
prev = cmpxchg(lock, old, new);
} while (prev != old);
if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {
DRM_ERROR("%d freed heavyweight lock held by %d\n",
context, _DRM_LOCKING_CONTEXT(old));
@ -308,3 +321,66 @@ static int drm_notifier(void *priv)
} while (prev != old);
return 0;
}
/*
* Can be used by drivers to take the hardware lock if necessary.
* (Waiting for idle before reclaiming buffers etc.)
*/
int drm_i_have_hw_lock(struct file *filp)
{
DRM_DEVICE;
return (priv->lock_count && dev->lock.hw_lock &&
_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) &&
dev->lock.filp == filp);
}
EXPORT_SYMBOL(drm_i_have_hw_lock);
int drm_kernel_take_hw_lock(struct file *filp)
{
DRM_DEVICE;
int ret = 0;
unsigned long _end = jiffies + 3*DRM_HZ;
if (!drm_i_have_hw_lock(filp)) {
DECLARE_WAITQUEUE(entry, current);
add_wait_queue(&dev->lock.lock_queue, &entry);
for (;;) {
__set_current_state(TASK_INTERRUPTIBLE);
if (!dev->lock.hw_lock) {
/* Device has been unregistered */
ret = -EINTR;
break;
}
if (drm_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
dev->lock.filp = filp;
dev->lock.lock_time = jiffies;
atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
break; /* Got lock */
}
/* Contention */
if (time_after_eq(jiffies,_end)) {
ret = -EBUSY;
break;
}
schedule_timeout(1);
if (signal_pending(current)) {
ret = -ERESTARTSYS;
break;
}
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(&dev->lock.lock_queue, &entry);
}
return ret;
}
EXPORT_SYMBOL(drm_kernel_take_hw_lock);

70
linux-core/drm_memory.c
View File

@ -33,10 +33,78 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include <linux/highmem.h>
#include "drmP.h"
static struct {
spinlock_t lock;
drm_u64_t cur_used;
drm_u64_t low_threshold;
drm_u64_t high_threshold;
} drm_memctl = {
.lock = SPIN_LOCK_UNLOCKED
};
static inline size_t drm_size_align(size_t size) {
register size_t tmpSize = 4;
if (size > PAGE_SIZE)
return PAGE_ALIGN(size);
while(tmpSize < size)
tmpSize <<= 1;
return (size_t) tmpSize;
}
int drm_alloc_memctl(size_t size)
{
int ret;
unsigned long a_size = drm_size_align(size);
spin_lock(&drm_memctl.lock);
ret = ((drm_memctl.cur_used + a_size) > drm_memctl.high_threshold) ?
-ENOMEM : 0;
if (!ret)
drm_memctl.cur_used += a_size;
spin_unlock(&drm_memctl.lock);
return ret;
}
EXPORT_SYMBOL(drm_alloc_memctl);
void drm_free_memctl(size_t size)
{
unsigned long a_size = drm_size_align(size);
spin_lock(&drm_memctl.lock);
drm_memctl.cur_used -= a_size;
spin_unlock(&drm_memctl.lock);
}
EXPORT_SYMBOL(drm_free_memctl);
void drm_query_memctl(drm_u64_t *cur_used,
drm_u64_t *low_threshold,
drm_u64_t *high_threshold)
{
spin_lock(&drm_memctl.lock);
*cur_used = drm_memctl.cur_used;
*low_threshold = drm_memctl.low_threshold;
*high_threshold = drm_memctl.high_threshold;
spin_unlock(&drm_memctl.lock);
}
EXPORT_SYMBOL(drm_query_memctl);
void drm_init_memctl(size_t p_low_threshold,
size_t p_high_threshold)
{
spin_lock(&drm_memctl.lock);
drm_memctl.cur_used = 0;
drm_memctl.low_threshold = p_low_threshold << PAGE_SHIFT;
drm_memctl.high_threshold = p_high_threshold << PAGE_SHIFT;
spin_unlock(&drm_memctl.lock);
}
#ifndef DEBUG_MEMORY
/** No-op. */

1
linux-core/drm_memory.h
View File

@ -33,7 +33,6 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include <linux/highmem.h>
#include <linux/vmalloc.h>
#include "drmP.h"

1
linux-core/drm_memory_debug.c
View File

@ -31,7 +31,6 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include "drmP.h"
#ifdef DEBUG_MEMORY

1
linux-core/drm_memory_debug.h
View File

@ -31,7 +31,6 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include "drmP.h"
typedef struct drm_mem_stats {

183
linux-core/drm_mm.c
View File

@ -42,36 +42,137 @@
*/
#include "drmP.h"
#include <linux/slab.h>
unsigned long drm_mm_tail_space(drm_mm_t *mm)
{
struct list_head *tail_node;
drm_mm_node_t *entry;
tail_node = mm->root_node.ml_entry.prev;
entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
if (!entry->free)
return 0;
return entry->size;
}
int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size)
{
struct list_head *tail_node;
drm_mm_node_t *entry;
tail_node = mm->root_node.ml_entry.prev;
entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
if (!entry->free)
return -ENOMEM;
if (entry->size <= size)
return -ENOMEM;
entry->size -= size;
return 0;
}
static int drm_mm_create_tail_node(drm_mm_t *mm,
unsigned long start,
unsigned long size)
{
drm_mm_node_t *child;
child = (drm_mm_node_t *)
drm_ctl_cache_alloc(drm_cache.mm, sizeof(*child),
GFP_KERNEL);
if (!child)
return -ENOMEM;
child->free = 1;
child->size = size;
child->start = start;
child->mm = mm;
list_add_tail(&child->ml_entry, &mm->root_node.ml_entry);
list_add_tail(&child->fl_entry, &mm->root_node.fl_entry);
return 0;
}
int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size)
{
struct list_head *tail_node;
drm_mm_node_t *entry;
tail_node = mm->root_node.ml_entry.prev;
entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
if (!entry->free) {
return drm_mm_create_tail_node(mm, entry->start + entry->size, size);
}
entry->size += size;
return 0;
}
static drm_mm_node_t *drm_mm_split_at_start(drm_mm_node_t *parent,
unsigned long size)
{
drm_mm_node_t *child;
child = (drm_mm_node_t *)
drm_ctl_cache_alloc(drm_cache.mm, sizeof(*child),
GFP_KERNEL);
if (!child)
return NULL;
INIT_LIST_HEAD(&child->fl_entry);
child->free = 0;
child->size = size;
child->start = parent->start;
child->mm = parent->mm;
list_add_tail(&child->ml_entry, &parent->ml_entry);
INIT_LIST_HEAD(&child->fl_entry);
parent->size -= size;
parent->start += size;
return child;
}
drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
unsigned long size, unsigned alignment)
{
drm_mm_node_t *align_splitoff = NULL;
drm_mm_node_t *child;
unsigned tmp = 0;
if (alignment)
size += alignment - 1;
tmp = size % alignment;
if (tmp) {
align_splitoff = drm_mm_split_at_start(parent, alignment - tmp);
if (!align_splitoff)
return NULL;
}
if (parent->size == size) {
list_del_init(&parent->fl_entry);
parent->free = 0;
return parent;
} else {
child = (drm_mm_node_t *) drm_alloc(sizeof(*child), DRM_MEM_MM);
if (!child)
child = drm_mm_split_at_start(parent, size);
if (!child) {
if (align_splitoff)
drm_mm_put_block(align_splitoff);
return NULL;
INIT_LIST_HEAD(&child->ml_entry);
INIT_LIST_HEAD(&child->fl_entry);
child->free = 0;
child->size = size;
child->start = parent->start;
list_add_tail(&child->ml_entry, &parent->ml_entry);
parent->size -= size;
parent->start += size;
}
}
if (align_splitoff)
drm_mm_put_block(align_splitoff);
return child;
}
@ -80,9 +181,10 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
* Otherwise add to the free stack.
*/
void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur)
void drm_mm_put_block(drm_mm_node_t * cur)
{
drm_mm_t *mm = cur->mm;
drm_mm_node_t *list_root = &mm->root_node;
struct list_head *cur_head = &cur->ml_entry;
struct list_head *root_head = &list_root->ml_entry;
@ -105,8 +207,9 @@ void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur)
prev_node->size += next_node->size;
list_del(&next_node->ml_entry);
list_del(&next_node->fl_entry);
drm_free(next_node, sizeof(*next_node),
DRM_MEM_MM);
drm_ctl_cache_free(drm_cache.mm,
sizeof(*next_node),
next_node);
} else {
next_node->size += cur->size;
next_node->start = cur->start;
@ -119,7 +222,7 @@ void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur)
list_add(&cur->fl_entry, &list_root->fl_entry);
} else {
list_del(&cur->ml_entry);
drm_free(cur, sizeof(*cur), DRM_MEM_MM);
drm_ctl_cache_free(drm_cache.mm, sizeof(*cur), cur);
}
}
@ -132,16 +235,23 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm,
drm_mm_node_t *entry;
drm_mm_node_t *best;
unsigned long best_size;
unsigned wasted;
best = NULL;
best_size = ~0UL;
if (alignment)
size += alignment - 1;
list_for_each(list, free_stack) {
entry = list_entry(list, drm_mm_node_t, fl_entry);
if (entry->size >= size) {
wasted = 0;
if (alignment) {
register unsigned tmp = size % alignment;
if (tmp)
wasted += alignment - tmp;
}
if (entry->size >= size + wasted) {
if (!best_match)
return entry;
if (size < best_size) {
@ -154,27 +264,19 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm,
return best;
}
int drm_mm_clean(drm_mm_t * mm)
{
struct list_head *head = &mm->root_node.ml_entry;
return (head->next->next == head);
}
int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size)
{
drm_mm_node_t *child;
INIT_LIST_HEAD(&mm->root_node.ml_entry);
INIT_LIST_HEAD(&mm->root_node.fl_entry);
child = (drm_mm_node_t *) drm_alloc(sizeof(*child), DRM_MEM_MM);
if (!child)
return -ENOMEM;
INIT_LIST_HEAD(&child->ml_entry);
INIT_LIST_HEAD(&child->fl_entry);
child->start = start;
child->size = size;
child->free = 1;
list_add(&child->fl_entry, &mm->root_node.fl_entry);
list_add(&child->ml_entry, &mm->root_node.ml_entry);
return 0;
return drm_mm_create_tail_node(mm, start, size);
}
EXPORT_SYMBOL(drm_mm_init);
@ -194,8 +296,7 @@ void drm_mm_takedown(drm_mm_t * mm)
list_del(&entry->fl_entry);
list_del(&entry->ml_entry);
drm_free(entry, sizeof(*entry), DRM_MEM_MM);
drm_ctl_cache_free(drm_cache.mm, sizeof(*entry), entry);
}
EXPORT_SYMBOL(drm_mm_takedown);

287
linux-core/drm_object.c Normal file
View File

@ -0,0 +1,287 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
#include "drmP.h"
int drm_add_user_object(drm_file_t * priv, drm_user_object_t * item,
int shareable)
{
drm_device_t *dev = priv->head->dev;
int ret;
atomic_set(&item->refcount, 1);
item->shareable = shareable;
item->owner = priv;
ret = drm_ht_just_insert_please(&dev->object_hash, &item->hash,
(unsigned long)item, 32, 0, 0);
if (ret)
return ret;
list_add_tail(&item->list, &priv->user_objects);
return 0;
}
drm_user_object_t *drm_lookup_user_object(drm_file_t * priv, uint32_t key)
{
drm_device_t *dev = priv->head->dev;
drm_hash_item_t *hash;
int ret;
drm_user_object_t *item;
ret = drm_ht_find_item(&dev->object_hash, key, &hash);
if (ret) {
return NULL;
}
item = drm_hash_entry(hash, drm_user_object_t, hash);
if (priv != item->owner) {
drm_open_hash_t *ht = &priv->refd_object_hash[_DRM_REF_USE];
ret = drm_ht_find_item(ht, (unsigned long)item, &hash);
if (ret) {
DRM_ERROR("Object not registered for usage\n");
return NULL;
}
}
return item;
}
static void drm_deref_user_object(drm_file_t * priv, drm_user_object_t * item)
{
drm_device_t *dev = priv->head->dev;
int ret;
if (atomic_dec_and_test(&item->refcount)) {
ret = drm_ht_remove_item(&dev->object_hash, &item->hash);
BUG_ON(ret);
list_del_init(&item->list);
item->remove(priv, item);
}
}
int drm_remove_user_object(drm_file_t * priv, drm_user_object_t * item)
{
if (item->owner != priv) {
DRM_ERROR("Cannot destroy object not owned by you.\n");
return -EINVAL;
}
item->owner = 0;
item->shareable = 0;
list_del_init(&item->list);
drm_deref_user_object(priv, item);
return 0;
}
static int drm_object_ref_action(drm_file_t * priv, drm_user_object_t * ro,
drm_ref_t action)
{
int ret = 0;
switch (action) {
case _DRM_REF_USE:
atomic_inc(&ro->refcount);
break;
default:
if (!ro->ref_struct_locked) {
break;
} else {
ro->ref_struct_locked(priv, ro, action);
}
}
return ret;
}
int drm_add_ref_object(drm_file_t * priv, drm_user_object_t * referenced_object,
drm_ref_t ref_action)
{
int ret = 0;
drm_ref_object_t *item;
drm_open_hash_t *ht = &priv->refd_object_hash[ref_action];
if (!referenced_object->shareable && priv != referenced_object->owner) {
DRM_ERROR("Not allowed to reference this object\n");
return -EINVAL;
}
/*
* If this is not a usage reference, Check that usage has been registered
* first. Otherwise strange things may happen on destruction.
*/
if ((ref_action != _DRM_REF_USE) && priv != referenced_object->owner) {
item =
drm_lookup_ref_object(priv, referenced_object,
_DRM_REF_USE);
if (!item) {
DRM_ERROR
("Object not registered for usage by this client\n");
return -EINVAL;
}
}
if (NULL !=
(item =
drm_lookup_ref_object(priv, referenced_object, ref_action))) {
atomic_inc(&item->refcount);
return drm_object_ref_action(priv, referenced_object,
ref_action);
}
item = drm_ctl_calloc(1, sizeof(*item), DRM_MEM_OBJECTS);
if (item == NULL) {
DRM_ERROR("Could not allocate reference object\n");
return -ENOMEM;
}
atomic_set(&item->refcount, 1);
item->hash.key = (unsigned long)referenced_object;
ret = drm_ht_insert_item(ht, &item->hash);
item->unref_action = ref_action;
if (ret)
goto out;
list_add(&item->list, &priv->refd_objects);
ret = drm_object_ref_action(priv, referenced_object, ref_action);
out:
return ret;
}
drm_ref_object_t *drm_lookup_ref_object(drm_file_t * priv,
drm_user_object_t * referenced_object,
drm_ref_t ref_action)
{
drm_hash_item_t *hash;
int ret;
ret = drm_ht_find_item(&priv->refd_object_hash[ref_action],
(unsigned long)referenced_object, &hash);
if (ret)
return NULL;
return drm_hash_entry(hash, drm_ref_object_t, hash);
}
static void drm_remove_other_references(drm_file_t * priv,
drm_user_object_t * ro)
{
int i;
drm_open_hash_t *ht;
drm_hash_item_t *hash;
drm_ref_object_t *item;
for (i = _DRM_REF_USE + 1; i < _DRM_NO_REF_TYPES; ++i) {
ht = &priv->refd_object_hash[i];
while (!drm_ht_find_item(ht, (unsigned long)ro, &hash)) {
item = drm_hash_entry(hash, drm_ref_object_t, hash);
drm_remove_ref_object(priv, item);
}
}
}
void drm_remove_ref_object(drm_file_t * priv, drm_ref_object_t * item)
{
int ret;
drm_user_object_t *user_object = (drm_user_object_t *) item->hash.key;
drm_open_hash_t *ht = &priv->refd_object_hash[item->unref_action];
drm_ref_t unref_action;
unref_action = item->unref_action;
if (atomic_dec_and_test(&item->refcount)) {
ret = drm_ht_remove_item(ht, &item->hash);
BUG_ON(ret);
list_del_init(&item->list);
if (unref_action == _DRM_REF_USE)
drm_remove_other_references(priv, user_object);
drm_ctl_free(item, sizeof(*item), DRM_MEM_OBJECTS);
}
switch (unref_action) {
case _DRM_REF_USE:
drm_deref_user_object(priv, user_object);
break;
default:
BUG_ON(!user_object->unref);
user_object->unref(priv, user_object, unref_action);
break;
}
}
int drm_user_object_ref(drm_file_t * priv, uint32_t user_token,
drm_object_type_t type, drm_user_object_t ** object)
{
drm_device_t *dev = priv->head->dev;
drm_user_object_t *uo;
int ret;
mutex_lock(&dev->struct_mutex);
uo = drm_lookup_user_object(priv, user_token);
if (!uo || (uo->type != type)) {
ret = -EINVAL;
goto out_err;
}
ret = drm_add_ref_object(priv, uo, _DRM_REF_USE);
if (ret)
goto out_err;
mutex_unlock(&dev->struct_mutex);
*object = uo;
DRM_ERROR("Referenced an object\n");
return 0;
out_err:
mutex_unlock(&dev->struct_mutex);
return ret;
}
int drm_user_object_unref(drm_file_t * priv, uint32_t user_token,
drm_object_type_t type)
{
drm_device_t *dev = priv->head->dev;
drm_user_object_t *uo;
drm_ref_object_t *ro;
int ret;
mutex_lock(&dev->struct_mutex);
uo = drm_lookup_user_object(priv, user_token);
if (!uo || (uo->type != type)) {
ret = -EINVAL;
goto out_err;
}
ro = drm_lookup_ref_object(priv, uo, _DRM_REF_USE);
if (!ro) {
ret = -EINVAL;
goto out_err;
}
drm_remove_ref_object(priv, ro);
mutex_unlock(&dev->struct_mutex);
DRM_ERROR("Unreferenced an object\n");
return 0;
out_err:
mutex_unlock(&dev->struct_mutex);
return ret;
}

18
linux-core/drm_pci.c
View File

@ -37,6 +37,7 @@
*/
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include "drmP.h"
/**********************************************************************/
@ -83,11 +84,7 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align,
return NULL;
dmah->size = size;
#if 0
dmah->vaddr = pci_alloc_consistent(dev->pdev, size, &dmah->busaddr);
#else
dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP);
#endif
#ifdef DRM_DEBUG_MEMORY
if (dmah->vaddr == NULL) {
@ -112,14 +109,12 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align,
memset(dmah->vaddr, 0, size);
#if 1
/* XXX - Is virt_to_page() legal for consistent mem? */
/* Reserve */
for (addr = (unsigned long)dmah->vaddr, sz = size;
sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
SetPageReserved(virt_to_page(addr));
}
#endif
return dmah;
}
@ -132,10 +127,8 @@ EXPORT_SYMBOL(drm_pci_alloc);
*/
void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah)
{
#if 1
unsigned long addr;
size_t sz;
#endif
#ifdef DRM_DEBUG_MEMORY
int area = DRM_MEM_DMA;
int alloc_count;
@ -147,21 +140,14 @@ void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah)
DRM_MEM_ERROR(area, "Attempt to free address 0\n");
#endif
} else {
#if 1
/* XXX - Is virt_to_page() legal for consistent mem? */
/* Unreserve */
for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
}
#endif
#if 0
pci_free_consistent(dev->pdev, dmah->size, dmah->vaddr,
dmah->busaddr);
#else
dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
dmah->busaddr);
#endif
}
#ifdef DRM_DEBUG_MEMORY
@ -181,7 +167,7 @@ void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah)
}
/**
* \brief Free a PCI consistent memory block.
* \brief Free a PCI consistent memory block
*/
void drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah)
{

103
linux-core/drm_proc.c
View File

@ -49,6 +49,8 @@ static int drm_queues_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
static int drm_bufs_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
static int drm_objects_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
#if DRM_DEBUG_CODE
static int drm_vma_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
@ -67,6 +69,7 @@ static struct drm_proc_list {
{"clients", drm_clients_info},
{"queues", drm_queues_info},
{"bufs", drm_bufs_info},
{"objects", drm_objects_info},
#if DRM_DEBUG_CODE
{"vma", drm_vma_info},
#endif
@ -238,10 +241,11 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
type = "??";
else
type = types[map->type];
DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08x ",
DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
i,
map->offset,
map->size, type, map->flags, r_list->user_token);
map->size, type, map->flags,
(unsigned long) r_list->user_token);
if (map->mtrr < 0) {
DRM_PROC_PRINT("none\n");
@ -258,7 +262,7 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
}
/**
* Simply calls _vm_info() while holding the drm_device::struct_sem lock.
* Simply calls _vm_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_vm_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
@ -331,7 +335,7 @@ static int drm__queues_info(char *buf, char **start, off_t offset,
}
/**
* Simply calls _queues_info() while holding the drm_device::struct_sem lock.
* Simply calls _queues_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_queues_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
@ -403,7 +407,7 @@ static int drm__bufs_info(char *buf, char **start, off_t offset, int request,
}
/**
* Simply calls _bufs_info() while holding the drm_device::struct_sem lock.
* Simply calls _bufs_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
@ -417,6 +421,89 @@ static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
return ret;
}
/**
* Called when "/proc/dri/.../objects" is read.
*
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \param request requested number of bytes.
* \param eof whether there is no more data to return.
* \param data private data.
* \return number of written bytes.
*/
static int drm__objects_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
{
drm_device_t *dev = (drm_device_t *) data;
int len = 0;
drm_buffer_manager_t *bm = &dev->bm;
drm_fence_manager_t *fm = &dev->fm;
drm_u64_t used_mem;
drm_u64_t low_mem;
drm_u64_t high_mem;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*start = &buf[offset];
*eof = 0;
if (fm->initialized) {
DRM_PROC_PRINT("Number of active fence objects: %d.\n\n",
atomic_read(&fm->count));
} else {
DRM_PROC_PRINT("Fence objects are not supported by this driver\n\n");
}
if (bm->initialized) {
DRM_PROC_PRINT("Number of active buffer objects: %d.\n\n",
atomic_read(&bm->count));
DRM_PROC_PRINT("Number of locked GATT pages: %lu.\n", bm->cur_pages);
} else {
DRM_PROC_PRINT("Buffer objects are not supported by this driver.\n\n");
}
drm_query_memctl(&used_mem, &low_mem, &high_mem);
if (used_mem > 16*PAGE_SIZE) {
DRM_PROC_PRINT("Used object memory is %lu pages.\n",
(unsigned long) (used_mem >> PAGE_SHIFT));
} else {
DRM_PROC_PRINT("Used object memory is %lu bytes.\n",
(unsigned long) used_mem);
}
DRM_PROC_PRINT("Soft object memory usage threshold is %lu pages.\n",
(unsigned long) (low_mem >> PAGE_SHIFT));
DRM_PROC_PRINT("Hard object memory usage threshold is %lu pages.\n",
(unsigned long) (high_mem >> PAGE_SHIFT));
DRM_PROC_PRINT("\n");
if (len > request + offset)
return request;
*eof = 1;
return len - offset;
}
/**
* Simply calls _objects_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_objects_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
{
drm_device_t *dev = (drm_device_t *) data;
int ret;
mutex_lock(&dev->struct_mutex);
ret = drm__objects_info(buf, start, offset, request, eof, data);
mutex_unlock(&dev->struct_mutex);
return ret;
}
/**
* Called when "/proc/dri/.../clients" is read.
*
@ -459,7 +546,7 @@ static int drm__clients_info(char *buf, char **start, off_t offset,
}
/**
* Simply calls _clients_info() while holding the drm_device::struct_sem lock.
* Simply calls _clients_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_clients_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
@ -500,7 +587,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request,
for (pt = dev->vmalist; pt; pt = pt->next) {
if (!(vma = pt->vma))
continue;
DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
pt->pid,
vma->vm_start,
vma->vm_end,
@ -510,7 +597,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request,
vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
vma->vm_flags & VM_LOCKED ? 'l' : '-',
vma->vm_flags & VM_IO ? 'i' : '-',
VM_OFFSET(vma));
vma->vm_pgoff);
#if defined(__i386__)
pgprot = pgprot_val(vma->vm_page_prot);

