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Sync with Linux 2.4.0-test4 kernel

main
Rik Faith 2000-07-19 18:38:41 +00:00
parent 7b888f87fa
commit aed8549e91
18 changed files with 253 additions and 124 deletions
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94
linux-core/Makefile.kernel
View File

@ -9,9 +9,8 @@
# Note 2! The CFLAGS definitions are now inherited from the
# parent makes..
#
# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.6 2000/06/17 00:03:34 martin Exp $
L_TARGET := libdrm.a
O_TARGET := drm.o
L_OBJS := init.o memory.o proc.o auth.o context.o drawable.o bufs.o \
lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o \
@ -19,35 +18,92 @@ L_OBJS := init.o memory.o proc.o auth.o context.o drawable.o bufs.o \
M_OBJS :=
ifdef CONFIG_DRM_GAMMA
M_OBJS += gamma.o
ifeq ($(CONFIG_DRM_GAMMA),y)
OX_OBJS += gamma_drv.o
O_OBJS += gamma_dma.o
else
ifeq ($(CONFIG_DRM_GAMMA),m)
MIX_OBJS += gamma_drv.o
MI_OBJS += gamma_dma.o
M_OBJS += gamma.o
endif
endif
ifdef CONFIG_DRM_TDFX
M_OBJS += tdfx.o
ifeq ($(CONFIG_DRM_TDFX),y)
OX_OBJS += tdfx_drv.o
O_OBJS += tdfx_context.o
else
ifeq ($(CONFIG_DRM_TDFX),m)
MIX_OBJS += tdfx_drv.o
MI_OBJS += tdfx_context.o
M_OBJS += tdfx.o
endif
endif
ifdef CONFIG_DRM_MGA
M_OBJS += mga.o
ifeq ($(CONFIG_DRM_MGA),y)
OX_OBJS += mga_drv.o
O_OBJS += mga_context.o mga_dma.o mga_bufs.o mga_state.o
else
ifeq ($(CONFIG_DRM_MGA),m)
MIX_OBJS += mga_drv.o
MI_OBJS += mga_context.o mga_dma.o mga_bufs.o mga_state.o
M_OBJS += mga.o
endif
endif
ifdef CONFIG_DRM_R128
M_OBJS += r128.o
ifeq ($(CONFIG_DRM_I810),y)
OX_OBJS += i810_drv.o
O_OBJS += i810_context.o i810_bufs.o i810_dma.o
else
ifeq ($(CONFIG_DRM_I810),m)
MIX_OBJS += i810_drv.o
MI_OBJS += i810_context.o i810_bufs.o i810_dma.o
M_OBJS += i810.o
endif
endif
ifeq ($(CONFIG_DRM_R128),y)
OX_OBJS += r128_drv.o
O_OBJS += r128_context.o
else
ifeq ($(CONFIG_DRM_I810),m)
MIX_OBJS += r128_drv.o
MI_OBJS += r128_context.o
M_OBJS += r128.o
endif
endif
ifeq ($(CONFIG_DRM_FFB),y)
OX_OBJS += ffb_drv.o
O_OBJS += ffb_context.o
else
ifeq ($(CONFIG_DRM_FFB),m)
MIX_OBJC += ffb_drv.o
MI_OBJS += ffb_context.o
M_OBJS += ffb.o
endif
endif
O_OBJS += $(L_OBJS)
include $(TOPDIR)/Rules.make
gamma.o: gamma_drv.o gamma_dma.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ gamma_drv.o gamma_dma.o -L. -ldrm
gamma.o : gamma_drv.o gamma_dma.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ gamma_drv.o gamma_dma.o $(L_OBJS)
tdfx.o: tdfx_drv.o tdfx_context.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ tdfx_drv.o tdfx_context.o -L. -ldrm
tdfx.o: tdfx_drv.o tdfx_context.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ tdfx_drv.o tdfx_context.o $(L_OBJS)
i810.o: i810_drv.o i810_context.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ i810_drv.o i810_bufs.o i810_dma.o i810_context.o -L. -ldrm
mga.o: mga_drv.o mga_context.o mga_dma.o mga_bufs.o mga_state.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ mga_drv.o mga_bufs.o mga_dma.o \
mga_context.o mga_state.o $(L_OBJS)
mga.o: mga_drv.o mga_context.o mga_dma.o mga_bufs.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ mga_drv.o mga_bufs.o mga_dma.o mga_context.o mga_state.o -L. -ldrm
i810.o: i810_drv.o i810_context.o i810_bufs.o i810_dma.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ i810_drv.o i810_bufs.o i810_dma.o \
i810_context.o $(L_OBJS)
r128.o: r128_drv.o r128_context.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ r128_drv.o r128_context.o -L. -ldrm
$(LD) $(LD_RFLAG) -r -o $@ r128_drv.o r128_context.o $(L_OBJS)
ffb.o: ffb_drv.o ffb_context.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ ffb_drv.o ffb_context.o $(L_OBJS)