1
linux-core/drm_scatter.c
View File

@ -31,7 +31,6 @@
* DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include <linux/vmalloc.h>
#include "drmP.h"

5
linux-core/drm_sman.c
View File

@ -101,10 +101,9 @@ static void *drm_sman_mm_allocate(void *private, unsigned long size,
static void drm_sman_mm_free(void *private, void *ref)
{
drm_mm_t *mm = (drm_mm_t *) private;
drm_mm_node_t *node = (drm_mm_node_t *) ref;
drm_mm_put_block(mm, node);
drm_mm_put_block(node);
}
static void drm_sman_mm_destroy(void *private)
@ -114,7 +113,7 @@ static void drm_sman_mm_destroy(void *private)
drm_free(mm, sizeof(*mm), DRM_MEM_MM);
}
unsigned long drm_sman_mm_offset(void *private, void *ref)
static unsigned long drm_sman_mm_offset(void *private, void *ref)
{
drm_mm_node_t *node = (drm_mm_node_t *) ref;
return node->start;

39
linux-core/drm_stub.c
View File

@ -54,6 +54,11 @@ drm_head_t **drm_heads;
struct drm_sysfs_class *drm_class;
struct proc_dir_entry *drm_proc_root;
drm_cache_t drm_cache =
{ .mm = NULL,
.fence_object = NULL
};
static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
const struct pci_device_id *ent,
struct drm_driver *driver)
@ -61,31 +66,44 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
int retcode;
spin_lock_init(&dev->count_lock);
spin_lock_init(&dev->drw_lock);
spin_lock_init(&dev->tasklet_lock);
init_timer(&dev->timer);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->ctxlist_mutex);
mutex_init(&dev->bm.init_mutex);
dev->pdev = pdev;
dev->pci_device = pdev->device;
dev->pci_vendor = pdev->vendor;
#ifdef __alpha__
dev->hose = pdev->sysdata;
dev->pci_domain = dev->hose->bus->number;
#else
dev->pci_domain = 0;
#endif
dev->pci_bus = pdev->bus->number;
dev->pci_slot = PCI_SLOT(pdev->devfn);
dev->pci_func = PCI_FUNC(pdev->devfn);
dev->irq = pdev->irq;
if (drm_ht_create(&dev->map_hash, DRM_MAP_HASH_ORDER)) {
drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
return -ENOMEM;
}
if (drm_mm_init(&dev->offset_manager, DRM_FILE_PAGE_OFFSET_START,
DRM_FILE_PAGE_OFFSET_SIZE)) {
drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
drm_ht_remove(&dev->map_hash);
return -ENOMEM;
}
if (drm_ht_create(&dev->object_hash, DRM_OBJECT_HASH_ORDER)) {
drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
drm_ht_remove(&dev->map_hash);
drm_mm_takedown(&dev->offset_manager);
return -ENOMEM;
}
dev->maplist = drm_calloc(1, sizeof(*dev->maplist), DRM_MEM_MAPS);
if (dev->maplist == NULL)
return -ENOMEM;
INIT_LIST_HEAD(&dev->maplist->head);
if (drm_ht_create(&dev->map_hash, 12)) {
drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
return -ENOMEM;
}
/* the DRM has 6 counters */
dev->counters = 6;
@ -127,6 +145,7 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
goto error_out_unreg;
}
drm_fence_manager_init(dev);
return 0;
error_out_unreg:

1
linux-core/drm_sysfs.c
View File

@ -11,7 +11,6 @@
*
*/
#include <linux/config.h>
#include <linux/device.h>
#include <linux/kdev_t.h>
#include <linux/err.h>

519
linux-core/drm_ttm.c Normal file
View File

@ -0,0 +1,519 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
#include "drmP.h"
static void drm_ttm_ipi_handler(void *null)
{
flush_agp_cache();
}
static void drm_ttm_cache_flush(void)
{
if (on_each_cpu(drm_ttm_ipi_handler, NULL, 1, 1) != 0)
DRM_ERROR("Timed out waiting for drm cache flush.\n");
}
/*
* Use kmalloc if possible. Otherwise fall back to vmalloc.
*/
static void *ttm_alloc(unsigned long size, int type)
{
void *ret = NULL;
if (drm_alloc_memctl(size))
return NULL;
if (size <= PAGE_SIZE) {
ret = drm_alloc(size, type);
}
if (!ret) {
ret = vmalloc(size);
}
if (!ret) {
drm_free_memctl(size);
}
return ret;
}
static void ttm_free(void *pointer, unsigned long size, int type)
{
if ((unsigned long)pointer >= VMALLOC_START &&
(unsigned long)pointer <= VMALLOC_END) {
vfree(pointer);
} else {
drm_free(pointer, size, type);
}
drm_free_memctl(size);
}
/*
* Unmap all vma pages from vmas mapping this ttm.
*/
static int unmap_vma_pages(drm_ttm_t * ttm)
{
drm_device_t *dev = ttm->dev;
loff_t offset = ((loff_t) ttm->mapping_offset) << PAGE_SHIFT;
loff_t holelen = ((loff_t) ttm->num_pages) << PAGE_SHIFT;
#ifdef DRM_ODD_MM_COMPAT
int ret;
ret = drm_ttm_lock_mm(ttm);
if (ret)
return ret;
#endif
unmap_mapping_range(dev->dev_mapping, offset, holelen, 1);
#ifdef DRM_ODD_MM_COMPAT
drm_ttm_finish_unmap(ttm);
#endif
return 0;
}
/*
* Change caching policy for the linear kernel map
* for range of pages in a ttm.
*/
static int drm_set_caching(drm_ttm_t * ttm, int noncached)
{
int i;
struct page **cur_page;
int do_tlbflush = 0;
if ((ttm->page_flags & DRM_TTM_PAGE_UNCACHED) == noncached)
return 0;
if (noncached)
drm_ttm_cache_flush();
for (i = 0; i < ttm->num_pages; ++i) {
cur_page = ttm->pages + i;
if (*cur_page) {
if (!PageHighMem(*cur_page)) {
if (noncached) {
map_page_into_agp(*cur_page);
} else {
unmap_page_from_agp(*cur_page);
}
do_tlbflush = 1;
}
}
}
if (do_tlbflush)
flush_agp_mappings();
DRM_MASK_VAL(ttm->page_flags, DRM_TTM_PAGE_UNCACHED, noncached);
return 0;
}
/*
* Free all resources associated with a ttm.
*/
int drm_destroy_ttm(drm_ttm_t * ttm)
{
int i;
struct page **cur_page;
drm_ttm_backend_t *be;
if (!ttm)
return 0;
if (atomic_read(&ttm->vma_count) > 0) {
ttm->destroy = 1;
DRM_ERROR("VMAs are still alive. Skipping destruction.\n");
return -EBUSY;
}
DRM_DEBUG("Destroying a ttm\n");
#ifdef DRM_TTM_ODD_COMPAT
BUG_ON(!list_empty(&ttm->vma_list));
BUG_ON(!list_empty(&ttm->p_mm_list));
#endif
be = ttm->be;
if (be) {
be->destroy(be);
ttm->be = NULL;
}
if (ttm->pages) {
drm_buffer_manager_t *bm = &ttm->dev->bm;
if (ttm->page_flags & DRM_TTM_PAGE_UNCACHED)
drm_set_caching(ttm, 0);
for (i = 0; i < ttm->num_pages; ++i) {
cur_page = ttm->pages + i;
if (*cur_page) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
unlock_page(*cur_page);
#else
ClearPageReserved(*cur_page);
#endif
if (page_count(*cur_page) != 1) {
DRM_ERROR("Erroneous page count. "
"Leaking pages.\n");
}
if (page_mapped(*cur_page)) {
DRM_ERROR("Erroneous map count. "
"Leaking page mappings.\n");
}
/*
* End debugging.
*/
drm_free_gatt_pages(*cur_page, 0);
drm_free_memctl(PAGE_SIZE);
--bm->cur_pages;
}
}
ttm_free(ttm->pages, ttm->num_pages * sizeof(*ttm->pages),
DRM_MEM_TTM);
ttm->pages = NULL;
}
drm_ctl_free(ttm, sizeof(*ttm), DRM_MEM_TTM);
return 0;
}
static int drm_ttm_populate(drm_ttm_t * ttm)
{
struct page *page;
unsigned long i;
drm_buffer_manager_t *bm;
drm_ttm_backend_t *be;
if (ttm->state != ttm_unpopulated)
return 0;
bm = &ttm->dev->bm;
be = ttm->be;
for (i = 0; i < ttm->num_pages; ++i) {
page = ttm->pages[i];
if (!page) {
if (drm_alloc_memctl(PAGE_SIZE)) {
return -ENOMEM;
}
page = drm_alloc_gatt_pages(0);
if (!page) {
drm_free_memctl(PAGE_SIZE);
return -ENOMEM;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
SetPageLocked(page);
#else
SetPageReserved(page);
#endif
ttm->pages[i] = page;
++bm->cur_pages;
}
}
be->populate(be, ttm->num_pages, ttm->pages);
ttm->state = ttm_unbound;
return 0;
}
/*
* Initialize a ttm.
*/
static drm_ttm_t *drm_init_ttm(struct drm_device *dev, unsigned long size)
{
drm_bo_driver_t *bo_driver = dev->driver->bo_driver;
drm_ttm_t *ttm;
if (!bo_driver)
return NULL;
ttm = drm_ctl_calloc(1, sizeof(*ttm), DRM_MEM_TTM);
if (!ttm)
return NULL;
#ifdef DRM_ODD_MM_COMPAT
INIT_LIST_HEAD(&ttm->p_mm_list);
INIT_LIST_HEAD(&ttm->vma_list);
#endif
ttm->dev = dev;
atomic_set(&ttm->vma_count, 0);
ttm->destroy = 0;
ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
ttm->page_flags = 0;
/*
* Account also for AGP module memory usage.
*/
ttm->pages = ttm_alloc(ttm->num_pages * sizeof(*ttm->pages),
DRM_MEM_TTM);
if (!ttm->pages) {
drm_destroy_ttm(ttm);
DRM_ERROR("Failed allocating page table\n");
return NULL;
}
memset(ttm->pages, 0, ttm->num_pages * sizeof(*ttm->pages));
ttm->be = bo_driver->create_ttm_backend_entry(dev);
if (!ttm->be) {
drm_destroy_ttm(ttm);
DRM_ERROR("Failed creating ttm backend entry\n");
return NULL;
}
ttm->state = ttm_unpopulated;
return ttm;
}
/*
* Unbind a ttm region from the aperture.
*/
int drm_evict_ttm(drm_ttm_t * ttm)
{
drm_ttm_backend_t *be = ttm->be;
int ret;
switch (ttm->state) {
case ttm_bound:
if (be->needs_ub_cache_adjust(be)) {
ret = unmap_vma_pages(ttm);
if (ret) {
return ret;
}
}
be->unbind(be);
break;
default:
break;
}
ttm->state = ttm_evicted;
return 0;
}
void drm_fixup_ttm_caching(drm_ttm_t * ttm)
{
if (ttm->state == ttm_evicted) {
drm_ttm_backend_t *be = ttm->be;
if (be->needs_ub_cache_adjust(be)) {
drm_set_caching(ttm, 0);
}
ttm->state = ttm_unbound;
}
}
int drm_unbind_ttm(drm_ttm_t * ttm)
{
int ret = 0;
if (ttm->state == ttm_bound)
ret = drm_evict_ttm(ttm);
if (ret)
return ret;
drm_fixup_ttm_caching(ttm);
return 0;
}
int drm_bind_ttm(drm_ttm_t * ttm, int cached, unsigned long aper_offset)
{
int ret = 0;
drm_ttm_backend_t *be;
if (!ttm)
return -EINVAL;
if (ttm->state == ttm_bound)
return 0;
be = ttm->be;
ret = drm_ttm_populate(ttm);
if (ret)
return ret;
if (ttm->state == ttm_unbound && !cached) {
ret = unmap_vma_pages(ttm);
if (ret)
return ret;
drm_set_caching(ttm, DRM_TTM_PAGE_UNCACHED);
}
#ifdef DRM_ODD_MM_COMPAT
else if (ttm->state == ttm_evicted && !cached) {
ret = drm_ttm_lock_mm(ttm);
if (ret)
return ret;
}
#endif
if ((ret = be->bind(be, aper_offset, cached))) {
ttm->state = ttm_evicted;
#ifdef DRM_ODD_MM_COMPAT
if (be->needs_ub_cache_adjust(be))
drm_ttm_unlock_mm(ttm);
#endif
DRM_ERROR("Couldn't bind backend.\n");
return ret;
}
ttm->aper_offset = aper_offset;
ttm->state = ttm_bound;
#ifdef DRM_ODD_MM_COMPAT
if (be->needs_ub_cache_adjust(be)) {
ret = drm_ttm_remap_bound(ttm);
if (ret)
return ret;
}
#endif
return 0;
}
/*
* dev->struct_mutex locked.
*/
static void drm_ttm_object_remove(drm_device_t * dev, drm_ttm_object_t * object)
{
drm_map_list_t *list = &object->map_list;
drm_local_map_t *map;
if (list->user_token)
drm_ht_remove_item(&dev->map_hash, &list->hash);
if (list->file_offset_node) {
drm_mm_put_block(list->file_offset_node);
list->file_offset_node = NULL;
}
map = list->map;
if (map) {
drm_ttm_t *ttm = (drm_ttm_t *) map->offset;
if (ttm) {
if (drm_destroy_ttm(ttm) != -EBUSY) {
drm_ctl_free(map, sizeof(*map), DRM_MEM_TTM);
}
} else {
drm_ctl_free(map, sizeof(*map), DRM_MEM_TTM);
}
}
drm_ctl_free(object, sizeof(*object), DRM_MEM_TTM);
}
void drm_ttm_object_deref_locked(drm_device_t * dev, drm_ttm_object_t * to)
{
if (atomic_dec_and_test(&to->usage)) {
drm_ttm_object_remove(dev, to);
}
}
void drm_ttm_object_deref_unlocked(drm_device_t * dev, drm_ttm_object_t * to)
{
if (atomic_dec_and_test(&to->usage)) {
mutex_lock(&dev->struct_mutex);
if (atomic_read(&to->usage) == 0)
drm_ttm_object_remove(dev, to);
mutex_unlock(&dev->struct_mutex);
}
}
/*
* Create a ttm and add it to the drm book-keeping.
* dev->struct_mutex locked.
*/
int drm_ttm_object_create(drm_device_t * dev, unsigned long size,
uint32_t flags, drm_ttm_object_t ** ttm_object)
{
drm_ttm_object_t *object;
drm_map_list_t *list;
drm_local_map_t *map;
drm_ttm_t *ttm;
object = drm_ctl_calloc(1, sizeof(*object), DRM_MEM_TTM);
if (!object)
return -ENOMEM;
object->flags = flags;
list = &object->map_list;
list->map = drm_ctl_calloc(1, sizeof(*map), DRM_MEM_TTM);
if (!list->map) {
drm_ttm_object_remove(dev, object);
return -ENOMEM;
}
map = list->map;
ttm = drm_init_ttm(dev, size);
if (!ttm) {
DRM_ERROR("Could not create ttm\n");
drm_ttm_object_remove(dev, object);
return -ENOMEM;
}
map->offset = (unsigned long)ttm;
map->type = _DRM_TTM;
map->flags = _DRM_REMOVABLE;
map->size = ttm->num_pages * PAGE_SIZE;
map->handle = (void *)object;
/*
* Add a one-page "hole" to the block size to avoid the mm subsystem
* merging vmas.
* FIXME: Is this really needed?
*/
list->file_offset_node = drm_mm_search_free(&dev->offset_manager,
ttm->num_pages + 1, 0, 0);
if (!list->file_offset_node) {
drm_ttm_object_remove(dev, object);
return -ENOMEM;
}
list->file_offset_node = drm_mm_get_block(list->file_offset_node,
ttm->num_pages + 1, 0);
list->hash.key = list->file_offset_node->start;
if (drm_ht_insert_item(&dev->map_hash, &list->hash)) {
drm_ttm_object_remove(dev, object);
return -ENOMEM;
}
list->user_token = ((drm_u64_t) list->hash.key) << PAGE_SHIFT;
ttm->mapping_offset = list->hash.key;
atomic_set(&object->usage, 1);
*ttm_object = object;
return 0;
}

145
linux-core/drm_ttm.h Normal file
View File

@ -0,0 +1,145 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#ifndef _DRM_TTM_H
#define _DRM_TTM_H
#define DRM_HAS_TTM
/*
* The backend GART interface. (In our case AGP). Any similar type of device (PCIE?)
* needs only to implement these functions to be usable with the "TTM" interface.
* The AGP backend implementation lives in drm_agpsupport.c
* basically maps these calls to available functions in agpgart. Each drm device driver gets an
* additional function pointer that creates these types,
* so that the device can choose the correct aperture.
* (Multiple AGP apertures, etc.)
* Most device drivers will let this point to the standard AGP implementation.
*/
#define DRM_BE_FLAG_NEEDS_FREE 0x00000001
#define DRM_BE_FLAG_BOUND_CACHED 0x00000002
#define DRM_BE_FLAG_CBA 0x00000004
typedef struct drm_ttm_backend {
unsigned long aperture_base;
void *private;
uint32_t flags;
uint32_t drm_map_type;
int (*needs_ub_cache_adjust) (struct drm_ttm_backend * backend);
int (*populate) (struct drm_ttm_backend * backend,
unsigned long num_pages, struct page ** pages);
void (*clear) (struct drm_ttm_backend * backend);
int (*bind) (struct drm_ttm_backend * backend,
unsigned long offset, int cached);
int (*unbind) (struct drm_ttm_backend * backend);
void (*destroy) (struct drm_ttm_backend * backend);
} drm_ttm_backend_t;
typedef struct drm_ttm {
struct page **pages;
uint32_t page_flags;
unsigned long num_pages;
unsigned long aper_offset;
atomic_t vma_count;
struct drm_device *dev;
int destroy;
uint32_t mapping_offset;
drm_ttm_backend_t *be;
enum {
ttm_bound,
ttm_evicted,
ttm_unbound,
ttm_unpopulated,
} state;
#ifdef DRM_ODD_MM_COMPAT
struct list_head vma_list;
struct list_head p_mm_list;
#endif
} drm_ttm_t;
typedef struct drm_ttm_object {
atomic_t usage;
uint32_t flags;
drm_map_list_t map_list;
} drm_ttm_object_t;
extern int drm_ttm_object_create(struct drm_device *dev, unsigned long size,
uint32_t flags,
drm_ttm_object_t ** ttm_object);
extern void drm_ttm_object_deref_locked(struct drm_device *dev,
drm_ttm_object_t * to);
extern void drm_ttm_object_deref_unlocked(struct drm_device *dev,
drm_ttm_object_t * to);
extern drm_ttm_object_t *drm_lookup_ttm_object(drm_file_t * priv,
uint32_t handle,
int check_owner);
extern int drm_bind_ttm(drm_ttm_t * ttm, int cached, unsigned long aper_offset);
extern int drm_unbind_ttm(drm_ttm_t * ttm);
/*
* Evict a ttm region. Keeps Aperture caching policy.
*/
extern int drm_evict_ttm(drm_ttm_t * ttm);
extern void drm_fixup_ttm_caching(drm_ttm_t * ttm);
/*
* Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this,
* which calls this function iff there are no vmas referencing it anymore. Otherwise it is called
* when the last vma exits.
*/
extern int drm_destroy_ttm(drm_ttm_t * ttm);
extern int drm_ttm_ioctl(DRM_IOCTL_ARGS);
static __inline__ drm_ttm_t *drm_ttm_from_object(drm_ttm_object_t * to)
{
return (drm_ttm_t *) to->map_list.map->offset;
}
#define DRM_MASK_VAL(dest, mask, val) \
(dest) = ((dest) & ~(mask)) | ((val) & (mask));
#define DRM_TTM_MASK_FLAGS ((1 << PAGE_SHIFT) - 1)
#define DRM_TTM_MASK_PFN (0xFFFFFFFFU - DRM_TTM_MASK_FLAGS)
/*
* Page flags.
*/
#define DRM_TTM_PAGE_UNCACHED 0x01
#define DRM_TTM_PAGE_USED 0x02
#define DRM_TTM_PAGE_BOUND 0x04
#define DRM_TTM_PAGE_PRESENT 0x08
#endif

275
linux-core/drm_vm.c
View File

@ -34,12 +34,42 @@
*/
#include "drmP.h"
#if defined(__ia64__)
#include <linux/efi.h>
#endif
static void drm_vm_open(struct vm_area_struct *vma);
static void drm_vm_close(struct vm_area_struct *vma);
static void drm_vm_ttm_close(struct vm_area_struct *vma);
static int drm_vm_ttm_open(struct vm_area_struct *vma);
static void drm_vm_ttm_open_wrapper(struct vm_area_struct *vma);
pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma)
{
pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
#if defined(__i386__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3 && map_type != _DRM_AGP) {
pgprot_val(tmp) |= _PAGE_PCD;
pgprot_val(tmp) &= ~_PAGE_PWT;
}
#elif defined(__powerpc__)
pgprot_val(tmp) |= _PAGE_NO_CACHE;
if (map_type == _DRM_REGISTERS)
pgprot_val(tmp) |= _PAGE_GUARDED;
#endif
#if defined(__ia64__)
if (efi_range_is_wc(vma->vm_start, vma->vm_end -
vma->vm_start))
tmp = pgprot_writecombine(tmp);
else
tmp = pgprot_noncached(tmp);
#endif
return tmp;
}
/**
* \c nopage method for AGP virtual memory.
@ -59,7 +89,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
drm_device_t *dev = priv->head->dev;
drm_map_t *map = NULL;
drm_map_list_t *r_list;
drm_hash_item_t *hash;
drm_hash_item_t *hash;
/*
* Find the right map
@ -70,10 +100,10 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
if (!dev->agp || !dev->agp->cant_use_aperture)
goto vm_nopage_error;
if (drm_ht_find_item(&dev->map_hash, VM_OFFSET(vma), &hash))
goto vm_nopage_error;
if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash))
goto vm_nopage_error;
r_list = drm_hash_entry(hash, drm_map_list_t, hash);
r_list = drm_hash_entry(hash, drm_map_list_t, hash);
map = r_list->map;
if (map && map->type == _DRM_AGP) {
@ -129,6 +159,95 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
}
#endif /* __OS_HAS_AGP */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) || \
LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
static
#endif
struct page *drm_vm_ttm_fault(struct vm_area_struct *vma,
struct fault_data *data)
{
unsigned long address = data->address;
drm_local_map_t *map = (drm_local_map_t *) vma->vm_private_data;
unsigned long page_offset;
struct page *page;
drm_ttm_t *ttm;
drm_buffer_manager_t *bm;
drm_device_t *dev;
unsigned long pfn;
int err;
pgprot_t pgprot;
if (!map) {
data->type = VM_FAULT_OOM;
return NULL;
}
if (address > vma->vm_end) {
data->type = VM_FAULT_SIGBUS;
return NULL;
}
ttm = (drm_ttm_t *) map->offset;
dev = ttm->dev;
/*
* Perhaps retry here?
*/
mutex_lock(&dev->struct_mutex);
drm_fixup_ttm_caching(ttm);
bm = &dev->bm;
page_offset = (address - vma->vm_start) >> PAGE_SHIFT;
page = ttm->pages[page_offset];
if (!page) {
if (drm_alloc_memctl(PAGE_SIZE)) {
data->type = VM_FAULT_OOM;
goto out;
}
page = ttm->pages[page_offset] = drm_alloc_gatt_pages(0);
if (!page) {
drm_free_memctl(PAGE_SIZE);
data->type = VM_FAULT_OOM;
goto out;
}
++bm->cur_pages;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
SetPageLocked(page);
#else
SetPageReserved(page);
#endif
}
if (ttm->page_flags & DRM_TTM_PAGE_UNCACHED) {
/*
* FIXME: Check can't map aperture flag.
*/
pfn = ttm->aper_offset + page_offset +
(ttm->be->aperture_base >> PAGE_SHIFT);
pgprot = drm_io_prot(ttm->be->drm_map_type, vma);
} else {
pfn = page_to_pfn(page);
pgprot = vma->vm_page_prot;
}
err = vm_insert_pfn(vma, address, pfn, pgprot);
if (!err || err == -EBUSY)
data->type = VM_FAULT_MINOR;
else
data->type = VM_FAULT_OOM;
out:
mutex_unlock(&dev->struct_mutex);
return NULL;
}
#endif
/**
* \c nopage method for shared virtual memory.
*
@ -198,7 +317,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
} else {
dev->vmalist = pt->next;
}
drm_free(pt, sizeof(*pt), DRM_MEM_VMAS);
drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS);
} else {
prev = pt;
}
@ -243,6 +362,9 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
dmah.size = map->size;
__drm_pci_free(dev, &dmah);
break;
case _DRM_TTM:
BUG_ON(1);
break;
}
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
}
@ -358,6 +480,7 @@ static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
return drm_do_vm_sg_nopage(vma, address);
}
#else /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */
static struct page *drm_vm_nopage(struct vm_area_struct *vma,
@ -414,6 +537,20 @@ static struct vm_operations_struct drm_vm_sg_ops = {
.close = drm_vm_close,
};
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
static struct vm_operations_struct drm_vm_ttm_ops = {
.nopage = drm_vm_ttm_nopage,
.open = drm_vm_ttm_open_wrapper,
.close = drm_vm_ttm_close,
};
#else
static struct vm_operations_struct drm_vm_ttm_ops = {
.fault = drm_vm_ttm_fault,
.open = drm_vm_ttm_open_wrapper,
.close = drm_vm_ttm_close,
};
#endif
/**
* \c open method for shared virtual memory.
*
@ -432,7 +569,7 @@ static void drm_vm_open(struct vm_area_struct *vma)
vma->vm_start, vma->vm_end - vma->vm_start);
atomic_inc(&dev->vma_count);
vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS);
vma_entry = drm_ctl_alloc(sizeof(*vma_entry), DRM_MEM_VMAS);
if (vma_entry) {
mutex_lock(&dev->struct_mutex);
vma_entry->vma = vma;
@ -443,6 +580,29 @@ static void drm_vm_open(struct vm_area_struct *vma)
}
}
static int drm_vm_ttm_open(struct vm_area_struct *vma) {
drm_local_map_t *map = (drm_local_map_t *)vma->vm_private_data;
drm_ttm_t *ttm;
drm_file_t *priv = vma->vm_file->private_data;
drm_device_t *dev = priv->head->dev;
drm_vm_open(vma);
mutex_lock(&dev->struct_mutex);
ttm = (drm_ttm_t *) map->offset;
atomic_inc(&ttm->vma_count);
#ifdef DRM_ODD_MM_COMPAT
drm_ttm_add_vma(ttm, vma);
#endif
mutex_unlock(&dev->struct_mutex);
return 0;
}
static void drm_vm_ttm_open_wrapper(struct vm_area_struct *vma)
{
drm_vm_ttm_open(vma);
}
/**
* \c close method for all virtual memory types.
*
@ -469,13 +629,42 @@ static void drm_vm_close(struct vm_area_struct *vma)
} else {
dev->vmalist = pt->next;
}
drm_free(pt, sizeof(*pt), DRM_MEM_VMAS);
drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS);
break;
}
}
mutex_unlock(&dev->struct_mutex);
}
static void drm_vm_ttm_close(struct vm_area_struct *vma)
{
drm_local_map_t *map = (drm_local_map_t *) vma->vm_private_data;
drm_ttm_t *ttm;
drm_device_t *dev;
int ret;
drm_vm_close(vma);
if (map) {
ttm = (drm_ttm_t *) map->offset;
dev = ttm->dev;
mutex_lock(&dev->struct_mutex);
#ifdef DRM_ODD_MM_COMPAT
drm_ttm_delete_vma(ttm, vma);
#endif
if (atomic_dec_and_test(&ttm->vma_count)) {
if (ttm->destroy) {
ret = drm_destroy_ttm(ttm);
BUG_ON(ret);
drm_ctl_free(map, sizeof(*map), DRM_MEM_TTM);
}
}
mutex_unlock(&dev->struct_mutex);
}
return;
}
/**
* mmap DMA memory.
*
@ -496,8 +685,8 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
lock_kernel();
dev = priv->head->dev;
dma = dev->dma;
DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
vma->vm_start, vma->vm_end, VM_OFFSET(vma));
DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
vma->vm_start, vma->vm_end, vma->vm_pgoff);
/* Length must match exact page count */
if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
@ -506,6 +695,22 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
}
unlock_kernel();
if (!capable(CAP_SYS_ADMIN) &&
(dma->flags & _DRM_DMA_USE_PCI_RO)) {
vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
#if defined(__i386__) || defined(__x86_64__)
pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
#else
/* Ye gads this is ugly. With more thought
we could move this up higher and use
`protection_map' instead. */
vma->vm_page_prot =
__pgprot(pte_val
(pte_wrprotect
(__pte(pgprot_val(vma->vm_page_prot)))));
#endif
}
vma->vm_ops = &drm_vm_dma_ops;
#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */
@ -554,10 +759,10 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
drm_device_t *dev = priv->head->dev;
drm_map_t *map = NULL;
unsigned long offset = 0;
drm_hash_item_t *hash;
drm_hash_item_t *hash;
DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
vma->vm_start, vma->vm_end, VM_OFFSET(vma));
DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
vma->vm_start, vma->vm_end, vma->vm_pgoff);
if (!priv->authenticated)
return -EACCES;
@ -566,7 +771,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
* the AGP mapped at physical address 0
* --BenH.
*/
if (!VM_OFFSET(vma)
if (!vma->vm_pgoff
#if __OS_HAS_AGP
&& (!dev->agp
|| dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE)
@ -574,11 +779,11 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
)
return drm_mmap_dma(filp, vma);
if (drm_ht_find_item(&dev->map_hash, VM_OFFSET(vma), &hash)) {
DRM_ERROR("Could not find map\n");
if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff , &hash)) {
DRM_ERROR("Could not find map\n");
return -EINVAL;
}
}
map = drm_hash_entry(hash,drm_map_list_t, hash)->map;
if (!map || ((map->flags & _DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN)))
@ -620,27 +825,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
/* fall through to _DRM_FRAME_BUFFER... */
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
#if defined(__i386__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
}
#elif defined(__powerpc__)
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
if (map->type == _DRM_REGISTERS)
pgprot_val(vma->vm_page_prot) |= _PAGE_GUARDED;
#endif
vma->vm_flags |= VM_IO; /* not in core dump */
#if defined(__ia64__)
if (efi_range_is_wc(vma->vm_start, vma->vm_end -
vma->vm_start))
vma->vm_page_prot =
pgprot_writecombine(vma->vm_page_prot);
else
vma->vm_page_prot =
pgprot_noncached(vma->vm_page_prot);
#endif
offset = dev->driver->get_reg_ofs(dev);
vma->vm_flags |= VM_IO; /* not in core dump */
vma->vm_page_prot = drm_io_prot(map->type, vma);
#ifdef __sparc__
if (io_remap_pfn_range(vma, vma->vm_start,
(map->offset + offset) >>PAGE_SHIFT,
@ -687,6 +874,20 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED;
#endif
break;
case _DRM_TTM: {
vma->vm_ops = &drm_vm_ttm_ops;
vma->vm_private_data = (void *) map;
vma->vm_file = filp;
vma->vm_flags |= VM_RESERVED | VM_IO;
#ifdef DRM_ODD_MM_COMPAT
mutex_lock(&dev->struct_mutex);
drm_ttm_map_bound(vma);
mutex_unlock(&dev->struct_mutex);
#endif
if (drm_vm_ttm_open(vma))
return -EAGAIN;
return 0;
}
default:
return -EINVAL; /* This should never happen. */
}

1
linux-core/ffb_drv.c
View File

@ -4,7 +4,6 @@
* Copyright (C) 2000 David S. Miller (davem@redhat.com)
*/
#include <linux/config.h>
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <asm/shmparam.h>

10
linux-core/i810_dma.c
View File

@ -151,7 +151,7 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
drm_device_t *dev = priv->head->dev;
drm_i810_buf_priv_t *buf_priv = buf->dev_private;
drm_i810_private_t *dev_priv = dev->dev_private;
struct file_operations *old_fops;
const struct file_operations *old_fops;
int retcode = 0;
if (buf_priv->currently_mapped == I810_BUF_MAPPED)
@ -166,10 +166,10 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
MAP_SHARED, buf->bus_address);
dev_priv->mmap_buffer = NULL;
filp->f_op = old_fops;
if ((unsigned long)buf_priv->virtual > -1024UL) {
if (IS_ERR(buf_priv->virtual)) {
/* Real error */
DRM_ERROR("mmap error\n");
retcode = (signed int)buf_priv->virtual;
retcode = PTR_ERR(buf_priv->virtual);
buf_priv->virtual = NULL;
}
up_write(&current->mm->mmap_sem);
@ -833,7 +833,7 @@ static void i810_dma_dispatch_vertex(drm_device_t * dev,
((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2)));
if (used & 4) {
*(u32 *) ((u32) buf_priv->kernel_virtual + used) = 0;
*(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0;
used += 4;
}
@ -1191,7 +1191,7 @@ static void i810_dma_dispatch_mc(drm_device_t * dev, drm_buf_t * buf, int used,
if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
if (used & 4) {
*(u32 *) ((u32) buf_priv->virtual + used) = 0;
*(u32 *) ((char *) buf_priv->virtual + used) = 0;
used += 4;
}

1
linux-core/i810_drv.c
View File

@ -30,7 +30,6 @@
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "i810_drm.h"

20
linux-core/i810_drv.h
View File

@ -141,8 +141,8 @@ extern int i810_max_ioctl;
volatile char *virt;
#define BEGIN_LP_RING(n) do { \
if (I810_VERBOSE) \
DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", n, __FUNCTION__); \
if (I810_VERBOSE) \
DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", n, __FUNCTION__);\
if (dev_priv->ring.space < n*4) \
i810_wait_ring(dev, n*4); \
dev_priv->ring.space -= n*4; \
@ -151,17 +151,17 @@ extern int i810_max_ioctl;
virt = dev_priv->ring.virtual_start; \
} while (0)
#define ADVANCE_LP_RING() do { \
#define ADVANCE_LP_RING() do { \
if (I810_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n"); \
dev_priv->ring.tail = outring; \
I810_WRITE(LP_RING + RING_TAIL, outring); \
dev_priv->ring.tail = outring; \
I810_WRITE(LP_RING + RING_TAIL, outring); \
} while(0)
#define OUT_RING(n) do { \
#define OUT_RING(n) do { \
if (I810_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
*(volatile unsigned int *)(virt + outring) = n; \
outring += 4; \
outring &= ringmask; \
*(volatile unsigned int *)(virt + outring) = n; \
outring += 4; \
outring &= ringmask; \
} while (0)
#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23))
@ -193,7 +193,7 @@ extern int i810_max_ioctl;
#define HEAD_WRAP_ONE 0x00200000
#define HEAD_ADDR 0x001FFFFC
#define RING_START 0x08
#define START_ADDR 0x00FFFFF8
#define START_ADDR 0x00FFFFF8
#define RING_LEN 0x0C
#define RING_NR_PAGES 0x000FF000
#define RING_REPORT_MASK 0x00000006

4
linux-core/i830_dma.c
View File

@ -137,7 +137,7 @@ static int i830_map_buffer(drm_buf_t * buf, struct file *filp)
drm_device_t *dev = priv->head->dev;
drm_i830_buf_priv_t *buf_priv = buf->dev_private;
drm_i830_private_t *dev_priv = dev->dev_private;
struct file_operations *old_fops;
const struct file_operations *old_fops;
unsigned long virtual;
int retcode = 0;
@ -155,7 +155,7 @@ static int i830_map_buffer(drm_buf_t * buf, struct file *filp)
if (IS_ERR((void *)virtual)) { /* ugh */
/* Real error */
DRM_ERROR("mmap error\n");
retcode = virtual;
retcode = PTR_ERR((void *)virtual);
buf_priv->virtual = NULL;
} else {
buf_priv->virtual = (void __user *)virtual;

2
linux-core/i830_drv.c
View File

@ -32,8 +32,6 @@
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "i830_drm.h"

66
linux-core/i915_buffer.c Normal file
View File

@ -0,0 +1,66 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#include "drmP.h"
#include "i915_drm.h"
#include "i915_drv.h"
drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t * dev)
{
return drm_agp_init_ttm(dev, NULL);
}
int i915_fence_types(uint32_t buffer_flags, uint32_t * class, uint32_t * type)
{
*class = 0;
if (buffer_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
*type = 3;
else
*type = 1;
return 0;
}
int i915_invalidate_caches(drm_device_t * dev, uint32_t flags)
{
/*
* FIXME: Only emit once per batchbuffer submission.
*/
uint32_t flush_cmd = MI_NO_WRITE_FLUSH;
if (flags & DRM_BO_FLAG_READ)
flush_cmd |= MI_READ_FLUSH;
if (flags & DRM_BO_FLAG_EXE)
flush_cmd |= MI_EXE_FLUSH;
return i915_emit_mi_flush(dev, flush_cmd);
}

32
linux-core/i915_drv.c
View File

@ -38,6 +38,27 @@ static struct pci_device_id pciidlist[] = {
i915_PCI_IDS
};
#ifdef I915_HAVE_FENCE
static drm_fence_driver_t i915_fence_driver = {
.no_types = 2,
.wrap_diff = (1 << 30),
.flush_diff = (1 << 29),
.sequence_mask = 0xffffffffU,
.lazy_capable = 1,
.emit = i915_fence_emit_sequence,
.poke_flush = i915_poke_flush,
};
#endif
#ifdef I915_HAVE_BUFFER
static drm_bo_driver_t i915_bo_driver = {
.iomap = {NULL, NULL},
.cached = {1, 1},
.create_ttm_backend_entry = i915_create_ttm_backend_entry,
.fence_type = i915_fence_types,
.invalidate_caches = i915_invalidate_caches
};
#endif
static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
/* don't use mtrr's here, the Xserver or user space app should
@ -45,12 +66,14 @@ static struct drm_driver driver = {
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR | */
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
DRIVER_IRQ_VBL2,
.load = i915_driver_load,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
.device_is_agp = i915_driver_device_is_agp,
.vblank_wait = i915_driver_vblank_wait,
.vblank_wait2 = i915_driver_vblank_wait2,
.irq_preinstall = i915_driver_irq_preinstall,
.irq_postinstall = i915_driver_irq_postinstall,
.irq_uninstall = i915_driver_irq_uninstall,
@ -77,7 +100,12 @@ static struct drm_driver driver = {
.probe = probe,
.remove = __devexit_p(drm_cleanup_pci),
},
#ifdef I915_HAVE_FENCE
.fence_driver = &i915_fence_driver,
#endif
#ifdef I915_HAVE_BUFFER
.bo_driver = &i915_bo_driver,
#endif
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,

146
linux-core/i915_fence.c Normal file
View File

@ -0,0 +1,146 @@
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
/*
* Implements an intel sync flush operation.
*/
static void i915_perform_flush(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
drm_fence_manager_t *fm = &dev->fm;
drm_fence_driver_t *driver = dev->driver->fence_driver;
uint32_t flush_flags = 0;
uint32_t flush_sequence = 0;
uint32_t i_status;
uint32_t diff;
uint32_t sequence;
if (!dev_priv)
return;
if (fm->pending_exe_flush) {
sequence = READ_BREADCRUMB(dev_priv);
/*
* First update fences with the current breadcrumb.
*/
diff = sequence - fm->last_exe_flush;
if (diff < driver->wrap_diff && diff != 0) {
drm_fence_handler(dev, sequence, DRM_FENCE_TYPE_EXE);
}
diff = sequence - fm->exe_flush_sequence;
if (diff < driver->wrap_diff) {
fm->pending_exe_flush = 0;
if (dev_priv->fence_irq_on) {
i915_user_irq_off(dev_priv);
dev_priv->fence_irq_on = 0;
}
} else if (!dev_priv->fence_irq_on) {
i915_user_irq_on(dev_priv);
dev_priv->fence_irq_on = 1;
}
}
if (dev_priv->flush_pending) {
i_status = READ_HWSP(dev_priv, 0);
if ((i_status & (1 << 12)) !=
(dev_priv->saved_flush_status & (1 << 12))) {
flush_flags = dev_priv->flush_flags;
flush_sequence = dev_priv->flush_sequence;
dev_priv->flush_pending = 0;
drm_fence_handler(dev, flush_sequence, flush_flags);
}
}
if (fm->pending_flush && !dev_priv->flush_pending) {
dev_priv->flush_sequence = (uint32_t) READ_BREADCRUMB(dev_priv);
dev_priv->flush_flags = fm->pending_flush;
dev_priv->saved_flush_status = READ_HWSP(dev_priv, 0);
I915_WRITE(I915REG_INSTPM, (1 << 5) | (1 << 21));
dev_priv->flush_pending = 1;
fm->pending_flush = 0;
}
if (dev_priv->flush_pending) {
i_status = READ_HWSP(dev_priv, 0);
if ((i_status & (1 << 12)) !=
(dev_priv->saved_flush_status & (1 << 12))) {
flush_flags = dev_priv->flush_flags;
flush_sequence = dev_priv->flush_sequence;
dev_priv->flush_pending = 0;
drm_fence_handler(dev, flush_sequence, flush_flags);
}
}
}
void i915_poke_flush(drm_device_t * dev)
{
drm_fence_manager_t *fm = &dev->fm;
unsigned long flags;
write_lock_irqsave(&fm->lock, flags);
i915_perform_flush(dev);
write_unlock_irqrestore(&fm->lock, flags);
}
int i915_fence_emit_sequence(drm_device_t * dev, uint32_t flags,
uint32_t * sequence, uint32_t * native_type)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
if (!dev_priv)
return -EINVAL;
i915_emit_irq(dev);
*sequence = (uint32_t) dev_priv->counter;
*native_type = DRM_FENCE_TYPE_EXE;
if (flags & DRM_I915_FENCE_FLAG_FLUSHED)
*native_type |= DRM_I915_FENCE_TYPE_RW;
return 0;
}
void i915_fence_handler(drm_device_t * dev)
{
drm_fence_manager_t *fm = &dev->fm;
write_lock(&fm->lock);
i915_perform_flush(dev);
write_unlock(&fm->lock);
}

1
linux-core/imagine_drv.c
View File

@ -22,7 +22,6 @@
/* derived from tdfx_drv.c */
#include <linux/config.h>
#include "drmP.h"
#include "imagine_drv.h"

1
linux-core/mach64_drv.c
View File

@ -27,7 +27,6 @@
* Leif Delgass <ldelgass@retinalburn.net>
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "mach64_drm.h"

2
linux-core/mga_drv.c
View File

@ -29,7 +29,6 @@
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "mga_drm.h"
@ -49,6 +48,7 @@ static struct drm_driver driver = {
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
DRIVER_IRQ_VBL,
.dev_priv_size = sizeof (drm_mga_buf_priv_t),
.load = mga_driver_load,
.unload = mga_driver_unload,
.lastclose = mga_driver_lastclose,

1
linux-core/nv_drv.c
View File

@ -32,7 +32,6 @@
* Lars Knoll <lars@trolltech.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "nv_drv.h"

1
linux-core/r128_drv.c
View File

@ -29,7 +29,6 @@
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "r128_drm.h"

3
linux-core/radeon_drv.c
View File

@ -29,7 +29,6 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
@ -45,7 +44,7 @@ module_param_named(no_wb, radeon_no_wb, int, 0444);
static int dri_library_name(struct drm_device * dev, char * buf)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
int family = dev_priv->flags & CHIP_FAMILY_MASK;
int family = dev_priv->flags & RADEON_FAMILY_MASK;
return snprintf(buf, PAGE_SIZE, "%s\n",
(family < CHIP_R200) ? "radeon" :

1
linux-core/savage_drv.c
View File

@ -23,7 +23,6 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include "drmP.h"
#include "savage_drm.h"
#include "savage_drv.h"

15
linux-core/sis_drv.c
View File

@ -25,7 +25,6 @@
*
*/
#include <linux/config.h>
#include "drmP.h"
#include "sis_drm.h"
#include "sis_drv.h"
@ -40,15 +39,15 @@ static struct pci_device_id pciidlist[] = {
static int sis_driver_load(drm_device_t *dev, unsigned long chipset)
{
drm_sis_private_t *dev_priv;
int ret;
int ret;
dev_priv = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER);
if (dev_priv == NULL)
return DRM_ERR(ENOMEM);
dev->dev_private = (void *)dev_priv;
dev_priv->chipset = chipset;
ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
dev_priv->chipset = chipset;
ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
if (ret) {
drm_free(dev_priv, sizeof(dev_priv), DRM_MEM_DRIVER);
}
@ -60,7 +59,7 @@ static int sis_driver_unload(drm_device_t *dev)
{
drm_sis_private_t *dev_priv = dev->dev_private;
drm_sman_takedown(&dev_priv->sman);
drm_sman_takedown(&dev_priv->sman);
drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
return 0;
@ -70,10 +69,10 @@ static int sis_driver_unload(drm_device_t *dev)
static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
.driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR,
.load = sis_driver_load,
.unload = sis_driver_unload,
.load = sis_driver_load,
.unload = sis_driver_unload,
.context_dtor = NULL,
.dma_quiescent = sis_idle,
.dma_quiescent = sis_idle,
.reclaim_buffers = NULL,
.reclaim_buffers_locked = sis_reclaim_buffers_locked,
.lastclose = sis_lastclose,

1
linux-core/tdfx_drv.c
View File

@ -30,7 +30,6 @@
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "tdfx_drv.h"