4
linux-core/i810_drv.c
View File

@ -49,6 +49,10 @@ static drm_device_t i810_device;
drm_ctx_t i810_res_ctx;
static struct file_operations i810_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: i810_open,
flush: drm_flush,
release: i810_release,

4
linux-core/mga_drv.c
View File

@ -48,6 +48,10 @@ static drm_device_t mga_device;
drm_ctx_t mga_res_ctx;
static struct file_operations mga_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: mga_open,
flush: drm_flush,
release: mga_release,

31
linux-core/r128_drv.c
View File

@ -47,6 +47,10 @@ static drm_device_t r128_device;
drm_ctx_t r128_res_ctx;
static struct file_operations r128_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: r128_open,
flush: drm_flush,
release: r128_release,
@ -369,6 +373,13 @@ int r128_init(void)
#ifdef DRM_AGP
dev->agp = drm_agp_init();
if (dev->agp == NULL) {
DRM_ERROR("Cannot initialize agpgart module.\n");
drm_proc_cleanup();
misc_deregister(&r128_misc);
r128_takedown(dev);
return -ENOMEM;
}
#ifdef CONFIG_MTRR
dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base,
@ -664,19 +675,11 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
DRM_ERROR("pid = %5d, old counter = %5ld\n",
current->pid, current->counter);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != r128_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY/4;
}
#if 0
while (current->counter > 25)
current->counter >>= 1; /* decrease time slice */
DRM_ERROR("pid = %5d, new counter = %5ld\n",
current->pid, current->counter);
#endif
DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
@ -718,19 +721,11 @@ int r128_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
current->policy |= SCHED_YIELD;
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(1000);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != r128_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY;
}
#if 0
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(10);
#endif
return 0;

24
linux-core/tdfx_drv.c
View File

@ -48,6 +48,10 @@ static drm_device_t tdfx_device;
drm_ctx_t tdfx_res_ctx;
static struct file_operations tdfx_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: tdfx_open,
flush: drm_flush,
release: tdfx_release,
@ -625,19 +629,11 @@ int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
DRM_ERROR("pid = %5d, old counter = %5ld\n",
current->pid, current->counter);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != tdfx_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY/4;
}
#if 0
while (current->counter > 25)
current->counter >>= 1; /* decrease time slice */
DRM_ERROR("pid = %5d, new counter = %5ld\n",
current->pid, current->counter);
#endif
DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
@ -679,19 +675,11 @@ int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
current->policy |= SCHED_YIELD;
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(1000);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != tdfx_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY;
}
#if 0
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(10);
#endif
return 0;