25
linux-core/via_dmablit.c
View File

@ -121,19 +121,18 @@ via_map_blit_for_device(struct pci_dev *pdev,
while (line_len > 0) {
remaining_len = min(PAGE_SIZE-VIA_PGOFF(cur_mem), line_len);
remaining_len = min(PAGE_SIZE-VIA_PGOFF(cur_mem), line_len);
line_len -= remaining_len;
if (mode == 1) {
desc_ptr->mem_addr =
dma_map_page(&pdev->dev,
vsg->pages[VIA_PFN(cur_mem) -
VIA_PFN(first_addr)],
VIA_PGOFF(cur_mem), remaining_len,
vsg->direction);
desc_ptr->dev_addr = cur_fb;
desc_ptr->mem_addr = dma_map_page(&pdev->dev,
vsg->pages[VIA_PFN(cur_mem) -
VIA_PFN(first_addr)],
VIA_PGOFF(cur_mem), remaining_len,
vsg->direction);
desc_ptr->dev_addr = cur_fb;
desc_ptr->size = remaining_len;
desc_ptr->size = remaining_len;
desc_ptr->next = (uint32_t) next;
next = dma_map_single(&pdev->dev, desc_ptr, sizeof(*desc_ptr),
DMA_TO_DEVICE);
@ -167,7 +166,7 @@ via_map_blit_for_device(struct pci_dev *pdev,
*/
void
static void
via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
{
struct page *page;
@ -648,13 +647,13 @@ via_build_sg_info(drm_device_t *dev, drm_via_sg_info_t *vsg, drm_via_dmablit_t *
if ((((unsigned long)xfer->mem_addr & 3) != ((unsigned long)xfer->fb_addr & 3)) ||
((xfer->num_lines > 1) && ((xfer->mem_stride & 3) != (xfer->fb_stride & 3)))) {
DRM_ERROR("Invalid DRM bitblt alignment.\n");
return DRM_ERR(EINVAL);
return DRM_ERR(EINVAL);
}
#else
if ((((unsigned long)xfer->mem_addr & 15) || ((unsigned long)xfer->fb_addr & 3)) ||
((xfer->num_lines > 1) && ((xfer->mem_stride & 15) || (xfer->fb_stride & 3)))) {
DRM_ERROR("Invalid DRM bitblt alignment.\n");
return DRM_ERR(EINVAL);
return DRM_ERR(EINVAL);
}
#endif
@ -732,7 +731,7 @@ via_dmablit(drm_device_t *dev, drm_via_dmablit_t *xfer)
drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private;
drm_via_sg_info_t *vsg;
drm_via_blitq_t *blitq;
int ret;
int ret;
int engine;
unsigned long irqsave;

10
linux-core/via_dmablit.h
View File

@ -30,6 +30,8 @@
#ifndef _VIA_DMABLIT_H
#define _VIA_DMABLIT_H
#include <linux/dma-mapping.h>
#define VIA_NUM_BLIT_ENGINES 2
#define VIA_NUM_BLIT_SLOTS 8
@ -43,12 +45,12 @@ typedef struct _drm_via_sg_info {
int num_desc;
enum dma_data_direction direction;
unsigned char *bounce_buffer;
dma_addr_t chain_start;
dma_addr_t chain_start;
uint32_t free_on_sequence;
unsigned int descriptors_per_page;
unsigned int descriptors_per_page;
int aborted;
enum {
dr_via_device_mapped,
dr_via_device_mapped,
dr_via_desc_pages_alloc,
dr_via_pages_locked,
dr_via_pages_alloc,
@ -66,7 +68,7 @@ typedef struct _drm_via_blitq {
unsigned num_free;
unsigned num_outstanding;
unsigned long end;
int aborting;
int aborting;
int is_active;
drm_via_sg_info_t *blits[VIA_NUM_BLIT_SLOTS];
spinlock_t blit_lock;

239
shared-core/drm.h
View File

@ -69,9 +69,6 @@
#endif
#if defined(__linux__)
#if defined(__KERNEL__)
#include <linux/config.h>
#endif
#include <asm/ioctl.h> /* For _IO* macros */
#define DRM_IOCTL_NR(n) _IOC_NR(n)
#define DRM_IOC_VOID _IOC_NONE
@ -134,8 +131,16 @@
#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
#if defined(__linux__)
#if defined(__KERNEL__)
typedef __u64 drm_u64_t;
#else
typedef unsigned long long drm_u64_t;
#endif
typedef unsigned int drm_handle_t;
#else
#include <sys/types.h>
typedef u_int64_t drm_u64_t;
typedef unsigned long drm_handle_t; /**< To mapped regions */
#endif
typedef unsigned int drm_context_t; /**< GLXContext handle */
@ -158,6 +163,14 @@ typedef struct drm_clip_rect {
unsigned short y2;
} drm_clip_rect_t;
/**
* Drawable information.
*/
typedef struct drm_drawable_info {
unsigned int num_rects;
drm_clip_rect_t *rects;
} drm_drawable_info_t;
/**
* Texture region,
*/
@ -259,7 +272,8 @@ typedef enum drm_map_type {
_DRM_SHM = 2, /**< shared, cached */
_DRM_AGP = 3, /**< AGP/GART */
_DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
_DRM_CONSISTENT = 5 /**< Consistent memory for PCI DMA */
_DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */
_DRM_TTM = 6
} drm_map_type_t;
/**
@ -408,7 +422,8 @@ typedef struct drm_buf_desc {
_DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
_DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
_DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
_DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */
_DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */
_DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
} flags;
unsigned long agp_start; /**<
* Start address of where the AGP buffers are
@ -507,6 +522,20 @@ typedef struct drm_draw {
drm_drawable_t handle;
} drm_draw_t;
/**
* DRM_IOCTL_UPDATE_DRAW ioctl argument type.
*/
typedef enum {
DRM_DRAWABLE_CLIPRECTS,
} drm_drawable_info_type_t;
typedef struct drm_update_draw {
drm_drawable_t handle;
unsigned int type;
unsigned int num;
unsigned long long data;
} drm_update_draw_t;
/**
* DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
*/
@ -529,10 +558,14 @@ typedef struct drm_irq_busid {
typedef enum {
_DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
_DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
_DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
_DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
_DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
} drm_vblank_seq_type_t;
#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL
#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \
_DRM_VBLANK_NEXTONMISS)
struct drm_wait_vblank_request {
drm_vblank_seq_type_t type;
@ -629,6 +662,190 @@ typedef struct drm_set_version {
int drm_dd_minor;
} drm_set_version_t;
#define DRM_FENCE_FLAG_EMIT 0x00000001
#define DRM_FENCE_FLAG_SHAREABLE 0x00000002
#define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004
#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
/* Reserved for driver use */
#define DRM_FENCE_MASK_DRIVER 0xFF000000
#define DRM_FENCE_TYPE_EXE 0x00000001
typedef struct drm_fence_arg {
unsigned handle;
int class;
unsigned type;
unsigned flags;
unsigned signaled;
unsigned expand_pad[4]; /*Future expansion */
enum {
drm_fence_create,
drm_fence_destroy,
drm_fence_reference,
drm_fence_unreference,
drm_fence_signaled,
drm_fence_flush,
drm_fence_wait,
drm_fence_emit,
drm_fence_buffers
} op;
} drm_fence_arg_t;
/* Buffer permissions, referring to how the GPU uses the buffers.
these translate to fence types used for the buffers.
Typically a texture buffer is read, A destination buffer is write and
a command (batch-) buffer is exe. Can be or-ed together. */
#define DRM_BO_FLAG_READ 0x00000001
#define DRM_BO_FLAG_WRITE 0x00000002
#define DRM_BO_FLAG_EXE 0x00000004
/*
* Status flags. Can be read to determine the actual state of a buffer.
*/
/*
* Cannot evict this buffer. Not even with force. This type of buffer should
* only be available for root, and must be manually removed before buffer
* manager shutdown or swapout.
*/
#define DRM_BO_FLAG_NO_EVICT 0x00000010
/* Always keep a system memory shadow to a vram buffer */
#define DRM_BO_FLAG_SHADOW_VRAM 0x00000020
/* The buffer is shareable with other processes */
#define DRM_BO_FLAG_SHAREABLE 0x00000040
/* The buffer is currently cached */
#define DRM_BO_FLAG_CACHED 0x00000080
/* Make sure that every time this buffer is validated, it ends up on the same
* location. The buffer will also not be evicted when claiming space for
* other buffers. Basically a pinned buffer but it may be thrown out as
* part of buffer manager shutdown or swapout. Not supported yet.*/
#define DRM_BO_FLAG_NO_MOVE 0x00000100
/* Make sure the buffer is in cached memory when mapped for reading */
#define DRM_BO_FLAG_READ_CACHED 0x00080000
/* When there is a choice between VRAM and TT, prefer VRAM.
The default behaviour is to prefer TT. */
#define DRM_BO_FLAG_PREFER_VRAM 0x00040000
/* Bind this buffer cached if the hardware supports it. */
#define DRM_BO_FLAG_BIND_CACHED 0x0002000
/* System Memory */
#define DRM_BO_FLAG_MEM_LOCAL 0x01000000
/* Translation table memory */
#define DRM_BO_FLAG_MEM_TT 0x02000000
/* Vram memory */
#define DRM_BO_FLAG_MEM_VRAM 0x04000000
/* Unmappable Vram memory */
#define DRM_BO_FLAG_MEM_VRAM_NM 0x08000000
/* Memory flag mask */
#define DRM_BO_MASK_MEM 0xFF000000
/* When creating a buffer, Avoid system storage even if allowed */
#define DRM_BO_HINT_AVOID_LOCAL 0x00000001
/* Don't block on validate and map */
#define DRM_BO_HINT_DONT_BLOCK 0x00000002
/* Don't place this buffer on the unfenced list.*/
#define DRM_BO_HINT_DONT_FENCE 0x00000004
#define DRM_BO_HINT_WAIT_LAZY 0x00000008
#define DRM_BO_HINT_ALLOW_UNFENCED_MAP 0x00000010
/* Driver specific flags. Could be for example rendering engine */
#define DRM_BO_MASK_DRIVER 0x00F00000
typedef enum {
drm_bo_type_dc,
drm_bo_type_user,
drm_bo_type_fake
}drm_bo_type_t;
typedef struct drm_bo_arg_request {
unsigned handle; /* User space handle */
unsigned mask;
unsigned hint;
drm_u64_t size;
drm_bo_type_t type;
unsigned arg_handle;
drm_u64_t buffer_start;
unsigned page_alignment;
unsigned expand_pad[4]; /*Future expansion */
enum {
drm_bo_create,
drm_bo_validate,
drm_bo_map,
drm_bo_unmap,
drm_bo_fence,
drm_bo_destroy,
drm_bo_reference,
drm_bo_unreference,
drm_bo_info,
drm_bo_wait_idle,
drm_bo_ref_fence
} op;
} drm_bo_arg_request_t;
/*
* Reply flags
*/
#define DRM_BO_REP_BUSY 0x00000001
typedef struct drm_bo_arg_reply {
int ret;
unsigned handle;
unsigned flags;
drm_u64_t size;
drm_u64_t offset;
drm_u64_t arg_handle;
unsigned mask;
drm_u64_t buffer_start;
unsigned fence_flags;
unsigned rep_flags;
unsigned page_alignment;
unsigned expand_pad[4]; /*Future expansion */
}drm_bo_arg_reply_t;
typedef struct drm_bo_arg{
int handled;
drm_u64_t next;
union {
drm_bo_arg_request_t req;
drm_bo_arg_reply_t rep;
} d;
} drm_bo_arg_t;
#define DRM_BO_MEM_LOCAL 0
#define DRM_BO_MEM_TT 1
#define DRM_BO_MEM_VRAM 2
#define DRM_BO_MEM_VRAM_NM 3
#define DRM_BO_MEM_TYPES 2 /* For now. */
typedef union drm_mm_init_arg{
struct {
enum {
mm_init,
mm_takedown,
mm_query,
mm_lock,
mm_unlock
} op;
drm_u64_t p_offset;
drm_u64_t p_size;
unsigned mem_type;
unsigned expand_pad[8]; /*Future expansion */
} req;
struct {
drm_handle_t mm_sarea;
unsigned expand_pad[8]; /*Future expansion */
} rep;
} drm_mm_init_arg_t;
/**
* \name Ioctls Definitions
*/
@ -694,15 +911,23 @@ typedef struct drm_set_version {
#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t)
#define DRM_IOCTL_FENCE DRM_IOWR(0x3b, drm_fence_arg_t)
#define DRM_IOCTL_BUFOBJ DRM_IOWR(0x3d, drm_bo_arg_t)
#define DRM_IOCTL_MM_INIT DRM_IOWR(0x3e, drm_mm_init_arg_t)
#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, drm_update_draw_t)
/*@}*/
/**
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0x40 to 0x79.
* The device specific ioctl range is from 0x40 to 0x99.
* Generic IOCTLS restart at 0xA0.
*
* \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
* drmCommandReadWrite().
*/
#define DRM_COMMAND_BASE 0x40
#define DRM_COMMAND_END 0xA0
#endif

330
shared-core/drm_drawable.c Normal file
View File

@ -0,0 +1,330 @@
/**
* \file drm_drawable.c
* IOCTLs for drawables
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
* \author Michel Dänzer <michel@tungstengraphics.com>
*/
/*
* Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, North Dakota.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "drmP.h"
/**
* Allocate drawable ID and memory to store information about it.
*/
int drm_adddraw(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
unsigned long irqflags;
int i, j;
u32 *bitfield = dev->drw_bitfield;
unsigned int bitfield_length = dev->drw_bitfield_length;
drm_drawable_info_t **info = dev->drw_info;
unsigned int info_length = dev->drw_info_length;
drm_draw_t draw;
for (i = 0, j = 0; i < bitfield_length; i++) {
if (bitfield[i] == ~0)
continue;
for (; j < 8 * sizeof(*bitfield); j++)
if (!(bitfield[i] & (1 << j)))
goto done;
}
done:
if (i == bitfield_length) {
bitfield_length++;
bitfield = drm_alloc(bitfield_length * sizeof(*bitfield),
DRM_MEM_BUFS);
if (!bitfield) {
DRM_ERROR("Failed to allocate new drawable bitfield\n");
return DRM_ERR(ENOMEM);
}
if (8 * sizeof(*bitfield) * bitfield_length > info_length) {
info_length += 8 * sizeof(*bitfield);
info = drm_alloc(info_length * sizeof(*info),
DRM_MEM_BUFS);
if (!info) {
DRM_ERROR("Failed to allocate new drawable info"
" array\n");
drm_free(bitfield,
bitfield_length * sizeof(*bitfield),
DRM_MEM_BUFS);
return DRM_ERR(ENOMEM);
}
}
bitfield[i] = 0;
}
draw.handle = i * 8 * sizeof(*bitfield) + j + 1;
DRM_DEBUG("%d\n", draw.handle);
spin_lock_irqsave(&dev->drw_lock, irqflags);
bitfield[i] |= 1 << j;
info[draw.handle - 1] = NULL;
if (bitfield != dev->drw_bitfield) {
memcpy(bitfield, dev->drw_bitfield, dev->drw_bitfield_length *
sizeof(*bitfield));
drm_free(dev->drw_bitfield, sizeof(*bitfield) *
dev->drw_bitfield_length, DRM_MEM_BUFS);
dev->drw_bitfield = bitfield;
dev->drw_bitfield_length = bitfield_length;
}
if (info != dev->drw_info) {
memcpy(info, dev->drw_info, dev->drw_info_length *
sizeof(*info));
drm_free(dev->drw_info, sizeof(*info) * dev->drw_info_length,
DRM_MEM_BUFS);
dev->drw_info = info;
dev->drw_info_length = info_length;
}
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
DRM_COPY_TO_USER_IOCTL((drm_draw_t __user *)data, draw, sizeof(draw));
return 0;
}
/**
* Free drawable ID and memory to store information about it.
*/
int drm_rmdraw(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_draw_t draw;
int id, idx;
unsigned int shift;
unsigned long irqflags;
u32 *bitfield = dev->drw_bitfield;
unsigned int bitfield_length = dev->drw_bitfield_length;
drm_drawable_info_t **info = dev->drw_info;
unsigned int info_length = dev->drw_info_length;
DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data,
sizeof(draw));
id = draw.handle - 1;
idx = id / (8 * sizeof(*bitfield));
shift = id % (8 * sizeof(*bitfield));
if (idx < 0 || idx >= bitfield_length ||
!(bitfield[idx] & (1 << shift))) {
DRM_DEBUG("No such drawable %d\n", draw.handle);
return 0;
}
spin_lock_irqsave(&dev->drw_lock, irqflags);
bitfield[idx] &= ~(1 << shift);
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
if (info[id]) {
drm_free(info[id]->rects, info[id]->num_rects *
sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
drm_free(info[id], sizeof(**info), DRM_MEM_BUFS);
}
/* Can we shrink the arrays? */
if (idx == bitfield_length - 1) {
while (idx >= 0 && !bitfield[idx])
--idx;
bitfield_length = idx + 1;
if (idx != id / (8 * sizeof(*bitfield)))
bitfield = drm_alloc(bitfield_length *
sizeof(*bitfield), DRM_MEM_BUFS);
if (!bitfield && bitfield_length) {
bitfield = dev->drw_bitfield;
bitfield_length = dev->drw_bitfield_length;
}
}
if (bitfield != dev->drw_bitfield) {
info_length = 8 * sizeof(*bitfield) * bitfield_length;
info = drm_alloc(info_length * sizeof(*info), DRM_MEM_BUFS);
if (!info && info_length) {
info = dev->drw_info;
info_length = dev->drw_info_length;
}
spin_lock_irqsave(&dev->drw_lock, irqflags);
memcpy(bitfield, dev->drw_bitfield, bitfield_length *
sizeof(*bitfield));
drm_free(dev->drw_bitfield, sizeof(*bitfield) *
dev->drw_bitfield_length, DRM_MEM_BUFS);
dev->drw_bitfield = bitfield;
dev->drw_bitfield_length = bitfield_length;
if (info != dev->drw_info) {
memcpy(info, dev->drw_info, info_length *
sizeof(*info));
drm_free(dev->drw_info, sizeof(*info) *
dev->drw_info_length, DRM_MEM_BUFS);
dev->drw_info = info;
dev->drw_info_length = info_length;
}
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
}
DRM_DEBUG("%d\n", draw.handle);
return 0;
}
int drm_update_drawable_info(DRM_IOCTL_ARGS) {
DRM_DEVICE;
drm_update_draw_t update;
unsigned int id, idx, shift, bitfield_length = dev->drw_bitfield_length;
u32 *bitfield = dev->drw_bitfield;
unsigned long irqflags;
drm_drawable_info_t *info;
drm_clip_rect_t *rects;
int err;
DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data,
sizeof(update));
id = update.handle - 1;
idx = id / (8 * sizeof(*bitfield));
shift = id % (8 * sizeof(*bitfield));
if (idx < 0 || idx >= bitfield_length ||
!(bitfield[idx] & (1 << shift))) {
DRM_ERROR("No such drawable %d\n", update.handle);
return DRM_ERR(EINVAL);
}
info = dev->drw_info[id];
if (!info) {
info = drm_calloc(1, sizeof(drm_drawable_info_t), DRM_MEM_BUFS);
if (!info) {
DRM_ERROR("Failed to allocate drawable info memory\n");
return DRM_ERR(ENOMEM);
}
}
switch (update.type) {
case DRM_DRAWABLE_CLIPRECTS:
if (update.num != info->num_rects) {
rects = drm_alloc(update.num * sizeof(drm_clip_rect_t),
DRM_MEM_BUFS);
} else
rects = info->rects;
if (update.num && !rects) {
DRM_ERROR("Failed to allocate cliprect memory\n");
err = DRM_ERR(ENOMEM);
goto error;
}
if (update.num && DRM_COPY_FROM_USER(rects,
(drm_clip_rect_t __user *)
(unsigned long)update.data,
update.num *
sizeof(*rects))) {
DRM_ERROR("Failed to copy cliprects from userspace\n");
err = DRM_ERR(EFAULT);
goto error;
}
spin_lock_irqsave(&dev->drw_lock, irqflags);
if (rects != info->rects) {
drm_free(info->rects, info->num_rects *
sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
}
info->rects = rects;
info->num_rects = update.num;
dev->drw_info[id] = info;
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
DRM_DEBUG("Updated %d cliprects for drawable %d\n",
info->num_rects, id);
break;
default:
DRM_ERROR("Invalid update type %d\n", update.type);
return DRM_ERR(EINVAL);
}
return 0;
error:
if (!dev->drw_info[id])
drm_free(info, sizeof(*info), DRM_MEM_BUFS);
else if (rects != dev->drw_info[id]->rects)
drm_free(rects, update.num *
sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
return err;
}
/**
* Caller must hold the drawable spinlock!
*/
drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) {
u32 *bitfield = dev->drw_bitfield;
unsigned int idx, shift;
id--;
idx = id / (8 * sizeof(*bitfield));
shift = id % (8 * sizeof(*bitfield));
if (idx < 0 || idx >= dev->drw_bitfield_length ||
!(bitfield[idx] & (1 << shift))) {
DRM_DEBUG("No such drawable %d\n", id);
return NULL;
}
return dev->drw_info[id];
}
EXPORT_SYMBOL(drm_get_drawable_info);