94
linux/Makefile.kernel
View File

@ -9,9 +9,8 @@
# Note 2! The CFLAGS definitions are now inherited from the
# parent makes..
#
# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.6 2000/06/17 00:03:34 martin Exp $
L_TARGET := libdrm.a
O_TARGET := drm.o
L_OBJS := init.o memory.o proc.o auth.o context.o drawable.o bufs.o \
lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o \
@ -19,35 +18,92 @@ L_OBJS := init.o memory.o proc.o auth.o context.o drawable.o bufs.o \
M_OBJS :=
ifdef CONFIG_DRM_GAMMA
M_OBJS += gamma.o
ifeq ($(CONFIG_DRM_GAMMA),y)
OX_OBJS += gamma_drv.o
O_OBJS += gamma_dma.o
else
ifeq ($(CONFIG_DRM_GAMMA),m)
MIX_OBJS += gamma_drv.o
MI_OBJS += gamma_dma.o
M_OBJS += gamma.o
endif
endif
ifdef CONFIG_DRM_TDFX
M_OBJS += tdfx.o
ifeq ($(CONFIG_DRM_TDFX),y)
OX_OBJS += tdfx_drv.o
O_OBJS += tdfx_context.o
else
ifeq ($(CONFIG_DRM_TDFX),m)
MIX_OBJS += tdfx_drv.o
MI_OBJS += tdfx_context.o
M_OBJS += tdfx.o
endif
endif
ifdef CONFIG_DRM_MGA
M_OBJS += mga.o
ifeq ($(CONFIG_DRM_MGA),y)
OX_OBJS += mga_drv.o
O_OBJS += mga_context.o mga_dma.o mga_bufs.o mga_state.o
else
ifeq ($(CONFIG_DRM_MGA),m)
MIX_OBJS += mga_drv.o
MI_OBJS += mga_context.o mga_dma.o mga_bufs.o mga_state.o
M_OBJS += mga.o
endif
endif
ifdef CONFIG_DRM_R128
M_OBJS += r128.o
ifeq ($(CONFIG_DRM_I810),y)
OX_OBJS += i810_drv.o
O_OBJS += i810_context.o i810_bufs.o i810_dma.o
else
ifeq ($(CONFIG_DRM_I810),m)
MIX_OBJS += i810_drv.o
MI_OBJS += i810_context.o i810_bufs.o i810_dma.o
M_OBJS += i810.o
endif
endif
ifeq ($(CONFIG_DRM_R128),y)
OX_OBJS += r128_drv.o
O_OBJS += r128_context.o
else
ifeq ($(CONFIG_DRM_I810),m)
MIX_OBJS += r128_drv.o
MI_OBJS += r128_context.o
M_OBJS += r128.o
endif
endif
ifeq ($(CONFIG_DRM_FFB),y)
OX_OBJS += ffb_drv.o
O_OBJS += ffb_context.o
else
ifeq ($(CONFIG_DRM_FFB),m)
MIX_OBJC += ffb_drv.o
MI_OBJS += ffb_context.o
M_OBJS += ffb.o
endif
endif
O_OBJS += $(L_OBJS)
include $(TOPDIR)/Rules.make
gamma.o: gamma_drv.o gamma_dma.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ gamma_drv.o gamma_dma.o -L. -ldrm
gamma.o : gamma_drv.o gamma_dma.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ gamma_drv.o gamma_dma.o $(L_OBJS)
tdfx.o: tdfx_drv.o tdfx_context.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ tdfx_drv.o tdfx_context.o -L. -ldrm
tdfx.o: tdfx_drv.o tdfx_context.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ tdfx_drv.o tdfx_context.o $(L_OBJS)
i810.o: i810_drv.o i810_context.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ i810_drv.o i810_bufs.o i810_dma.o i810_context.o -L. -ldrm
mga.o: mga_drv.o mga_context.o mga_dma.o mga_bufs.o mga_state.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ mga_drv.o mga_bufs.o mga_dma.o \
mga_context.o mga_state.o $(L_OBJS)
mga.o: mga_drv.o mga_context.o mga_dma.o mga_bufs.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ mga_drv.o mga_bufs.o mga_dma.o mga_context.o mga_state.o -L. -ldrm
i810.o: i810_drv.o i810_context.o i810_bufs.o i810_dma.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ i810_drv.o i810_bufs.o i810_dma.o \
i810_context.o $(L_OBJS)
r128.o: r128_drv.o r128_context.o $(L_TARGET)
$(LD) $(LD_RFLAG) -r -o $@ r128_drv.o r128_context.o -L. -ldrm
$(LD) $(LD_RFLAG) -r -o $@ r128_drv.o r128_context.o $(L_OBJS)
ffb.o: ffb_drv.o ffb_context.o $(L_OBJS)
$(LD) $(LD_RFLAG) -r -o $@ ffb_drv.o ffb_context.o $(L_OBJS)

4
linux/Makefile.linux
View File

@ -188,7 +188,9 @@ drmstat: $(PROGOBJS)
ChangeLog:
@rm -f Changelog
@rcs2log -i 2 -r -l \
| sed 's,@.*alephnull.com,@precisioninsight.com,' > ChangeLog
| sed 's,@.*light,,' \
| sed 's,/cvsroot/.*/drm/kernel/,,g' \
> ChangeLog
# .o files are used for modules