177
shared-core/drm_pciids.txt
View File

@ -1,11 +1,11 @@
[radeon]
0x1002 0x3150 CHIP_RV380|CHIP_IS_MOBILITY "ATI Radeon Mobility X600 M24"
0x1002 0x3152 CHIP_RV380|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Radeon Mobility X300 M24"
0x1002 0x3154 CHIP_RV380|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI FireGL M24 GL"
0x1002 0x3E50 CHIP_RV380|CHIP_NEW_MEMMAP "ATI Radeon RV380 X600"
0x1002 0x3E54 CHIP_RV380|CHIP_NEW_MEMMAP "ATI FireGL V3200 RV380"
0x1002 0x4136 CHIP_RS100|CHIP_IS_IGP "ATI Radeon RS100 IGP 320"
0x1002 0x4137 CHIP_RS200|CHIP_IS_IGP "ATI Radeon RS200 IGP 340"
0x1002 0x3150 CHIP_RV380|RADEON_IS_MOBILITY "ATI Radeon Mobility X600 M24"
0x1002 0x3152 CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Radeon Mobility X300 M24"
0x1002 0x3154 CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI FireGL M24 GL"
0x1002 0x3E50 CHIP_RV380|RADEON_NEW_MEMMAP "ATI Radeon RV380 X600"
0x1002 0x3E54 CHIP_RV380|RADEON_NEW_MEMMAP "ATI FireGL V3200 RV380"
0x1002 0x4136 CHIP_RS100|RADEON_IS_IGP "ATI Radeon RS100 IGP 320"
0x1002 0x4137 CHIP_RS200|RADEON_IS_IGP "ATI Radeon RS200 IGP 340"
0x1002 0x4144 CHIP_R300 "ATI Radeon AD 9500"
0x1002 0x4145 CHIP_R300 "ATI Radeon AE 9700 Pro"
0x1002 0x4146 CHIP_R300 "ATI Radeon AF R300 9600TX"
@ -21,35 +21,35 @@
0x1002 0x4154 CHIP_RV350 "ATI FireGL AT T2"
0x1002 0x4155 CHIP_RV350 "ATI Radeon 9650"
0x1002 0x4156 CHIP_RV350 "ATI FireGL AV RV360 T2"
0x1002 0x4237 CHIP_RS200|CHIP_IS_IGP "ATI Radeon RS250 IGP"
0x1002 0x4237 CHIP_RS200|RADEON_IS_IGP "ATI Radeon RS250 IGP"
0x1002 0x4242 CHIP_R200 "ATI Radeon BB R200 AIW 8500DV"
0x1002 0x4243 CHIP_R200 "ATI Radeon BC R200"
0x1002 0x4336 CHIP_RS100|CHIP_IS_IGP|CHIP_IS_MOBILITY "ATI Radeon RS100 Mobility U1"
0x1002 0x4337 CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY "ATI Radeon RS200 Mobility IGP 340M"
0x1002 0x4437 CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY "ATI Radeon RS250 Mobility IGP"
0x1002 0x4336 CHIP_RS100|RADEON_IS_IGP|RADEON_IS_MOBILITY "ATI Radeon RS100 Mobility U1"
0x1002 0x4337 CHIP_RS200|RADEON_IS_IGP|RADEON_IS_MOBILITY "ATI Radeon RS200 Mobility IGP 340M"
0x1002 0x4437 CHIP_RS200|RADEON_IS_IGP|RADEON_IS_MOBILITY "ATI Radeon RS250 Mobility IGP"
0x1002 0x4966 CHIP_RV250 "ATI Radeon If RV250 9000"
0x1002 0x4967 CHIP_RV250 "ATI Radeon Ig RV250 9000"
0x1002 0x4A48 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JH R420 X800"
0x1002 0x4A49 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JI R420 X800 Pro"
0x1002 0x4A4A CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JJ R420 X800 SE"
0x1002 0x4A4B CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JK R420 X800 XT"
0x1002 0x4A4C CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JL R420 X800"
0x1002 0x4A4D CHIP_R420|CHIP_NEW_MEMMAP "ATI FireGL JM X3-256"
0x1002 0x4A4E CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Radeon JN R420 Mobility M18"
0x1002 0x4A4F CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JO R420 X800 SE"
0x1002 0x4A50 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JP R420 X800 XT PE"
0x1002 0x4A54 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon JT R420 AIW X800 VE"
0x1002 0x4B49 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R481 X850 XT"
0x1002 0x4B4A CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R481 X850 SE"
0x1002 0x4B4B CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R481 X850 Pro"
0x1002 0x4B4C CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R481 X850 XT PE"
0x1002 0x4C57 CHIP_RV200|CHIP_IS_MOBILITY "ATI Radeon LW RV200 Mobility 7500 M7"
0x1002 0x4C58 CHIP_RV200|CHIP_IS_MOBILITY "ATI Radeon LX RV200 Mobility FireGL 7800 M7"
0x1002 0x4C59 CHIP_RV100|CHIP_IS_MOBILITY "ATI Radeon LY RV100 Mobility M6"
0x1002 0x4C5A CHIP_RV100|CHIP_IS_MOBILITY "ATI Radeon LZ RV100 Mobility M6"
0x1002 0x4C64 CHIP_RV250|CHIP_IS_MOBILITY "ATI Radeon Ld RV250 Mobility 9000 M9"
0x1002 0x4A48 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JH R420 X800"
0x1002 0x4A49 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JI R420 X800 Pro"
0x1002 0x4A4A CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JJ R420 X800 SE"
0x1002 0x4A4B CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JK R420 X800 XT"
0x1002 0x4A4C CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JL R420 X800"
0x1002 0x4A4D CHIP_R420|RADEON_NEW_MEMMAP "ATI FireGL JM X3-256"
0x1002 0x4A4E CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Radeon JN R420 Mobility M18"
0x1002 0x4A4F CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JO R420 X800 SE"
0x1002 0x4A50 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JP R420 X800 XT PE"
0x1002 0x4A54 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon JT R420 AIW X800 VE"
0x1002 0x4B49 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R481 X850 XT"
0x1002 0x4B4A CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R481 X850 SE"
0x1002 0x4B4B CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R481 X850 Pro"
0x1002 0x4B4C CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R481 X850 XT PE"
0x1002 0x4C57 CHIP_RV200|RADEON_IS_MOBILITY "ATI Radeon LW RV200 Mobility 7500 M7"
0x1002 0x4C58 CHIP_RV200|RADEON_IS_MOBILITY "ATI Radeon LX RV200 Mobility FireGL 7800 M7"
0x1002 0x4C59 CHIP_RV100|RADEON_IS_MOBILITY "ATI Radeon LY RV100 Mobility M6"
0x1002 0x4C5A CHIP_RV100|RADEON_IS_MOBILITY "ATI Radeon LZ RV100 Mobility M6"
0x1002 0x4C64 CHIP_RV250|RADEON_IS_MOBILITY "ATI Radeon Ld RV250 Mobility 9000 M9"
0x1002 0x4C66 CHIP_RV250 "ATI Radeon Lf RV250 Mobility 9000 M9 / FireMV 2400 PCI"
0x1002 0x4C67 CHIP_RV250|CHIP_IS_MOBILITY "ATI Radeon Lg RV250 Mobility 9000 M9"
0x1002 0x4C67 CHIP_RV250|RADEON_IS_MOBILITY "ATI Radeon Lg RV250 Mobility 9000 M9"
0x1002 0x4E44 CHIP_R300 "ATI Radeon ND R300 9700 Pro"
0x1002 0x4E45 CHIP_R300 "ATI Radeon NE R300 9500 Pro / 9700"
0x1002 0x4E46 CHIP_R300 "ATI Radeon NF R300 9600TX"
@ -58,16 +58,16 @@
0x1002 0x4E49 CHIP_R350 "ATI Radeon NI R350 9800"
0x1002 0x4E4A CHIP_R350 "ATI Radeon NJ R360 9800 XT"
0x1002 0x4E4B CHIP_R350 "ATI FireGL NK X2"
0x1002 0x4E50 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NP"
0x1002 0x4E51 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NQ"
0x1002 0x4E52 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M11 NR"
0x1002 0x4E53 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NS"
0x1002 0x4E54 CHIP_RV350|CHIP_IS_MOBILITY "ATI FireGL T2/T2e"
0x1002 0x4E56 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon Mobility 9550"
0x1002 0x5144 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QD R100"
0x1002 0x5145 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QE R100"
0x1002 0x5146 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QF R100"
0x1002 0x5147 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QG R100"
0x1002 0x4E50 CHIP_RV350|RADEON_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NP"
0x1002 0x4E51 CHIP_RV350|RADEON_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NQ"
0x1002 0x4E52 CHIP_RV350|RADEON_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M11 NR"
0x1002 0x4E53 CHIP_RV350|RADEON_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NS"
0x1002 0x4E54 CHIP_RV350|RADEON_IS_MOBILITY "ATI FireGL T2/T2e"
0x1002 0x4E56 CHIP_RV350|RADEON_IS_MOBILITY "ATI Radeon Mobility 9550"
0x1002 0x5144 CHIP_R100|RADEON_SINGLE_CRTC "ATI Radeon QD R100"
0x1002 0x5145 CHIP_R100|RADEON_SINGLE_CRTC "ATI Radeon QE R100"
0x1002 0x5146 CHIP_R100|RADEON_SINGLE_CRTC "ATI Radeon QF R100"
0x1002 0x5147 CHIP_R100|RADEON_SINGLE_CRTC "ATI Radeon QG R100"
0x1002 0x5148 CHIP_R200 "ATI Radeon QH R200 8500"
0x1002 0x514C CHIP_R200 "ATI Radeon QL R200 8500 LE"
0x1002 0x514D CHIP_R200 "ATI Radeon QM R200 9100"
@ -76,59 +76,59 @@
0x1002 0x5159 CHIP_RV100 "ATI Radeon QY RV100 7000/VE"
0x1002 0x515A CHIP_RV100 "ATI Radeon QZ RV100 7000/VE"
0x1002 0x515E CHIP_RV100 "ATI ES1000 RN50"
0x1002 0x5460 CHIP_RV380|CHIP_IS_MOBILITY "ATI Radeon Mobility X300 M22"
0x1002 0x5462 CHIP_RV380|CHIP_IS_MOBILITY "ATI Radeon Mobility X600 SE M24C"
0x1002 0x5464 CHIP_RV380|CHIP_IS_MOBILITY "ATI FireGL M22 GL 5464"
0x1002 0x5548 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R423 X800"
0x1002 0x5549 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R423 X800 Pro"
0x1002 0x554A CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R423 X800 XT PE"
0x1002 0x554B CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R423 X800 SE"
0x1002 0x554C CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R430 X800 XTP"
0x1002 0x554D CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R430 X800 XL"
0x1002 0x554E CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R430 X800 SE"
0x1002 0x554F CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R430 X800"
0x1002 0x5550 CHIP_R420|CHIP_NEW_MEMMAP "ATI FireGL V7100 R423"
0x1002 0x5551 CHIP_R420|CHIP_NEW_MEMMAP "ATI FireGL V5100 R423 UQ"
0x1002 0x5552 CHIP_R420|CHIP_NEW_MEMMAP "ATI FireGL unknown R423 UR"
0x1002 0x5554 CHIP_R420|CHIP_NEW_MEMMAP "ATI FireGL unknown R423 UT"
0x1002 0x564A CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Mobility FireGL V5000 M26"
0x1002 0x564B CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Mobility FireGL V5000 M26"
0x1002 0x564F CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Radeon Mobility X700 XL M26"
0x1002 0x5652 CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Radeon Mobility X700 M26"
0x1002 0x5653 CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Radeon Mobility X700 M26"
0x1002 0x5834 CHIP_RS300|CHIP_IS_IGP "ATI Radeon RS300 9100 IGP"
0x1002 0x5835 CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY "ATI Radeon RS300 Mobility IGP"
0x1002 0x5460 CHIP_RV380|RADEON_IS_MOBILITY "ATI Radeon Mobility X300 M22"
0x1002 0x5462 CHIP_RV380|RADEON_IS_MOBILITY "ATI Radeon Mobility X600 SE M24C"
0x1002 0x5464 CHIP_RV380|RADEON_IS_MOBILITY "ATI FireGL M22 GL 5464"
0x1002 0x5548 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R423 X800"
0x1002 0x5549 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R423 X800 Pro"
0x1002 0x554A CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R423 X800 XT PE"
0x1002 0x554B CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R423 X800 SE"
0x1002 0x554C CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R430 X800 XTP"
0x1002 0x554D CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R430 X800 XL"
0x1002 0x554E CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R430 X800 SE"
0x1002 0x554F CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R430 X800"
0x1002 0x5550 CHIP_R420|RADEON_NEW_MEMMAP "ATI FireGL V7100 R423"
0x1002 0x5551 CHIP_R420|RADEON_NEW_MEMMAP "ATI FireGL V5100 R423 UQ"
0x1002 0x5552 CHIP_R420|RADEON_NEW_MEMMAP "ATI FireGL unknown R423 UR"
0x1002 0x5554 CHIP_R420|RADEON_NEW_MEMMAP "ATI FireGL unknown R423 UT"
0x1002 0x564A CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Mobility FireGL V5000 M26"
0x1002 0x564B CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Mobility FireGL V5000 M26"
0x1002 0x564F CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Radeon Mobility X700 XL M26"
0x1002 0x5652 CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Radeon Mobility X700 M26"
0x1002 0x5653 CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Radeon Mobility X700 M26"
0x1002 0x5834 CHIP_RS300|RADEON_IS_IGP "ATI Radeon RS300 9100 IGP"
0x1002 0x5835 CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY "ATI Radeon RS300 Mobility IGP"
0x1002 0x5960 CHIP_RV280 "ATI Radeon RV280 9250"
0x1002 0x5961 CHIP_RV280 "ATI Radeon RV280 9200"
0x1002 0x5962 CHIP_RV280 "ATI Radeon RV280 9200"
0x1002 0x5964 CHIP_RV280 "ATI Radeon RV280 9200 SE"
0x1002 0x5965 CHIP_RV280 "ATI FireMV 2200 PCI"
0x1002 0x5969 CHIP_RV100 "ATI ES1000 RN50"
0x1002 0x5b60 CHIP_RV380|CHIP_NEW_MEMMAP "ATI Radeon RV370 X300 SE"
0x1002 0x5b62 CHIP_RV380|CHIP_NEW_MEMMAP "ATI Radeon RV370 X600 Pro"
0x1002 0x5b63 CHIP_RV380|CHIP_NEW_MEMMAP "ATI Radeon RV370 X550"
0x1002 0x5b64 CHIP_RV380|CHIP_NEW_MEMMAP "ATI FireGL V3100 (RV370) 5B64"
0x1002 0x5b65 CHIP_RV380|CHIP_NEW_MEMMAP "ATI FireMV 2200 PCIE (RV370) 5B65"
0x1002 0x5c61 CHIP_RV280|CHIP_IS_MOBILITY "ATI Radeon RV280 Mobility"
0x1002 0x5c63 CHIP_RV280|CHIP_IS_MOBILITY "ATI Radeon RV280 Mobility"
0x1002 0x5d48 CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Mobility Radeon X800 XT M28"
0x1002 0x5d49 CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Mobility FireGL V5100 M28"
0x1002 0x5d4a CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Mobility Radeon X800 M28"
0x1002 0x5d4c CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R480 X850"
0x1002 0x5d4d CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R480 X850 XT PE"
0x1002 0x5d4e CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R480 X850 SE"
0x1002 0x5d4f CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R480 X850 Pro"
0x1002 0x5d50 CHIP_R420|CHIP_NEW_MEMMAP "ATI unknown Radeon / FireGL R480"
0x1002 0x5d52 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R480 X850 XT"
0x1002 0x5d57 CHIP_R420|CHIP_NEW_MEMMAP "ATI Radeon R423 X800 XT"
0x1002 0x5e48 CHIP_RV410|CHIP_NEW_MEMMAP "ATI FireGL V5000 RV410"
0x1002 0x5e4a CHIP_RV410|CHIP_NEW_MEMMAP "ATI Radeon RV410 X700 XT"
0x1002 0x5e4b CHIP_RV410|CHIP_NEW_MEMMAP "ATI Radeon RV410 X700 Pro"
0x1002 0x5e4c CHIP_RV410|CHIP_NEW_MEMMAP "ATI Radeon RV410 X700 SE"
0x1002 0x5e4d CHIP_RV410|CHIP_NEW_MEMMAP "ATI Radeon RV410 X700"
0x1002 0x5e4f CHIP_RV410|CHIP_NEW_MEMMAP "ATI Radeon RV410 X700 SE"
0x1002 0x7834 CHIP_RS300|CHIP_IS_IGP|CHIP_NEW_MEMMAP "ATI Radeon RS350 9000/9100 IGP"
0x1002 0x7835 CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP "ATI Radeon RS350 Mobility IGP"
0x1002 0x5b60 CHIP_RV380|RADEON_NEW_MEMMAP "ATI Radeon RV370 X300 SE"
0x1002 0x5b62 CHIP_RV380|RADEON_NEW_MEMMAP "ATI Radeon RV370 X600 Pro"
0x1002 0x5b63 CHIP_RV380|RADEON_NEW_MEMMAP "ATI Radeon RV370 X550"
0x1002 0x5b64 CHIP_RV380|RADEON_NEW_MEMMAP "ATI FireGL V3100 (RV370) 5B64"
0x1002 0x5b65 CHIP_RV380|RADEON_NEW_MEMMAP "ATI FireMV 2200 PCIE (RV370) 5B65"
0x1002 0x5c61 CHIP_RV280|RADEON_IS_MOBILITY "ATI Radeon RV280 Mobility"
0x1002 0x5c63 CHIP_RV280|RADEON_IS_MOBILITY "ATI Radeon RV280 Mobility"
0x1002 0x5d48 CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Mobility Radeon X800 XT M28"
0x1002 0x5d49 CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Mobility FireGL V5100 M28"
0x1002 0x5d4a CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Mobility Radeon X800 M28"
0x1002 0x5d4c CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R480 X850"
0x1002 0x5d4d CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R480 X850 XT PE"
0x1002 0x5d4e CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R480 X850 SE"
0x1002 0x5d4f CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R480 X850 Pro"
0x1002 0x5d50 CHIP_R420|RADEON_NEW_MEMMAP "ATI unknown Radeon / FireGL R480"
0x1002 0x5d52 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R480 X850 XT"
0x1002 0x5d57 CHIP_R420|RADEON_NEW_MEMMAP "ATI Radeon R423 X800 XT"
0x1002 0x5e48 CHIP_RV410|RADEON_NEW_MEMMAP "ATI FireGL V5000 RV410"
0x1002 0x5e4a CHIP_RV410|RADEON_NEW_MEMMAP "ATI Radeon RV410 X700 XT"
0x1002 0x5e4b CHIP_RV410|RADEON_NEW_MEMMAP "ATI Radeon RV410 X700 Pro"
0x1002 0x5e4c CHIP_RV410|RADEON_NEW_MEMMAP "ATI Radeon RV410 X700 SE"
0x1002 0x5e4d CHIP_RV410|RADEON_NEW_MEMMAP "ATI Radeon RV410 X700"
0x1002 0x5e4f CHIP_RV410|RADEON_NEW_MEMMAP "ATI Radeon RV410 X700 SE"
0x1002 0x7834 CHIP_RS300|RADEON_IS_IGP|RADEON_NEW_MEMMAP "ATI Radeon RS350 9000/9100 IGP"
0x1002 0x7835 CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP "ATI Radeon RS350 Mobility IGP"
[r128]
0x1002 0x4c45 0 "ATI Rage 128 Mobility LE (PCI)"
@ -186,6 +186,7 @@
0x1002 0x4c51 0 "3D Rage LT Pro"
0x1002 0x4c42 0 "3D Rage LT Pro AGP-133"
0x1002 0x4c44 0 "3D Rage LT Pro AGP-66"
0x1002 0x4759 0 "Rage 3D IICATI 3D RAGE IIC AGP(A12/A13)
0x1002 0x474c 0 "Rage XC"
0x1002 0x474f 0 "Rage XL"
0x1002 0x4752 0 "Rage XL"

43
shared-core/i915_dma.c
View File

@ -1,4 +1,4 @@
/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
/ i915_dma.c -- DMA support for the I915 -*- linux-c -*-
*/
/*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
@ -37,7 +37,6 @@
dev->pdev->device == 0x29A2 || \
dev->pdev->device == 0x2A02)
/* Really want an OS-independent resettable timer. Would like to have
* this loop run for (eg) 3 sec, but have the timer reset every time
* the head pointer changes, so that EBUSY only happens if the ring
@ -164,6 +163,7 @@ static int i915_initialize(drm_device_t * dev,
dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
dev_priv->cpp = init->cpp;
dev_priv->back_offset = init->back_offset;
dev_priv->front_offset = init->front_offset;
dev_priv->current_page = 0;
@ -196,9 +196,10 @@ static int i915_initialize(drm_device_t * dev,
I915_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
dev->dev_private = (void *)dev_priv;
#ifdef I915_HAVE_BUFFER
drm_bo_driver_init(dev);
#endif
return 0;
}
@ -435,17 +436,39 @@ static void i915_emit_breadcrumb(drm_device_t *dev)
dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
if (dev_priv->counter > 0x7FFFFFFFUL)
dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
BEGIN_LP_RING(4);
OUT_RING(CMD_STORE_DWORD_IDX);
OUT_RING(20);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
#ifdef I915_HAVE_FENCE
drm_fence_flush_old(dev, dev_priv->counter);
#endif
}
int i915_emit_mi_flush(drm_device_t *dev, uint32_t flush)
{
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t flush_cmd = CMD_MI_FLUSH;
RING_LOCALS;
flush_cmd |= flush;
i915_kernel_lost_context(dev);
BEGIN_LP_RING(4);
OUT_RING(flush_cmd);
OUT_RING(0);
OUT_RING(0);
OUT_RING(0);
ADVANCE_LP_RING();
return 0;
}
static int i915_dispatch_cmdbuffer(drm_device_t * dev,
drm_i915_cmdbuffer_t * cmd)
{
@ -566,7 +589,9 @@ static int i915_dispatch_flip(drm_device_t * dev)
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
#ifdef I915_HAVE_FENCE
drm_fence_flush_old(dev, dev_priv->counter);
#endif
dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
return 0;
}
@ -680,6 +705,7 @@ static int i915_flip_bufs(DRM_IOCTL_ARGS)
return i915_dispatch_flip(dev);
}
static int i915_getparam(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
@ -798,6 +824,7 @@ drm_ioctl_desc_t i915_ioctls[] = {
[DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
[DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
[DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH },
[DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] = {i915_vblank_swap, DRM_AUTH},
};
int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);

29
shared-core/i915_drm.h
View File

@ -104,8 +104,27 @@ typedef struct _drm_i915_sarea {
unsigned int depth_tiled;
unsigned int rotated_tiled;
unsigned int rotated2_tiled;
int pipeA_x;
int pipeA_y;
int pipeA_w;
int pipeA_h;
int pipeB_x;
int pipeB_y;
int pipeB_w;
int pipeB_h;
} drm_i915_sarea_t;
/* Driver specific fence types and classes.
*/
/* The only fence class we support */
#define DRM_I915_FENCE_CLASS_ACCEL 0
/* Fence type that guarantees read-write flush */
#define DRM_I915_FENCE_TYPE_RW 2
/* MI_FLUSH programmed just before the fence */
#define DRM_I915_FENCE_FLAG_FLUSHED 0x01000000
/* Flags for perf_boxes
*/
#define I915_BOX_RING_EMPTY 0x1
@ -132,6 +151,7 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_DESTROY_HEAP 0x0c
#define DRM_I915_SET_VBLANK_PIPE 0x0d
#define DRM_I915_GET_VBLANK_PIPE 0x0e
#define DRM_I915_VBLANK_SWAP 0x0f
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@ -148,6 +168,7 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
#define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
/* Allow drivers to submit batchbuffers directly to hardware, relying
@ -244,4 +265,12 @@ typedef struct drm_i915_vblank_pipe {
int pipe;
} drm_i915_vblank_pipe_t;
/* Schedule buffer swap at given vertical blank:
*/
typedef struct drm_i915_vblank_swap {
drm_drawable_t drawable;
drm_vblank_seq_type_t seqtype;
unsigned int sequence;
} drm_i915_vblank_swap_t;
#endif /* _I915_DRM_H_ */