4
linux/bufs.c
View File

@ -73,11 +73,13 @@ int drm_addmap(struct inode *inode, struct file *filp, unsigned int cmd,
switch (map->type) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
#ifndef __sparc__
if (map->offset + map->size < map->offset
|| map->offset < virt_to_phys(high_memory)) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EINVAL;
}
#endif
#ifdef CONFIG_MTRR
if (map->type == _DRM_FRAME_BUFFER
|| (map->flags & _DRM_WRITE_COMBINING)) {
@ -484,8 +486,10 @@ int drm_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd,
-EFAULT);
if (request.count >= dma->buf_count) {
down(&current->mm->mmap_sem);
virtual = do_mmap(filp, 0, dma->byte_count,
PROT_READ|PROT_WRITE, MAP_SHARED, 0);
up(&current->mm->mmap_sem);
if (virtual > -1024UL) {
/* Real error */
retcode = (signed long)virtual;

12
linux/fops.c
View File

@ -94,7 +94,8 @@ int drm_release(struct inode *inode, struct file *filp)
DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n",
current->pid, dev->device, dev->open_count);
if (_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
if (dev->lock.hw_lock
&& _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
&& dev->lock.pid == current->pid) {
DRM_ERROR("Process %d dead, freeing lock for context %d\n",
current->pid,
@ -222,8 +223,15 @@ int drm_write_string(drm_device_t *dev, const char *s)
KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */
if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO);
#else
/* Parameter added in 2.3.21 */
/* Parameter added in 2.3.21. */
#if LINUX_VERSION_CODE < 0x020400
if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN);
#else
/* Type of first parameter changed in
Linux 2.4.0-test2... */
if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN);
#endif
#endif
DRM_DEBUG("waking\n");
wake_up_interruptible(&dev->buf_readers);

16
linux/gamma_drv.c
View File

@ -34,6 +34,7 @@
#include "drmP.h"
#include "gamma_drv.h"
#include <linux/pci.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
EXPORT_SYMBOL(gamma_init);
EXPORT_SYMBOL(gamma_cleanup);
@ -54,6 +55,10 @@ EXPORT_SYMBOL(gamma_cleanup);
static drm_device_t gamma_device;
static struct file_operations gamma_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: gamma_open,
flush: drm_flush,
release: gamma_release,
@ -284,12 +289,12 @@ static int gamma_takedown(drm_device_t *dev)
- PAGE_SHIFT,
DRM_MEM_SAREA);
break;
#ifdef DRM_AGP
case _DRM_AGP:
#ifdef DRM_AGP
/* Do nothing here, because this is all
handled in the AGP/GART driver. */
break;
#endif
break;
}
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
}
@ -476,6 +481,7 @@ int gamma_release(struct inode *inode, struct file *filp)
int retcode = 0;
DRM_DEBUG("open_count = %d\n", dev->open_count);
lock_kernel();
if (!(retcode = drm_release(inode, filp))) {
MOD_DEC_USE_COUNT;
atomic_inc(&dev->total_close);
@ -486,13 +492,17 @@ int gamma_release(struct inode *inode, struct file *filp)
atomic_read(&dev->ioctl_count),
dev->blocked);
spin_unlock(&dev->count_lock);
unlock_kernel();
return -EBUSY;
}
spin_unlock(&dev->count_lock);
return gamma_takedown(dev);
retcode = gamma_takedown(dev);
unlock_kernel();
return retcode;
}
spin_unlock(&dev->count_lock);
}
unlock_kernel();
return retcode;
}

2
linux/gamma_drv.h
View File

@ -25,7 +25,7 @@
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rickard E. (Rik) Faith <faith@precisioninsight.com>
* Rickard E. (Rik) Faith <faith@valinux.com>
*
*/

4
linux/i810_drv.c
View File

@ -49,6 +49,10 @@ static drm_device_t i810_device;
drm_ctx_t i810_res_ctx;
static struct file_operations i810_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: i810_open,
flush: drm_flush,
release: i810_release,

7
linux/init.c
View File

@ -97,10 +97,17 @@ void drm_parse_options(char *s)
}
}
/* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0
* otherwise. */
int drm_cpu_valid(void)
{
#if defined(__i386__)
if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */
#endif
#if defined(__sparc__) && !defined(__sparc_v9__)
if (1)
return 0; /* No cmpxchg before v9 sparc. */
#endif
return 1;
}

4
linux/mga_drv.c
View File

@ -48,6 +48,10 @@ static drm_device_t mga_device;
drm_ctx_t mga_res_ctx;
static struct file_operations mga_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: mga_open,
flush: drm_flush,
release: mga_release,

12
linux/proc.c
View File

@ -228,7 +228,7 @@ static int _drm_queues_info(char *buf, char **start, off_t offset, int len,
atomic_inc(&q->use_count);
DRM_PROC_PRINT_RET(atomic_dec(&q->use_count),
"%5d/0x%03x %5d %5d"
" %5d/%c%c/%c%c%c %5d %10d %10d %10d\n",
" %5d/%c%c/%c%c%c %5Zd %10d %10d %10d\n",
i,
q->flags,
atomic_read(&q->use_count),
@ -351,17 +351,21 @@ static int drm_clients_info(char *buf, char **start, off_t offset, int len,
#if DRM_DEBUG_CODE
#define DRM_VMA_VERBOSE 0
static int _drm_vma_info(char *buf, char **start, off_t offset, int len,
int *eof, void *data)
{
drm_device_t *dev = (drm_device_t *)data;
drm_vma_entry_t *pt;
struct vm_area_struct *vma;
#if DRM_VMA_VERBOSE
unsigned long i;
unsigned long address;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
unsigned long i;
struct vm_area_struct *vma;
unsigned long address;
#endif
#if defined(__i386__)
unsigned int pgprot;
#endif

31
linux/r128_drv.c
View File

@ -47,6 +47,10 @@ static drm_device_t r128_device;
drm_ctx_t r128_res_ctx;
static struct file_operations r128_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: r128_open,
flush: drm_flush,
release: r128_release,
@ -369,6 +373,13 @@ int r128_init(void)
#ifdef DRM_AGP
dev->agp = drm_agp_init();
if (dev->agp == NULL) {
DRM_ERROR("Cannot initialize agpgart module.\n");
drm_proc_cleanup();
misc_deregister(&r128_misc);
r128_takedown(dev);
return -ENOMEM;
}
#ifdef CONFIG_MTRR
dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base,
@ -664,19 +675,11 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
DRM_ERROR("pid = %5d, old counter = %5ld\n",
current->pid, current->counter);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != r128_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY/4;
}
#if 0
while (current->counter > 25)
current->counter >>= 1; /* decrease time slice */
DRM_ERROR("pid = %5d, new counter = %5ld\n",
current->pid, current->counter);
#endif
DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
@ -718,19 +721,11 @@ int r128_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
current->policy |= SCHED_YIELD;
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(1000);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != r128_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY;
}
#if 0
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(10);
#endif
return 0;

24
linux/tdfx_drv.c
View File

@ -48,6 +48,10 @@ static drm_device_t tdfx_device;
drm_ctx_t tdfx_res_ctx;
static struct file_operations tdfx_fops = {
#if LINUX_VERSION_CODE >= 0x020322
/* This started being used approx. 2.3.34 */
owner: THIS_MODULE,
#endif
open: tdfx_open,
flush: drm_flush,
release: tdfx_release,
@ -625,19 +629,11 @@ int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
DRM_ERROR("pid = %5d, old counter = %5ld\n",
current->pid, current->counter);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != tdfx_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY/4;
}
#if 0
while (current->counter > 25)
current->counter >>= 1; /* decrease time slice */
DRM_ERROR("pid = %5d, new counter = %5ld\n",
current->pid, current->counter);
#endif
DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
@ -679,19 +675,11 @@ int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
}
}
#if 0
current->policy |= SCHED_YIELD;
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(1000);
#endif
#if LINUX_VERSION_CODE < 0x020400
if (lock.context != tdfx_res_ctx.handle) {
current->counter = 5;
current->priority = DEF_PRIORITY;
}
#if 0
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(10);
#endif
return 0;

4
linux/tdfx_drv.h
View File

@ -25,8 +25,8 @@
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rickard E. (Rik) Faith <faith@precisioninsight.com>
* Daryll Strauss <daryll@precisioninsight.com>
* Rickard E. (Rik) Faith <faith@valinux.com>
* Daryll Strauss <daryll@valinux.com>
*
*/