77
shared-core/i915_drv.h
View File

@ -35,9 +35,9 @@
#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
#define DRIVER_NAME "i915"
#define DRIVER_NAME "i915-mm"
#define DRIVER_DESC "Intel Graphics"
#define DRIVER_DATE "20060119"
#define DRIVER_DATE "20060929"
/* Interface history:
*
@ -46,11 +46,18 @@
* 1.3: Add vblank support
* 1.4: Fix cmdbuffer path, add heap destroy
* 1.5: Add vblank pipe configuration
* 1.6: - New ioctl for scheduling buffer swaps on vertical blank
* - Support vertical blank on secondary display pipe
*/
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 5
#define DRIVER_MINOR 7
#define DRIVER_PATCHLEVEL 0
#if defined(__linux__)
#define I915_HAVE_FENCE
#define I915_HAVE_BUFFER
#endif
typedef struct _drm_i915_ring_buffer {
int tail_mask;
unsigned long Start;
@ -71,6 +78,13 @@ struct mem_block {
DRMFILE filp; /* 0: free, -1: heap, other: real files */
};
typedef struct _drm_i915_vbl_swap {
struct list_head head;
drm_drawable_t drw_id;
unsigned int pipe;
unsigned int sequence;
} drm_i915_vbl_swap_t;
typedef struct drm_i915_private {
drm_local_map_t *sarea;
drm_local_map_t *mmio_map;
@ -81,8 +95,9 @@ typedef struct drm_i915_private {
drm_dma_handle_t *status_page_dmah;
void *hw_status_page;
dma_addr_t dma_status_page;
unsigned long counter;
uint32_t counter;
unsigned int cpp;
int back_offset;
int front_offset;
int current_page;
@ -98,6 +113,22 @@ typedef struct drm_i915_private {
struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
spinlock_t user_irq_lock;
int user_irq_refcount;
int fence_irq_on;
uint32_t irq_enable_reg;
int irq_enabled;
#ifdef I915_HAVE_FENCE
uint32_t flush_sequence;
uint32_t flush_flags;
uint32_t flush_pending;
uint32_t saved_flush_status;
#endif
spinlock_t swaps_lock;
drm_i915_vbl_swap_t vbl_swaps;
unsigned int swaps_pending;
} drm_i915_private_t;
extern drm_ioctl_desc_t i915_ioctls[];
@ -111,18 +142,25 @@ extern void i915_driver_preclose(drm_device_t * dev, DRMFILE filp);
extern int i915_driver_device_is_agp(drm_device_t * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
extern int i915_emit_mi_flush(drm_device_t *dev, uint32_t flush);
/* i915_irq.c */
extern int i915_irq_emit(DRM_IOCTL_ARGS);
extern int i915_irq_wait(DRM_IOCTL_ARGS);
extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence);
extern int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(drm_device_t * dev);
extern void i915_driver_irq_postinstall(drm_device_t * dev);
extern void i915_driver_irq_uninstall(drm_device_t * dev);
extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS);
extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS);
extern int i915_emit_irq(drm_device_t * dev);
extern void i915_user_irq_on(drm_i915_private_t *dev_priv);
extern void i915_user_irq_off(drm_i915_private_t *dev_priv);
extern int i915_vblank_swap(DRM_IOCTL_ARGS);
/* i915_mem.c */
extern int i915_mem_alloc(DRM_IOCTL_ARGS);
@ -132,6 +170,23 @@ extern int i915_mem_destroy_heap(DRM_IOCTL_ARGS);
extern void i915_mem_takedown(struct mem_block **heap);
extern void i915_mem_release(drm_device_t * dev,
DRMFILE filp, struct mem_block *heap);
#ifdef I915_HAVE_FENCE
/* i915_fence.c */
extern void i915_fence_handler(drm_device_t *dev);
extern int i915_fence_emit_sequence(drm_device_t *dev, uint32_t flags,
uint32_t *sequence,
uint32_t *native_type);
extern void i915_poke_flush(drm_device_t *dev);
#endif
#ifdef I915_HAVE_BUFFER
/* i915_buffer.c */
extern drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev);
extern int i915_fence_types(uint32_t buffer_flags, uint32_t *class, uint32_t *type);
extern int i915_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags);
#endif
#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
@ -182,6 +237,11 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
#define INST_OP_FLUSH 0x02000000
#define INST_FLUSH_MAP_CACHE 0x00000001
#define CMD_MI_FLUSH (0x04 << 23)
#define MI_NO_WRITE_FLUSH (1 << 2)
#define MI_READ_FLUSH (1 << 0)
#define MI_EXE_FLUSH (1 << 1)
#define BB1_START_ADDR_MASK (~0x7)
#define BB1_PROTECTED (1<<0)
#define BB1_UNPROTECTED (0<<0)
@ -191,6 +251,7 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
#define I915REG_INT_IDENTITY_R 0x020a4
#define I915REG_INT_MASK_R 0x020a8
#define I915REG_INT_ENABLE_R 0x020a0
#define I915REG_INSTPM 0x020c0
#define SRX_INDEX 0x3c4
#define SRX_DATA 0x3c5
@ -256,6 +317,10 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
#define MI_BATCH_BUFFER ((0x30<<23)|1)
#define MI_BATCH_BUFFER_START (0x31<<23)
#define MI_BATCH_BUFFER_END (0xA<<23)
@ -272,6 +337,6 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
#define READ_BREADCRUMB(dev_priv) (((u32*)(dev_priv->hw_status_page))[5])
#define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5])
#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
#endif

333
shared-core/i915_irq.c
View File

@ -37,6 +37,99 @@
#define MAX_NOPID ((u32)~0)
/**
* Emit blits for scheduled buffer swaps.
*
* This function will be called with the HW lock held.
*/
static void i915_vblank_tasklet(drm_device_t *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
struct list_head *list, *tmp;
DRM_DEBUG("\n");
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
drm_i915_vbl_swap_t *vbl_swap =
list_entry(list, drm_i915_vbl_swap_t, head);
atomic_t *counter = vbl_swap->pipe ? &dev->vbl_received2 :
&dev->vbl_received;
if ((atomic_read(counter) - vbl_swap->sequence) <= (1<<23)) {
drm_drawable_info_t *drw;
spin_unlock(&dev_priv->swaps_lock);
spin_lock(&dev->drw_lock);
drw = drm_get_drawable_info(dev, vbl_swap->drw_id);
if (drw) {
int i, num_rects = drw->num_rects;
drm_clip_rect_t *rect = drw->rects;
drm_i915_sarea_t *sarea_priv =
dev_priv->sarea_priv;
u32 cpp = dev_priv->cpp;
u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD |
XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB)
: XY_SRC_COPY_BLT_CMD;
u32 pitchropcpp = (sarea_priv->pitch * cpp) |
(0xcc << 16) | (cpp << 23) |
(1 << 24);
RING_LOCALS;
i915_kernel_lost_context(dev);
BEGIN_LP_RING(6);
OUT_RING(GFX_OP_DRAWRECT_INFO);
OUT_RING(0);
OUT_RING(0);
OUT_RING(sarea_priv->width |
sarea_priv->height << 16);
OUT_RING(sarea_priv->width |
sarea_priv->height << 16);
OUT_RING(0);
ADVANCE_LP_RING();
sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT;
for (i = 0; i < num_rects; i++, rect++) {
BEGIN_LP_RING(8);
OUT_RING(cmd);
OUT_RING(pitchropcpp);
OUT_RING((rect->y1 << 16) | rect->x1);
OUT_RING((rect->y2 << 16) | rect->x2);
OUT_RING(sarea_priv->front_offset);
OUT_RING((rect->y1 << 16) | rect->x1);
OUT_RING(pitchropcpp & 0xffff);
OUT_RING(sarea_priv->back_offset);
ADVANCE_LP_RING();
}
}
spin_unlock(&dev->drw_lock);
spin_lock(&dev_priv->swaps_lock);
list_del(list);
drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
dev_priv->swaps_pending--;
}
}
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
}
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
drm_device_t *dev = (drm_device_t *) arg;
@ -45,10 +138,11 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
temp = I915_READ16(I915REG_INT_IDENTITY_R);
temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG);
#if 0
DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
#endif
if (temp == 0)
return IRQ_NONE;
@ -56,19 +150,40 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
if (temp & USER_INT_FLAG)
if (temp & USER_INT_FLAG) {
DRM_WAKEUP(&dev_priv->irq_queue);
#ifdef I915_HAVE_FENCE
i915_fence_handler(dev);
#endif
}
if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
atomic_inc(&dev->vbl_received);
int vblank_pipe = dev_priv->vblank_pipe;
if ((vblank_pipe &
(DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
== (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
if (temp & VSYNC_PIPEA_FLAG)
atomic_inc(&dev->vbl_received);
if (temp & VSYNC_PIPEB_FLAG)
atomic_inc(&dev->vbl_received2);
} else if (((temp & VSYNC_PIPEA_FLAG) &&
(vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
((temp & VSYNC_PIPEB_FLAG) &&
(vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
drm_vbl_send_signals(dev);
if (dev_priv->swaps_pending > 0)
drm_locked_tasklet(dev, i915_vblank_tasklet);
}
return IRQ_HANDLED;
}
static int i915_emit_irq(drm_device_t * dev)
int i915_emit_irq(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
@ -98,6 +213,28 @@ static int i915_emit_irq(drm_device_t * dev)
}
void i915_user_irq_on(drm_i915_private_t *dev_priv)
{
spin_lock(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (++dev_priv->user_irq_refcount == 1)){
dev_priv->irq_enable_reg |= USER_INT_FLAG;
I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
spin_unlock(&dev_priv->user_irq_lock);
}
void i915_user_irq_off(drm_i915_private_t *dev_priv)
{
spin_lock(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
// dev_priv->irq_enable_reg &= ~USER_INT_FLAG;
// I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
spin_unlock(&dev_priv->user_irq_lock);
}
static int i915_wait_irq(drm_device_t * dev, int irq_nr)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@ -110,9 +247,11 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr)
return 0;
dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
i915_user_irq_on(dev_priv);
DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
i915_user_irq_off(dev_priv);
if (ret == DRM_ERR(EBUSY)) {
DRM_ERROR("%s: EBUSY -- rec: %d emitted: %d\n",
@ -124,7 +263,8 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr)
return ret;
}
int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
static int i915_driver_vblank_do_wait(drm_device_t *dev, unsigned int *sequence,
atomic_t *counter)
{
drm_i915_private_t *dev_priv = dev->dev_private;
unsigned int cur_vblank;
@ -136,7 +276,7 @@ int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
}
DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
(((cur_vblank = atomic_read(&dev->vbl_received))
(((cur_vblank = atomic_read(counter))
- *sequence) <= (1<<23)));
*sequence = cur_vblank;
@ -144,6 +284,16 @@ int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
return ret;
}
int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
{
return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received);
}
int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence)
{
return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2);
}
/* Needs the lock as it touches the ring.
*/
int i915_irq_emit(DRM_IOCTL_ARGS)
@ -192,23 +342,18 @@ int i915_irq_wait(DRM_IOCTL_ARGS)
return i915_wait_irq(dev, irqwait.irq_seq);
}
static int i915_enable_interrupt (drm_device_t *dev)
static void i915_enable_interrupt (drm_device_t *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u16 flag;
flag = 0;
dev_priv->irq_enable_reg = USER_INT_FLAG;
if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
flag |= VSYNC_PIPEA_FLAG;
dev_priv->irq_enable_reg |= VSYNC_PIPEA_FLAG;
if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
flag |= VSYNC_PIPEB_FLAG;
if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
DRM_ERROR("%s called with invalid pipe 0x%x\n",
__FUNCTION__, dev_priv->vblank_pipe);
return DRM_ERR(EINVAL);
}
I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
return 0;
dev_priv->irq_enable_reg |= VSYNC_PIPEB_FLAG;
I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
dev_priv->irq_enabled = 1;
}
/* Set the vblank monitor pipe
@ -227,8 +372,17 @@ int i915_vblank_pipe_set(DRM_IOCTL_ARGS)
DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data,
sizeof(pipe));
if (pipe.pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
DRM_ERROR("%s called with invalid pipe 0x%x\n",
__FUNCTION__, pipe.pipe);
return DRM_ERR(EINVAL);
}
dev_priv->vblank_pipe = pipe.pipe;
return i915_enable_interrupt (dev);
i915_enable_interrupt (dev);
return 0;
}
int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
@ -254,13 +408,125 @@ int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
return 0;
}
/**
* Schedule buffer swap at given vertical blank.
*/
int i915_vblank_swap(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_vblank_swap_t swap;
drm_i915_vbl_swap_t *vbl_swap;
unsigned int pipe, seqtype, curseq;
unsigned long irqflags;
struct list_head *list;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __func__);
return DRM_ERR(EINVAL);
}
if (dev_priv->sarea_priv->rotation) {
DRM_DEBUG("Rotation not supported\n");
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL(swap, (drm_i915_vblank_swap_t __user *) data,
sizeof(swap));
if (swap.seqtype & ~(_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE |
_DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)) {
DRM_ERROR("Invalid sequence type 0x%x\n", swap.seqtype);
return DRM_ERR(EINVAL);
}
pipe = (swap.seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
seqtype = swap.seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE);
if (!(dev_priv->vblank_pipe & (1 << pipe))) {
DRM_ERROR("Invalid pipe %d\n", pipe);
return DRM_ERR(EINVAL);
}
spin_lock_irqsave(&dev->drw_lock, irqflags);
if (!drm_get_drawable_info(dev, swap.drawable)) {
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
DRM_ERROR("Invalid drawable ID %d\n", swap.drawable);
return DRM_ERR(EINVAL);
}
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received);
if (seqtype == _DRM_VBLANK_RELATIVE)
swap.sequence += curseq;
if ((curseq - swap.sequence) <= (1<<23)) {
if (swap.seqtype & _DRM_VBLANK_NEXTONMISS) {
swap.sequence = curseq + 1;
} else {
DRM_DEBUG("Missed target sequence\n");
return DRM_ERR(EINVAL);
}
}
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
list_for_each(list, &dev_priv->vbl_swaps.head) {
vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head);
if (vbl_swap->drw_id == swap.drawable &&
vbl_swap->pipe == pipe &&
vbl_swap->sequence == swap.sequence) {
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
DRM_DEBUG("Already scheduled\n");
return 0;
}
}
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
if (dev_priv->swaps_pending >= 100) {
DRM_DEBUG("Too many swaps queued\n");
return DRM_ERR(EBUSY);
}
vbl_swap = drm_calloc(1, sizeof(vbl_swap), DRM_MEM_DRIVER);
if (!vbl_swap) {
DRM_ERROR("Failed to allocate memory to queue swap\n");
return DRM_ERR(ENOMEM);
}
DRM_DEBUG("\n");
vbl_swap->drw_id = swap.drawable;
vbl_swap->pipe = pipe;
vbl_swap->sequence = swap.sequence;
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
list_add_tail((struct list_head *)vbl_swap, &dev_priv->vbl_swaps.head);
dev_priv->swaps_pending++;
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_swap_t __user *) data, swap,
sizeof(swap));
return 0;
}
/* drm_dma.h hooks
*/
void i915_driver_irq_preinstall(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
I915_WRITE16(I915REG_HWSTAM, 0xfffe);
I915_WRITE16(I915REG_HWSTAM, 0xeffe);
I915_WRITE16(I915REG_INT_MASK_R, 0x0);
I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
}
@ -269,8 +535,30 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
dev_priv->swaps_lock = SPIN_LOCK_UNLOCKED;
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
dev_priv->swaps_pending = 0;
if (!dev_priv->vblank_pipe)
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A;
dev_priv->swaps_lock = SPIN_LOCK_UNLOCKED;
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
dev_priv->swaps_pending = 0;
dev_priv->user_irq_lock = SPIN_LOCK_UNLOCKED;
dev_priv->user_irq_refcount = 0;
if (!dev_priv->vblank_pipe)
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A;
i915_enable_interrupt(dev);
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
/*
* Initialize the hardware status page IRQ location.
*/
I915_WRITE(I915REG_INSTPM, ( 1 << 5) | ( 1 << 21));
}
void i915_driver_irq_uninstall(drm_device_t * dev)
@ -280,6 +568,7 @@ void i915_driver_irq_uninstall(drm_device_t * dev)
if (!dev_priv)
return;
dev_priv->irq_enabled = 0;
I915_WRITE16(I915REG_HWSTAM, 0xffff);
I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);

232
shared-core/mach64_dma.c
View File

@ -815,17 +815,18 @@ static int mach64_do_dma_init(drm_device_t * dev, drm_mach64_init_t * init)
return DRM_ERR(EINVAL);
}
dev_priv->ring_map = drm_core_findmap(dev, init->ring_offset);
if (!dev_priv->ring_map) {
DRM_ERROR("can not find ring map!\n");
dev->dev_private = (void *)dev_priv;
mach64_do_cleanup_dma(dev);
return DRM_ERR(EINVAL);
}
dev_priv->sarea_priv = (drm_mach64_sarea_t *)
((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset);
if (!dev_priv->is_pci) {
dev_priv->ring_map = drm_core_findmap(dev, init->ring_offset);
if (!dev_priv->ring_map) {
DRM_ERROR("can not find ring map!\n");
dev->dev_private = (void *)dev_priv;
mach64_do_cleanup_dma(dev);
return DRM_ERR(EINVAL);
}
drm_core_ioremap(dev_priv->ring_map, dev);
if (!dev_priv->ring_map->handle) {
DRM_ERROR("can not ioremap virtual address for"
@ -834,6 +835,7 @@ static int mach64_do_dma_init(drm_device_t * dev, drm_mach64_init_t * init)
mach64_do_cleanup_dma(dev);
return DRM_ERR(ENOMEM);
}
dev->agp_buffer_token = init->buffers_offset;
dev->agp_buffer_map =
drm_core_findmap(dev, init->buffers_offset);
if (!dev->agp_buffer_map) {
@ -890,27 +892,9 @@ static int mach64_do_dma_init(drm_device_t * dev, drm_mach64_init_t * init)
}
}
/* allocate descriptor memory from pci pool */
DRM_DEBUG("Allocating dma descriptor ring\n");
dev_priv->ring.size = 0x4000; /* 16KB */
if (dev_priv->is_pci) {
dev_priv->ring.dmah = drm_pci_alloc(dev, dev_priv->ring.size,
dev_priv->ring.size,
0xfffffffful);
if (!dev_priv->ring.dmah) {
DRM_ERROR("Allocating dma descriptor ring failed\n");
return DRM_ERR(ENOMEM);
} else {
dev_priv->ring.start = dev_priv->ring.dmah->vaddr;
dev_priv->ring.start_addr =
(u32) dev_priv->ring.dmah->busaddr;
}
} else {
dev_priv->ring.start = dev_priv->ring_map->handle;
dev_priv->ring.start_addr = (u32) dev_priv->ring_map->offset;
}
dev_priv->ring.start = dev_priv->ring_map->handle;
dev_priv->ring.start_addr = (u32) dev_priv->ring_map->offset;
memset(dev_priv->ring.start, 0, dev_priv->ring.size);
DRM_INFO("descriptor ring: cpu addr %p, bus addr: 0x%08x\n",
@ -1148,18 +1132,14 @@ int mach64_do_cleanup_dma(drm_device_t * dev)
if (dev->dev_private) {
drm_mach64_private_t *dev_priv = dev->dev_private;
if (dev_priv->is_pci) {
if (dev_priv->ring.dmah) {
drm_pci_free(dev, dev_priv->ring.dmah);
}
} else {
if (!dev_priv->is_pci) {
if (dev_priv->ring_map)
drm_core_ioremapfree(dev_priv->ring_map, dev);
}
if (dev->agp_buffer_map) {
drm_core_ioremapfree(dev->agp_buffer_map, dev);
dev->agp_buffer_map = NULL;
if (dev->agp_buffer_map) {
drm_core_ioremapfree(dev->agp_buffer_map, dev);
dev->agp_buffer_map = NULL;
}
}
mach64_destroy_freelist(dev);
@ -1328,17 +1308,88 @@ int mach64_do_release_used_buffers(drm_mach64_private_t * dev_priv)
return 0;
}
static int mach64_do_reclaim_completed(drm_mach64_private_t * dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
struct list_head *ptr;
struct list_head *tmp;
drm_mach64_freelist_t *entry;
u32 head, tail, ofs;
mach64_ring_tick(dev_priv, ring);
head = ring->head;
tail = ring->tail;
if (head == tail) {
#if MACH64_EXTRA_CHECKING
if (MACH64_READ(MACH64_GUI_STAT) & MACH64_GUI_ACTIVE) {
DRM_ERROR("Empty ring with non-idle engine!\n");
mach64_dump_ring_info(dev_priv);
return -1;
}
#endif
/* last pass is complete, so release everything */
mach64_do_release_used_buffers(dev_priv);
DRM_DEBUG("%s: idle engine, freed all buffers.\n",
__FUNCTION__);
if (list_empty(&dev_priv->free_list)) {
DRM_ERROR("Freelist empty with idle engine\n");
return -1;
}
return 0;
}
/* Look for a completed buffer and bail out of the loop
* as soon as we find one -- don't waste time trying
* to free extra bufs here, leave that to do_release_used_buffers
*/
list_for_each_safe(ptr, tmp, &dev_priv->pending) {
entry = list_entry(ptr, drm_mach64_freelist_t, list);
ofs = entry->ring_ofs;
if (entry->discard &&
((head < tail && (ofs < head || ofs >= tail)) ||
(head > tail && (ofs < head && ofs >= tail)))) {
#if MACH64_EXTRA_CHECKING
int i;
for (i = head; i != tail; i = (i + 4) & ring->tail_mask)
{
u32 o1 = le32_to_cpu(((u32 *) ring->
start)[i + 1]);
u32 o2 = GETBUFADDR(entry->buf);
if (o1 == o2) {
DRM_ERROR
("Attempting to free used buffer: "
"i=%d buf=0x%08x\n",
i, o1);
mach64_dump_ring_info(dev_priv);
return -1;
}
}
#endif
/* found a processed buffer */
entry->buf->pending = 0;
list_del(ptr);
list_add_tail(ptr, &dev_priv->free_list);
DRM_DEBUG
("%s: freed processed buffer (head=%d tail=%d "
"buf ring ofs=%d).\n",
__FUNCTION__, head, tail, ofs);
return 0;
}
}
return 1;
}
drm_buf_t *mach64_freelist_get(drm_mach64_private_t * dev_priv)
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
drm_mach64_freelist_t *entry;
struct list_head *ptr;
struct list_head *tmp;
int t;
if (list_empty(&dev_priv->free_list)) {
u32 head, tail, ofs;
if (list_empty(&dev_priv->pending)) {
DRM_ERROR
("Couldn't get buffer - pending and free lists empty\n");
@ -1350,81 +1401,15 @@ drm_buf_t *mach64_freelist_get(drm_mach64_private_t * dev_priv)
return NULL;
}
tail = ring->tail;
for (t = 0; t < dev_priv->usec_timeout; t++) {
mach64_ring_tick(dev_priv, ring);
head = ring->head;
int ret;
if (head == tail) {
#if MACH64_EXTRA_CHECKING
if (MACH64_READ(MACH64_GUI_STAT) &
MACH64_GUI_ACTIVE) {
DRM_ERROR
("Empty ring with non-idle engine!\n");
mach64_dump_ring_info(dev_priv);
return NULL;
}
#endif
/* last pass is complete, so release everything */
mach64_do_release_used_buffers(dev_priv);
DRM_DEBUG
("%s: idle engine, freed all buffers.\n",
__FUNCTION__);
if (list_empty(&dev_priv->free_list)) {
DRM_ERROR
("Freelist empty with idle engine\n");
return NULL;
}
ret = mach64_do_reclaim_completed(dev_priv);
if (ret == 0)
goto _freelist_entry_found;
}
/* Look for a completed buffer and bail out of the loop
* as soon as we find one -- don't waste time trying
* to free extra bufs here, leave that to do_release_used_buffers
*/
list_for_each_safe(ptr, tmp, &dev_priv->pending) {
entry =
list_entry(ptr, drm_mach64_freelist_t,
list);
ofs = entry->ring_ofs;
if (entry->discard &&
((head < tail
&& (ofs < head || ofs >= tail))
|| (head > tail
&& (ofs < head && ofs >= tail)))) {
#if MACH64_EXTRA_CHECKING
int i;
if (ret < 0)
return NULL;
for (i = head; i != tail;
i = (i + 4) & ring->tail_mask) {
u32 o1 =
le32_to_cpu(((u32 *) ring->
start)[i + 1]);
u32 o2 = GETBUFADDR(entry->buf);
if (o1 == o2) {
DRM_ERROR
("Attempting to free used buffer: "
"i=%d buf=0x%08x\n",
i, o1);
mach64_dump_ring_info
(dev_priv);
return NULL;
}
}
#endif
/* found a processed buffer */
entry->buf->pending = 0;
list_del(ptr);
entry->buf->used = 0;
list_add_tail(ptr,
&dev_priv->placeholders);
DRM_DEBUG
("%s: freed processed buffer (head=%d tail=%d "
"buf ring ofs=%d).\n",
__FUNCTION__, head, tail, ofs);
return entry->buf;
}
}
DRM_UDELAY(1);
}
mach64_dump_ring_info(dev_priv);
@ -1443,6 +1428,33 @@ drm_buf_t *mach64_freelist_get(drm_mach64_private_t * dev_priv)
return entry->buf;
}
int mach64_freelist_put(drm_mach64_private_t * dev_priv, drm_buf_t * copy_buf)
{
struct list_head *ptr;
drm_mach64_freelist_t *entry;
#if MACH64_EXTRA_CHECKING
list_for_each(ptr, &dev_priv->pending) {
entry = list_entry(ptr, drm_mach64_freelist_t, list);
if (copy_buf == entry->buf) {
DRM_ERROR("%s: Trying to release a pending buf\n",
__FUNCTION__);
return DRM_ERR(EFAULT);
}
}
#endif
ptr = dev_priv->placeholders.next;
entry = list_entry(ptr, drm_mach64_freelist_t, list);
copy_buf->pending = 0;
copy_buf->used = 0;
entry->buf = copy_buf;
entry->discard = 1;
list_del(ptr);
list_add_tail(ptr, &dev_priv->free_list);
return 0;
}
/*@}*/

4
shared-core/mach64_drm.h
View File

@ -68,7 +68,7 @@
/* Max number of swaps allowed on the ring
* before the client must wait
*/
#define MACH64_MAX_QUEUED_FRAMES 3
#define MACH64_MAX_QUEUED_FRAMES 3U
/* Byte offsets for host blit buffer data
*/
@ -237,7 +237,7 @@ typedef struct drm_mach64_vertex {
} drm_mach64_vertex_t;
typedef struct drm_mach64_blit {
int idx;
void *buf;
int pitch;
int offset;
int format;

7
shared-core/mach64_drv.h
View File

@ -42,9 +42,9 @@
#define DRIVER_NAME "mach64"
#define DRIVER_DESC "DRM module for the ATI Rage Pro"
#define DRIVER_DATE "20020904"
#define DRIVER_DATE "20060718"
#define DRIVER_MAJOR 1
#define DRIVER_MAJOR 2
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
@ -61,7 +61,6 @@ typedef struct drm_mach64_freelist {
} drm_mach64_freelist_t;
typedef struct drm_mach64_descriptor_ring {
drm_dma_handle_t *dmah; /* Handle to pci dma memory */
void *start; /* write pointer (cpu address) to start of descriptor ring */
u32 start_addr; /* bus address of beginning of descriptor ring */
int size; /* size of ring in bytes */
@ -123,6 +122,8 @@ extern void mach64_driver_lastclose(drm_device_t * dev);
extern int mach64_init_freelist(drm_device_t * dev);
extern void mach64_destroy_freelist(drm_device_t * dev);
extern drm_buf_t *mach64_freelist_get(drm_mach64_private_t * dev_priv);
extern int mach64_freelist_put(drm_mach64_private_t * dev_priv,
drm_buf_t * copy_buf);
extern int mach64_do_wait_for_fifo(drm_mach64_private_t * dev_priv,
int entries);

205
shared-core/mach64_state.c
View File

@ -480,16 +480,16 @@ static int mach64_do_get_frames_queued(drm_mach64_private_t * dev_priv)
/* Copy and verify a client submited buffer.
* FIXME: Make an assembly optimized version
*/
static __inline__ int copy_and_verify_from_user(u32 *to,
const u32 __user *ufrom,
unsigned long bytes)
static __inline__ int copy_from_user_vertex(u32 *to,
const u32 __user *ufrom,
unsigned long bytes)
{
unsigned long n = bytes; /* dwords remaining in buffer */
u32 *from, *orig_from;
from = drm_alloc(bytes, DRM_MEM_DRIVER);
if (from == NULL)
return ENOMEM;
return DRM_ERR(ENOMEM);
if (DRM_COPY_FROM_USER(from, ufrom, bytes)) {
drm_free(from, bytes, DRM_MEM_DRIVER);
@ -546,12 +546,15 @@ static __inline__ int copy_and_verify_from_user(u32 *to,
}
static int mach64_dma_dispatch_vertex(DRMFILE filp, drm_device_t * dev,
int prim, void *buf, unsigned long used,
int discard)
drm_mach64_vertex_t * vertex)
{
drm_mach64_private_t *dev_priv = dev->dev_private;
drm_mach64_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_buf_t *copy_buf;
void *buf = vertex->buf;
unsigned long used = vertex->used;
int ret = 0;
int i = 0;
int done = 0;
int verify_ret = 0;
DMALOCALS;
@ -559,100 +562,92 @@ static int mach64_dma_dispatch_vertex(DRMFILE filp, drm_device_t * dev,
DRM_DEBUG("%s: buf=%p used=%lu nbox=%d\n",
__FUNCTION__, buf, used, sarea_priv->nbox);
if (used) {
int ret = 0;
int i = 0;
if (!used)
goto _vertex_done;
copy_buf = mach64_freelist_get(dev_priv);
if (copy_buf == NULL) {
DRM_ERROR("%s: couldn't get buffer in DMAGETPTR\n",
__FUNCTION__);
return DRM_ERR(EAGAIN);
}
copy_buf = mach64_freelist_get(dev_priv);
if (copy_buf == NULL) {
DRM_ERROR("%s: couldn't get buffer\n", __FUNCTION__);
return DRM_ERR(EAGAIN);
}
if ((verify_ret =
copy_and_verify_from_user(GETBUFPTR(copy_buf), buf,
used)) == 0) {
verify_ret = copy_from_user_vertex(GETBUFPTR(copy_buf), buf, used);
copy_buf->used = used;
if (verify_ret != 0) {
mach64_freelist_put(dev_priv, copy_buf);
goto _vertex_done;
}
DMASETPTR(copy_buf);
copy_buf->used = used;
if (sarea_priv->dirty & ~MACH64_UPLOAD_CLIPRECTS) {
ret = mach64_emit_state(filp, dev_priv);
if (ret < 0)
return ret;
DMASETPTR(copy_buf);
if (sarea_priv->dirty & ~MACH64_UPLOAD_CLIPRECTS) {
ret = mach64_emit_state(filp, dev_priv);
if (ret < 0)
return ret;
}
do {
/* Emit the next cliprect */
if (i < sarea_priv->nbox) {
ret = mach64_emit_cliprect(filp, dev_priv,
&sarea_priv->boxes[i]);
if (ret < 0) {
/* failed to get buffer */
return ret;
} else if (ret != 0) {
/* null intersection with scissor */
continue;
}
do {
/* Emit the next cliprect */
if (i < sarea_priv->nbox) {
ret =
mach64_emit_cliprect(filp, dev_priv,
&sarea_priv->
boxes[i]);
if (ret < 0) {
/* failed to get buffer */
return ret;
} else if (ret != 0) {
/* null intersection with scissor */
continue;
}
}
if ((i >= sarea_priv->nbox - 1))
done = 1;
/* Add the buffer to the DMA queue */
DMAADVANCE(dev_priv, done);
} while (++i < sarea_priv->nbox);
}
if ((i >= sarea_priv->nbox - 1))
done = 1;
if (copy_buf->pending && !done) {
/* Add the buffer to the DMA queue */
DMAADVANCE(dev_priv, done);
} while (++i < sarea_priv->nbox);
if (!done) {
if (copy_buf->pending) {
DMADISCARDBUF();
} else if (!done) {
/* This buffer wasn't used (no cliprects or verify failed), so place it back
* on the free list
} else {
/* This buffer wasn't used (no cliprects), so place it
* back on the free list
*/
struct list_head *ptr;
drm_mach64_freelist_t *entry;
#if MACH64_EXTRA_CHECKING
list_for_each(ptr, &dev_priv->pending) {
entry =
list_entry(ptr, drm_mach64_freelist_t,
list);
if (copy_buf == entry->buf) {
DRM_ERROR
("%s: Trying to release a pending buf\n",
__FUNCTION__);
return DRM_ERR(EFAULT);
}
}
#endif
ptr = dev_priv->placeholders.next;
entry = list_entry(ptr, drm_mach64_freelist_t, list);
copy_buf->pending = 0;
copy_buf->used = 0;
entry->buf = copy_buf;
entry->discard = 1;
list_del(ptr);
list_add_tail(ptr, &dev_priv->free_list);
mach64_freelist_put(dev_priv, copy_buf);
}
}
_vertex_done:
sarea_priv->dirty &= ~MACH64_UPLOAD_CLIPRECTS;
sarea_priv->nbox = 0;
return verify_ret;
}
static __inline__ int copy_from_user_blit(u32 *to,
const u32 __user *ufrom,
unsigned long bytes)
{
to = (u32 *)((char *)to + MACH64_HOSTDATA_BLIT_OFFSET);
if (DRM_COPY_FROM_USER(to, ufrom, bytes)) {
return DRM_ERR(EFAULT);
}
return 0;
}
static int mach64_dma_dispatch_blit(DRMFILE filp, drm_device_t * dev,
drm_mach64_blit_t * blit)
{
drm_mach64_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
int dword_shift, dwords;
drm_buf_t *buf;
unsigned long used;
drm_buf_t *copy_buf;
int verify_ret = 0;
DMALOCALS;
/* The compiler won't optimize away a division by a variable,
@ -679,34 +674,34 @@ static int mach64_dma_dispatch_blit(DRMFILE filp, drm_device_t * dev,
return DRM_ERR(EINVAL);
}
/* Dispatch the blit buffer.
*/
buf = dma->buflist[blit->idx];
if (buf->filp != filp) {
DRM_ERROR("process %d (filp %p) using buffer with filp %p\n",
DRM_CURRENTPID, filp, buf->filp);
return DRM_ERR(EINVAL);
}
if (buf->pending) {
DRM_ERROR("sending pending buffer %d\n", blit->idx);
return DRM_ERR(EINVAL);
}
/* Set buf->used to the bytes of blit data based on the blit dimensions
* and verify the size. When the setup is emitted to the buffer with
* the DMA* macros below, buf->used is incremented to include the bytes
* used for setup as well as the blit data.
*/
dwords = (blit->width * blit->height) >> dword_shift;
buf->used = dwords << 2;
if (buf->used <= 0 ||
buf->used > MACH64_BUFFER_SIZE - MACH64_HOSTDATA_BLIT_OFFSET) {
DRM_ERROR("Invalid blit size: %d bytes\n", buf->used);
used = dwords << 2;
if (used <= 0 ||
used > MACH64_BUFFER_SIZE - MACH64_HOSTDATA_BLIT_OFFSET) {
DRM_ERROR("Invalid blit size: %lu bytes\n", used);
return DRM_ERR(EINVAL);
}
copy_buf = mach64_freelist_get(dev_priv);
if (copy_buf == NULL) {
DRM_ERROR("%s: couldn't get buffer\n", __FUNCTION__);
return DRM_ERR(EAGAIN);
}
verify_ret = copy_from_user_blit(GETBUFPTR(copy_buf), blit->buf, used);
if (verify_ret != 0) {
mach64_freelist_put(dev_priv, copy_buf);
goto _blit_done;
}
copy_buf->used = used;
/* FIXME: Use a last buffer flag and reduce the state emitted for subsequent,
* continuation buffers?
*/
@ -715,7 +710,7 @@ static int mach64_dma_dispatch_blit(DRMFILE filp, drm_device_t * dev,
* a register command every 16 dwords. State setup is added at the start of the
* buffer -- the client leaves space for this based on MACH64_HOSTDATA_BLIT_OFFSET
*/
DMASETPTR(buf);
DMASETPTR(copy_buf);
DMAOUTREG(MACH64_Z_CNTL, 0);
DMAOUTREG(MACH64_SCALE_3D_CNTL, 0);
@ -745,12 +740,13 @@ static int mach64_dma_dispatch_blit(DRMFILE filp, drm_device_t * dev,
DMAOUTREG(MACH64_DST_X_Y, (blit->y << 16) | blit->x);
DMAOUTREG(MACH64_DST_WIDTH_HEIGHT, (blit->height << 16) | blit->width);
DRM_DEBUG("%s: %d bytes\n", __FUNCTION__, buf->used);
DRM_DEBUG("%s: %lu bytes\n", __FUNCTION__, used);
/* Add the buffer to the queue */
DMAADVANCEHOSTDATA(dev_priv);
return 0;
_blit_done:
return verify_ret;
}
/* ================================================================
@ -842,14 +838,12 @@ int mach64_dma_vertex(DRM_IOCTL_ARGS)
if (sarea_priv->nbox > MACH64_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MACH64_NR_SAREA_CLIPRECTS;
return mach64_dma_dispatch_vertex(filp, dev, vertex.prim, vertex.buf,
vertex.used, vertex.discard);
return mach64_dma_dispatch_vertex(filp, dev, &vertex);
}
int mach64_dma_blit(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_device_dma_t *dma = dev->dma;
drm_mach64_private_t *dev_priv = dev->dev_private;
drm_mach64_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mach64_blit_t blit;
@ -860,15 +854,6 @@ int mach64_dma_blit(DRM_IOCTL_ARGS)
DRM_COPY_FROM_USER_IOCTL(blit, (drm_mach64_blit_t *) data,
sizeof(blit));
DRM_DEBUG("%s: pid=%d index=%d\n",
__FUNCTION__, DRM_CURRENTPID, blit.idx);
if (blit.idx < 0 || blit.idx >= dma->buf_count) {
DRM_ERROR("buffer index %d (of %d max)\n",
blit.idx, dma->buf_count - 1);
return DRM_ERR(EINVAL);
}
ret = mach64_dma_dispatch_blit(filp, dev, &blit);
/* Make sure we restore the 3D state next time.

33
shared-core/r300_cmdbuf.c
View File

@ -538,6 +538,36 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
return 0;
}
static __inline__ int r300_emit_indx_buffer(drm_radeon_private_t *dev_priv,
drm_radeon_kcmd_buffer_t *cmdbuf)
{
u32 *cmd = (u32 *) cmdbuf->buf;
int count, ret;
RING_LOCALS;
count=(cmd[0]>>16) & 0x3fff;
if ((cmd[1] & 0x8000ffff) != 0x80000810) {
DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
return DRM_ERR(EINVAL);
}
ret = r300_check_offset(dev_priv, cmd[2]);
if (ret) {
DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
return DRM_ERR(EINVAL);
}
BEGIN_RING(count+2);
OUT_RING(cmd[0]);
OUT_RING_TABLE((int *)(cmdbuf->buf + 4), count + 1);
ADVANCE_RING();
cmdbuf->buf += (count+2)*4;
cmdbuf->bufsz -= (count+2)*4;
return 0;
}
static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv,
drm_radeon_kcmd_buffer_t *cmdbuf)
{
@ -578,10 +608,11 @@ static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv,
case RADEON_CNTL_BITBLT_MULTI:
return r300_emit_bitblt_multi(dev_priv, cmdbuf);
case RADEON_CP_INDX_BUFFER: /* DRAW_INDX_2 without INDX_BUFFER seems to lock up the gpu */
return r300_emit_indx_buffer(dev_priv, cmdbuf);
case RADEON_CP_3D_DRAW_IMMD_2: /* triggers drawing using in-packet vertex data */
case RADEON_CP_3D_DRAW_VBUF_2: /* triggers drawing of vertex buffers setup elsewhere */
case RADEON_CP_3D_DRAW_INDX_2: /* triggers drawing using indices to vertex buffer */
case RADEON_CP_INDX_BUFFER: /* DRAW_INDX_2 without INDX_BUFFER seems to lock up the gpu */
case RADEON_WAIT_FOR_IDLE:
case RADEON_CP_NOP:
/* these packets are safe */

46
shared-core/radeon_cp.c
View File

@ -1130,7 +1130,7 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev,
| (dev_priv->fb_location >> 16));
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
RADEON_WRITE(RADEON_MC_AGP_LOCATION,
(((dev_priv->gart_vm_start - 1 +
@ -1158,7 +1158,7 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev,
dev_priv->ring.tail = cur_read_ptr;
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
dev_priv->ring_rptr->offset
- dev->agp->base + dev_priv->gart_vm_start);
@ -1301,7 +1301,7 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
{
u32 tmp;
if (dev_priv->flags & CHIP_IS_PCIE) {
if (dev_priv->flags & RADEON_IS_PCIE) {
radeon_set_pciegart(dev_priv, on);
return;
}
@ -1339,26 +1339,26 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
DRM_DEBUG("\n");
/* if we require new memory map but we don't have it fail */
if ((dev_priv->flags & CHIP_NEW_MEMMAP) && !dev_priv->new_memmap)
if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap)
{
DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
radeon_do_cleanup_cp(dev);
return DRM_ERR(EINVAL);
}
if (init->is_pci && (dev_priv->flags & CHIP_IS_AGP))
if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP))
{
DRM_DEBUG("Forcing AGP card to PCI mode\n");
dev_priv->flags &= ~CHIP_IS_AGP;
dev_priv->flags &= ~RADEON_IS_AGP;
}
else if (!(dev_priv->flags & (CHIP_IS_AGP | CHIP_IS_PCI | CHIP_IS_PCIE))
else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
&& !init->is_pci)
{
DRM_DEBUG("Restoring AGP flag\n");
dev_priv->flags |= CHIP_IS_AGP;
dev_priv->flags |= RADEON_IS_AGP;
}
if ((!(dev_priv->flags & CHIP_IS_AGP)) && !dev->sg) {
if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
DRM_ERROR("PCI GART memory not allocated!\n");
radeon_do_cleanup_cp(dev);
return DRM_ERR(EINVAL);
@ -1501,7 +1501,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
init->sarea_priv_offset);
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
drm_core_ioremap(dev_priv->cp_ring, dev);
drm_core_ioremap(dev_priv->ring_rptr, dev);
drm_core_ioremap(dev->agp_buffer_map, dev);
@ -1560,7 +1560,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
* align it down.
*/
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
base = dev->agp->base;
/* Check if valid */
if ((base + dev_priv->gart_size) > dev_priv->fb_location &&
@ -1590,7 +1590,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
}
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP)
if (dev_priv->flags & RADEON_IS_AGP)
dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
- dev->agp->base
+ dev_priv->gart_vm_start);
@ -1616,7 +1616,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
/* Turn off PCI GART */
radeon_set_pcigart(dev_priv, 0);
} else
@ -1636,7 +1636,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
dev_priv->gart_info.mapping.handle;
dev_priv->gart_info.is_pcie =
!!(dev_priv->flags & CHIP_IS_PCIE);
!!(dev_priv->flags & RADEON_IS_PCIE);
dev_priv->gart_info.gart_table_location =
DRM_ATI_GART_FB;
@ -1648,7 +1648,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
DRM_ATI_GART_MAIN;
dev_priv->gart_info.addr = NULL;
dev_priv->gart_info.bus_addr = 0;
if (dev_priv->flags & CHIP_IS_PCIE) {
if (dev_priv->flags & RADEON_IS_PCIE) {
DRM_ERROR
("Cannot use PCI Express without GART in FB memory\n");
radeon_do_cleanup_cp(dev);
@ -1690,7 +1690,7 @@ static int radeon_do_cleanup_cp(drm_device_t * dev)
drm_irq_uninstall(dev);
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
if (dev_priv->cp_ring != NULL) {
drm_core_ioremapfree(dev_priv->cp_ring, dev);
dev_priv->cp_ring = NULL;
@ -1745,7 +1745,7 @@ static int radeon_do_resume_cp(drm_device_t * dev)
DRM_DEBUG("Starting radeon_do_resume_cp()\n");
#if __OS_HAS_AGP
if (dev_priv->flags & CHIP_IS_AGP) {
if (dev_priv->flags & RADEON_IS_AGP) {
/* Turn off PCI GART */
radeon_set_pcigart(dev_priv, 0);
} else
@ -2194,7 +2194,7 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
dev->dev_private = (void *)dev_priv;
dev_priv->flags = flags;
switch (flags & CHIP_FAMILY_MASK) {
switch (flags & RADEON_FAMILY_MASK) {
case CHIP_R100:
case CHIP_RV200:
case CHIP_R200:
@ -2202,7 +2202,7 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
case CHIP_R350:
case CHIP_R420:
case CHIP_RV410:
dev_priv->flags |= CHIP_HAS_HIERZ;
dev_priv->flags |= RADEON_HAS_HIERZ;
break;
default:
/* all other chips have no hierarchical z buffer */
@ -2210,14 +2210,14 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
}
if (drm_device_is_agp(dev))
dev_priv->flags |= CHIP_IS_AGP;
dev_priv->flags |= RADEON_IS_AGP;
else if (drm_device_is_pcie(dev))
dev_priv->flags |= CHIP_IS_PCIE;
dev_priv->flags |= RADEON_IS_PCIE;
else
dev_priv->flags |= CHIP_IS_PCI;
dev_priv->flags |= RADEON_IS_PCI;
DRM_DEBUG("%s card detected\n",
((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : (((dev_priv->flags & CHIP_IS_PCIE) ? "PCIE" : "PCI"))));
((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
return ret;
}

25
shared-core/radeon_drv.h
View File

@ -134,16 +134,16 @@ enum radeon_cp_microcode_version {
* Chip flags
*/
enum radeon_chip_flags {
CHIP_FAMILY_MASK = 0x0000ffffUL,
CHIP_FLAGS_MASK = 0xffff0000UL,
CHIP_IS_MOBILITY = 0x00010000UL,
CHIP_IS_IGP = 0x00020000UL,
CHIP_SINGLE_CRTC = 0x00040000UL,
CHIP_IS_AGP = 0x00080000UL,
CHIP_HAS_HIERZ = 0x00100000UL,
CHIP_IS_PCIE = 0x00200000UL,
CHIP_NEW_MEMMAP = 0x00400000UL,
CHIP_IS_PCI = 0x00800000UL,
RADEON_FAMILY_MASK = 0x0000ffffUL,
RADEON_FLAGS_MASK = 0xffff0000UL,
RADEON_IS_MOBILITY = 0x00010000UL,
RADEON_IS_IGP = 0x00020000UL,
RADEON_SINGLE_CRTC = 0x00040000UL,
RADEON_IS_AGP = 0x00080000UL,
RADEON_HAS_HIERZ = 0x00100000UL,
RADEON_IS_PCIE = 0x00200000UL,
RADEON_NEW_MEMMAP = 0x00400000UL,
RADEON_IS_PCI = 0x00800000UL,
};
#define GET_RING_HEAD(dev_priv) (dev_priv->writeback_works ? \
@ -423,6 +423,8 @@ extern int r300_do_cp_cmdbuf(drm_device_t *dev, DRMFILE filp,
#define RADEON_RB3D_COLOROFFSET 0x1c40
#define RADEON_RB3D_COLORPITCH 0x1c48
#define RADEON_SRC_X_Y 0x1590
#define RADEON_DP_GUI_MASTER_CNTL 0x146c
# define RADEON_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0)
# define RADEON_GMC_DST_PITCH_OFFSET_CNTL (1 << 1)
@ -440,6 +442,7 @@ extern int r300_do_cp_cmdbuf(drm_device_t *dev, DRMFILE filp,
# define RADEON_ROP3_S 0x00cc0000
# define RADEON_ROP3_P 0x00f00000
#define RADEON_DP_WRITE_MASK 0x16cc
#define RADEON_SRC_PITCH_OFFSET 0x1428
#define RADEON_DST_PITCH_OFFSET 0x142c
#define RADEON_DST_PITCH_OFFSET_C 0x1c80
# define RADEON_DST_TILE_LINEAR (0 << 30)
@ -1095,7 +1098,7 @@ do { \
n, __FUNCTION__ ); \
} \
if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \
COMMIT_RING(); \
COMMIT_RING(); \
radeon_wait_ring( dev_priv, (n) * sizeof(u32) ); \
} \
_nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \

167
shared-core/radeon_state.c
View File

@ -42,7 +42,11 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
drm_file_t * filp_priv,
u32 * offset)
{
u32 off = *offset;
u64 off = *offset;
u32 fb_start = dev_priv->fb_location;
u32 fb_end = fb_start + dev_priv->fb_size - 1;
u32 gart_start = dev_priv->gart_vm_start;
u32 gart_end = gart_start + dev_priv->gart_size - 1;
struct drm_radeon_driver_file_fields *radeon_priv;
/* Hrm ... the story of the offset ... So this function converts
@ -62,10 +66,8 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
/* First, the best case, the offset already lands in either the
* framebuffer or the GART mapped space
*/
if ((off >= dev_priv->fb_location &&
off < (dev_priv->fb_location + dev_priv->fb_size)) ||
(off >= dev_priv->gart_vm_start &&
off < (dev_priv->gart_vm_start + dev_priv->gart_size)))
if ((off >= fb_start && off <= fb_end) ||
(off >= gart_start && off <= gart_end))
return 0;
/* Ok, that didn't happen... now check if we have a zero based
@ -78,16 +80,13 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
}
/* Finally, assume we aimed at a GART offset if beyond the fb */
if (off > (dev_priv->fb_location + dev_priv->fb_size))
off = off - (dev_priv->fb_location + dev_priv->fb_size) +
dev_priv->gart_vm_start;
if (off > fb_end)
off = off - fb_end - 1 + gart_start;
/* Now recheck and fail if out of bounds */
if ((off >= dev_priv->fb_location &&
off < (dev_priv->fb_location + dev_priv->fb_size)) ||
(off >= dev_priv->gart_vm_start &&
off < (dev_priv->gart_vm_start + dev_priv->gart_size))) {
DRM_DEBUG("offset fixed up to 0x%x\n", off);
if ((off >= fb_start && off <= fb_end) ||
(off >= gart_start && off <= gart_end)) {
DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
*offset = off;
return 0;
}
@ -175,6 +174,14 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
}
break;
case R200_EMIT_VAP_CTL: {
RING_LOCALS;
BEGIN_RING(2);
OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
ADVANCE_RING();
}
break;
case RADEON_EMIT_RB3D_COLORPITCH:
case RADEON_EMIT_RE_LINE_PATTERN:
case RADEON_EMIT_SE_LINE_WIDTH:
@ -202,7 +209,6 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
case R200_EMIT_TFACTOR_0:
case R200_EMIT_VTX_FMT_0:
case R200_EMIT_VAP_CTL:
case R200_EMIT_MATRIX_SELECT_0:
case R200_EMIT_TEX_PROC_CTL_2:
case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
@ -269,6 +275,8 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
unsigned int *cmdsz)
{
u32 *cmd = (u32 *) cmdbuf->buf;
u32 offset, narrays;
int count, i, k;
*cmdsz = 2 + ((cmd[0] & RADEON_CP_PACKET_COUNT_MASK) >> 16);
@ -282,10 +290,106 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
return DRM_ERR(EINVAL);
}
/* Check client state and fix it up if necessary */
if (cmd[0] & 0x8000) { /* MSB of opcode: next DWORD GUI_CNTL */
u32 offset;
switch(cmd[0] & 0xff00) {
/* XXX Are there old drivers needing other packets? */
case RADEON_3D_DRAW_IMMD:
case RADEON_3D_DRAW_VBUF:
case RADEON_3D_DRAW_INDX:
case RADEON_WAIT_FOR_IDLE:
case RADEON_CP_NOP:
case RADEON_3D_CLEAR_ZMASK:
/* case RADEON_CP_NEXT_CHAR:
case RADEON_CP_PLY_NEXTSCAN:
case RADEON_CP_SET_SCISSORS: */ /* probably safe but will never need them? */
/* these packets are safe */
break;
case RADEON_CP_3D_DRAW_IMMD_2:
case RADEON_CP_3D_DRAW_VBUF_2:
case RADEON_CP_3D_DRAW_INDX_2:
case RADEON_3D_CLEAR_HIZ:
/* safe but r200 only */
if (dev_priv->microcode_version != UCODE_R200) {
DRM_ERROR("Invalid 3d packet for r100-class chip\n");
return DRM_ERR(EINVAL);
}
break;
case RADEON_3D_LOAD_VBPNTR:
count = (cmd[0] >> 16) & 0x3fff;
if (count > 18) { /* 12 arrays max */
DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
count);
return DRM_ERR(EINVAL);
}
/* carefully check packet contents */
narrays = cmd[1] & ~0xc000;
k = 0;
i = 2;
while ((k < narrays) && (i < (count + 2))) {
i++; /* skip attribute field */
if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[i])) {
DRM_ERROR
("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
k, i);
return DRM_ERR(EINVAL);
}
k++;
i++;
if (k == narrays)
break;
/* have one more to process, they come in pairs */
if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[i])) {
DRM_ERROR
("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
k, i);
return DRM_ERR(EINVAL);
}
k++;
i++;
}
/* do the counts match what we expect ? */
if ((k != narrays) || (i != (count + 2))) {
DRM_ERROR
("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n",
k, i, narrays, count + 1);
return DRM_ERR(EINVAL);
}
break;
case RADEON_3D_RNDR_GEN_INDX_PRIM:
if (dev_priv->microcode_version != UCODE_R100) {
DRM_ERROR("Invalid 3d packet for r200-class chip\n");
return DRM_ERR(EINVAL);
}
if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[1])) {
DRM_ERROR("Invalid rndr_gen_indx offset\n");
return DRM_ERR(EINVAL);
}
break;
case RADEON_CP_INDX_BUFFER:
if (dev_priv->microcode_version != UCODE_R200) {
DRM_ERROR("Invalid 3d packet for r100-class chip\n");
return DRM_ERR(EINVAL);
}
if ((cmd[1] & 0x8000ffff) != 0x80000810) {
DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
return DRM_ERR(EINVAL);
}
if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[2])) {
DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
return DRM_ERR(EINVAL);
}
break;
case RADEON_CNTL_HOSTDATA_BLT:
case RADEON_CNTL_PAINT_MULTI:
case RADEON_CNTL_BITBLT_MULTI:
/* MSB of opcode: next DWORD GUI_CNTL */
if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
| RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
offset = cmd[2] << 10;
@ -307,6 +411,11 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
}
cmd[3] = (cmd[3] & 0xffc00000) | offset >> 10;
}
break;
default:
DRM_ERROR("Invalid packet type %x\n", cmd[0] & 0xff00);
return DRM_ERR(EINVAL);
}
return 0;
@ -862,7 +971,7 @@ static void radeon_cp_dispatch_clear(drm_device_t * dev,
*/
dev_priv->sarea_priv->ctx_owner = 0;
if ((dev_priv->flags & CHIP_HAS_HIERZ)
if ((dev_priv->flags & RADEON_HAS_HIERZ)
&& (flags & RADEON_USE_HIERZ)) {
/* FIXME : reverse engineer that for Rx00 cards */
/* FIXME : the mask supposedly contains low-res z values. So can't set
@ -907,7 +1016,7 @@ static void radeon_cp_dispatch_clear(drm_device_t * dev,
for (i = 0; i < nbox; i++) {
int tileoffset, nrtilesx, nrtilesy, j;
/* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */
if ((dev_priv->flags & CHIP_HAS_HIERZ)
if ((dev_priv->flags & RADEON_HAS_HIERZ)
&& !(dev_priv->microcode_version == UCODE_R200)) {
/* FIXME : figure this out for r200 (when hierz is enabled). Or
maybe r200 actually doesn't need to put the low-res z value into
@ -991,7 +1100,7 @@ static void radeon_cp_dispatch_clear(drm_device_t * dev,
}
/* TODO don't always clear all hi-level z tiles */
if ((dev_priv->flags & CHIP_HAS_HIERZ)
if ((dev_priv->flags & RADEON_HAS_HIERZ)
&& (dev_priv->microcode_version == UCODE_R200)
&& (flags & RADEON_USE_HIERZ))
/* r100 and cards without hierarchical z-buffer have no high-level z-buffer */
@ -1263,9 +1372,9 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev)
DRM_DEBUG("dispatch swap %d,%d-%d,%d\n", x, y, w, h);
BEGIN_RING(7);
BEGIN_RING(9);
OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5));
OUT_RING(CP_PACKET0(RADEON_DP_GUI_MASTER_CNTL, 0));
OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_BRUSH_NONE |
@ -1277,6 +1386,7 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev)
/* Make this work even if front & back are flipped:
*/
OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1));
if (dev_priv->current_page == 0) {
OUT_RING(dev_priv->back_pitch_offset);
OUT_RING(dev_priv->front_pitch_offset);
@ -1285,6 +1395,7 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev)
OUT_RING(dev_priv->back_pitch_offset);
}
OUT_RING(CP_PACKET0(RADEON_SRC_X_Y, 2));
OUT_RING((x << 16) | y);
OUT_RING((x << 16) | y);
OUT_RING((w << 16) | h);
@ -2653,10 +2764,10 @@ static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8);
RING_LOCALS;
if (!sz)
return 0;
if (sz * 4 > cmdbuf->bufsz)
return DRM_ERR(EINVAL);
if (!sz)
return 0;
if (sz * 4 > cmdbuf->bufsz)
return DRM_ERR(EINVAL);
BEGIN_RING(5 + sz);
OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
@ -3032,9 +3143,9 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS)
break;
case RADEON_PARAM_CARD_TYPE:
if (dev_priv->flags & CHIP_IS_PCIE)
if (dev_priv->flags & RADEON_IS_PCIE)
value = RADEON_CARD_PCIE;
else if (dev_priv->flags & CHIP_IS_AGP)
else if (dev_priv->flags & RADEON_IS_AGP)
value = RADEON_CARD_AGP;
else
value = RADEON_CARD_PCI;

1
shared-core/savage_bci.c
View File

@ -725,6 +725,7 @@ static int savage_do_init_bci(drm_device_t *dev, drm_savage_init_t *init)
dev_priv->status = NULL;
}
if (dev_priv->dma_type == SAVAGE_DMA_AGP && init->buffers_offset) {
dev->agp_buffer_token = init->buffers_offset;
dev->agp_buffer_map = drm_core_findmap(dev,
init->buffers_offset);
if (!dev->agp_buffer_map) {

22
shared-core/sis_drv.h
View File

@ -40,8 +40,8 @@
#define DRIVER_PATCHLEVEL 1
enum sis_family {
SIS_OTHER = 0,
SIS_CHIP_315 = 1,
SIS_OTHER = 0,
SIS_CHIP_315 = 1,
};
#if defined(__linux__)
@ -52,18 +52,18 @@ enum sis_family {
#include "drm_sman.h"
#define SIS_BASE (dev_priv->mmio)
#define SIS_READ(reg) DRM_READ32(SIS_BASE, reg);
#define SIS_READ(reg) DRM_READ32(SIS_BASE, reg);
#define SIS_WRITE(reg, val) DRM_WRITE32(SIS_BASE, reg, val);
typedef struct drm_sis_private {
drm_local_map_t *mmio;
unsigned idle_fault;
drm_sman_t sman;
unsigned long chipset;
int vram_initialized;
int agp_initialized;
unsigned long vram_offset;
unsigned long agp_offset;
drm_local_map_t *mmio;
unsigned idle_fault;
drm_sman_t sman;
unsigned long chipset;
int vram_initialized;
int agp_initialized;
unsigned long vram_offset;
unsigned long agp_offset;
} drm_sis_private_t;
extern int sis_idle(drm_device_t *dev);

18
shared-core/via_dma.c
View File

@ -44,14 +44,14 @@
#define CMDBUF_ALIGNMENT_MASK (0x0ff)
/* defines for VIA 3D registers */
#define VIA_REG_STATUS 0x400
#define VIA_REG_TRANSET 0x43C
#define VIA_REG_STATUS 0x400
#define VIA_REG_TRANSET 0x43C
#define VIA_REG_TRANSPACE 0x440
/* VIA_REG_STATUS(0x400): Engine Status */
#define VIA_CMD_RGTR_BUSY 0x00000080 /* Command Regulator is busy */
#define VIA_2D_ENG_BUSY 0x00000001 /* 2D Engine is busy */
#define VIA_3D_ENG_BUSY 0x00000002 /* 3D Engine is busy */
#define VIA_2D_ENG_BUSY 0x00000001 /* 2D Engine is busy */
#define VIA_3D_ENG_BUSY 0x00000002 /* 3D Engine is busy */
#define VIA_VR_QUEUE_BUSY 0x00020000 /* Virtual Queue is busy */
#define SetReg2DAGP(nReg, nData) { \
@ -120,7 +120,7 @@ via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size)
next_addr = cur_addr + size + 512*1024;
count = 1000000;
do {
hw_addr = *hw_addr_ptr - agp_base;
hw_addr = *hw_addr_ptr - agp_base;
if (count-- == 0) {
DRM_ERROR
("via_cmdbuf_wait timed out hw %x cur_addr %x next_addr %x\n",
@ -247,10 +247,10 @@ static int via_dma_init(DRM_IOCTL_ARGS)
else
retcode = via_dma_cleanup(dev);
break;
case VIA_DMA_INITIALIZED:
case VIA_DMA_INITIALIZED:
retcode = (dev_priv->ring.virtual_start != NULL) ?
0: DRM_ERR( EFAULT );
break;
break;
default:
retcode = DRM_ERR(EINVAL);
break;
@ -406,7 +406,7 @@ static int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
static inline uint32_t *via_align_buffer(drm_via_private_t * dev_priv,
uint32_t * vb, int qw_count)
{
for (; qw_count > 0; --qw_count) {
for (; qw_count > 0; --qw_count) {
VIA_OUT_RING_QW(HC_DUMMY, HC_DUMMY);
}
return vb;
@ -471,7 +471,7 @@ static int via_hook_segment(drm_via_private_t *dev_priv,
}
if (paused && !no_pci_fire) {
uint32_t rgtr,ptr;
uint32_t rgtr,ptr;
uint32_t ptr_low;
count = 1000000;

42
shared-core/via_drm.h
View File

@ -47,12 +47,12 @@
#define VIA_DRM_DRIVER_MAJOR 2
#define VIA_DRM_DRIVER_MINOR 10
#define VIA_DRM_DRIVER_PATCHLEVEL 2
#define VIA_DRM_DRIVER_VERSION (((VIA_DRM_DRIVER_MAJOR) << 16) | (VIA_DRM_DRIVER_MINOR))
#define VIA_DRM_DRIVER_VERSION (((VIA_DRM_DRIVER_MAJOR) << 16) | (VIA_DRM_DRIVER_MINOR))
#define VIA_NR_SAREA_CLIPRECTS 8
#define VIA_NR_XVMC_PORTS 10
#define VIA_NR_XVMC_LOCKS 5
#define VIA_MAX_CACHELINE_SIZE 64
#define VIA_NR_XVMC_PORTS 10
#define VIA_NR_XVMC_LOCKS 5
#define VIA_MAX_CACHELINE_SIZE 64
#define XVMCLOCKPTR(saPriv,lockNo) \
((volatile drm_hw_lock_t *)(((((unsigned long) (saPriv)->XvMCLockArea) + \
(VIA_MAX_CACHELINE_SIZE - 1)) & \
@ -67,29 +67,29 @@
#define VIA_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
#define VIA_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
#define VIA_UPLOAD_CTX 0x4
#define VIA_UPLOAD_CTX 0x4
#define VIA_UPLOAD_BUFFERS 0x8
#define VIA_UPLOAD_TEX0 0x10
#define VIA_UPLOAD_TEX1 0x20
#define VIA_UPLOAD_CLIPRECTS 0x40
#define VIA_UPLOAD_ALL 0xff
#define VIA_UPLOAD_ALL 0xff
/* VIA specific ioctls */
#define DRM_VIA_ALLOCMEM 0x00
#define DRM_VIA_FREEMEM 0x01
#define DRM_VIA_FREEMEM 0x01
#define DRM_VIA_AGP_INIT 0x02
#define DRM_VIA_FB_INIT 0x03
#define DRM_VIA_FB_INIT 0x03
#define DRM_VIA_MAP_INIT 0x04
#define DRM_VIA_DEC_FUTEX 0x05
#define NOT_USED
#define DRM_VIA_DMA_INIT 0x07
#define DRM_VIA_CMDBUFFER 0x08
#define DRM_VIA_FLUSH 0x09
#define DRM_VIA_PCICMD 0x0a
#define DRM_VIA_FLUSH 0x09
#define DRM_VIA_PCICMD 0x0a
#define DRM_VIA_CMDBUF_SIZE 0x0b
#define NOT_USED
#define DRM_VIA_WAIT_IRQ 0x0d
#define DRM_VIA_DMA_BLIT 0x0e
#define DRM_VIA_WAIT_IRQ 0x0d
#define DRM_VIA_DMA_BLIT 0x0e
#define DRM_VIA_BLIT_SYNC 0x0f
#define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
@ -172,7 +172,7 @@ typedef struct _drm_via_dma_init {
enum {
VIA_INIT_DMA = 0x01,
VIA_CLEANUP_DMA = 0x02,
VIA_DMA_INITIALIZED = 0x03
VIA_DMA_INITIALIZED = 0x03
} func;
unsigned long offset;
@ -217,7 +217,7 @@ typedef struct _drm_via_sarea {
/* Used by the 3d driver only at this point, for pageflipping:
*/
unsigned int pfCurrentOffset;
unsigned int pfCurrentOffset;
} drm_via_sarea_t;
typedef struct _drm_via_cmdbuf_size {
@ -273,17 +273,17 @@ typedef struct drm_via_blitsync {
*/
typedef struct drm_via_dmablit {
uint32_t num_lines;
uint32_t line_length;
uint32_t num_lines;
uint32_t line_length;
uint32_t fb_addr;
uint32_t fb_stride;
uint32_t fb_addr;
uint32_t fb_stride;
unsigned char *mem_addr;
uint32_t mem_stride;
unsigned char *mem_addr;
uint32_t mem_stride;
uint32_t flags;
int to_fb;
int to_fb;
drm_via_blitsync_t sync;
} drm_via_dmablit_t;

1
shared-core/via_drv.c
View File

@ -22,7 +22,6 @@
* DEALINGS IN THE SOFTWARE.
*/
#include <linux/config.h>
#include "drmP.h"
#include "via_drm.h"
#include "via_drv.h"

16
shared-core/via_drv.h
View File

@ -76,9 +76,9 @@ typedef struct drm_via_private {
volatile uint32_t *last_pause_ptr;
volatile uint32_t *hw_addr_ptr;
drm_via_ring_buffer_t ring;
struct timeval last_vblank;
int last_vblank_valid;
unsigned usec_per_vblank;
struct timeval last_vblank;
int last_vblank_valid;
unsigned usec_per_vblank;
drm_via_state_t hc_state;
char pci_buf[VIA_PCI_BUF_SIZE];
const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
@ -90,14 +90,14 @@ typedef struct drm_via_private {
uint32_t irq_enable_mask;
uint32_t irq_pending_mask;
int *irq_map;
/* Memory manager stuff */
/* Memory manager stuff */
#ifdef VIA_HAVE_CORE_MM
unsigned idle_fault;
unsigned int idle_fault;
drm_sman_t sman;
int vram_initialized;
int agp_initialized;
unsigned long vram_offset;
unsigned long agp_offset;
unsigned long vram_offset;
unsigned long agp_offset;
#endif
#ifdef VIA_HAVE_DMABLIT
drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
@ -148,8 +148,6 @@ extern int via_driver_dma_quiescent(drm_device_t * dev);
extern void via_init_futex(drm_via_private_t *dev_priv);
extern void via_cleanup_futex(drm_via_private_t *dev_priv);
extern void via_release_futex(drm_via_private_t *dev_priv, int context);
extern int via_driver_irq_wait(drm_device_t * dev, unsigned int irq,
int force_sequence, unsigned int *sequence);
#ifdef VIA_HAVE_CORE_MM
extern void via_reclaim_buffers_locked(drm_device_t *dev, struct file *filp);

25
shared-core/via_irq.c
View File

@ -43,7 +43,7 @@
#define VIA_REG_INTERRUPT 0x200
/* VIA_REG_INTERRUPT */
#define VIA_IRQ_GLOBAL (1 << 31)
#define VIA_IRQ_GLOBAL (1 << 31)
#define VIA_IRQ_VBLANK_ENABLE (1 << 19)
#define VIA_IRQ_VBLANK_PENDING (1 << 3)
#define VIA_IRQ_HQV0_ENABLE (1 << 11)
@ -93,8 +93,8 @@ static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1};
static unsigned time_diff(struct timeval *now,struct timeval *then)
{
return (now->tv_usec >= then->tv_usec) ?
now->tv_usec - then->tv_usec :
1000000 - (then->tv_usec - now->tv_usec);
now->tv_usec - then->tv_usec :
1000000 - (then->tv_usec - now->tv_usec);
}
irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
@ -110,21 +110,21 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
status = VIA_READ(VIA_REG_INTERRUPT);
if (status & VIA_IRQ_VBLANK_PENDING) {
atomic_inc(&dev->vbl_received);
if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
#ifdef __linux__
do_gettimeofday(&cur_vblank);
#else
microtime(&cur_vblank);
#endif
if (dev_priv->last_vblank_valid) {
if (dev_priv->last_vblank_valid) {
dev_priv->usec_per_vblank =
time_diff(&cur_vblank,
&dev_priv->last_vblank) >> 4;
}
dev_priv->last_vblank = cur_vblank;
dev_priv->last_vblank_valid = 1;
}
if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
}
if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
DRM_DEBUG("US per vblank is: %u\n",
dev_priv->usec_per_vblank);
}
@ -198,13 +198,13 @@ int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
return ret;
}
int
static int
via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
unsigned int *sequence)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
unsigned int cur_irq_sequence;
drm_via_irq_t *cur_irq = dev_priv->via_irqs;
drm_via_irq_t *cur_irq;
int ret = 0;
maskarray_t *masks;
int real_irq;
@ -231,7 +231,7 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
}
masks = dev_priv->irq_masks;
cur_irq += real_irq;
cur_irq = dev_priv->via_irqs + real_irq;
if (masks[real_irq][2] && !force_sequence) {
DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
@ -257,11 +257,12 @@ void via_driver_irq_preinstall(drm_device_t * dev)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
drm_via_irq_t *cur_irq = dev_priv->via_irqs;
drm_via_irq_t *cur_irq;
int i;
DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
if (dev_priv) {
cur_irq = dev_priv->via_irqs;
dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE;
dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING;
@ -285,7 +286,7 @@ void via_driver_irq_preinstall(drm_device_t * dev)
DRM_DEBUG("Initializing IRQ %d\n", i);
}
dev_priv->last_vblank_valid = 0;
dev_priv->last_vblank_valid = 0;
/* Clear VSync interrupt regs */
status = VIA_READ(VIA_REG_INTERRUPT);

8
shared-core/via_verifier.h
View File

@ -26,20 +26,20 @@
#ifndef _VIA_VERIFIER_H_
#define _VIA_VERIFIER_H_
typedef enum{
typedef enum {
no_sequence = 0,
z_address,
dest_address,
tex_address
}drm_via_sequence_t;
} drm_via_sequence_t;
typedef struct{
typedef struct {
unsigned texture;
uint32_t z_addr;
uint32_t d_addr;
uint32_t t_addr[2][10];
uint32_t t_addr[2][10];
uint32_t pitch[2][10];
uint32_t height[2][10];
uint32_t tex_level_lo[2];