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Merge remote branch 'origin/master' into modesetting-101 

Conflicts:

	linux-core/drm_compat.c
main
Dave Airlie 2008-03-05 10:37:02 +10:00
parent 81db48536c a6a2f2c8c4
commit 43891ff2d0
10 changed files with 122 additions and 38 deletions
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19
libdrm/xf86drm.c
View File

@ -2809,18 +2809,13 @@ int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint)
int drmBOBusy(int fd, drmBO *buf, int *busy)
{
if (!(buf->flags & DRM_BO_FLAG_SHAREABLE) &&
!(buf->replyFlags & DRM_BO_REP_BUSY)) {
*busy = 0;
return 0;
}
else {
int ret = drmBOInfo(fd, buf);
if (ret)
return ret;
*busy = (buf->replyFlags & DRM_BO_REP_BUSY);
return 0;
}
int ret = drmBOInfo(fd, buf);
if (ret)
return ret;
*busy = (buf->replyFlags & DRM_BO_REP_BUSY);
return 0;
}
int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,

2
linux-core/drm_agpsupport.c
View File

@ -666,7 +666,7 @@ void drm_agp_chipset_flush(struct drm_device *dev)
{
agp_flush_chipset(dev->agp->bridge);
}
EXPORT_SYMBOL(drm_agp_flush_chipset);
EXPORT_SYMBOL(drm_agp_chipset_flush);
#endif
#endif /* __OS_HAS_AGP */

33
linux-core/drm_bo_move.c
View File

@ -596,3 +596,36 @@ void drm_bo_kunmap(struct drm_bo_kmap_obj *map)
map->page = NULL;
}
EXPORT_SYMBOL(drm_bo_kunmap);
int drm_bo_pfn_prot(struct drm_buffer_object *bo,
unsigned long dst_offset,
unsigned long *pfn,
pgprot_t *prot)
{
struct drm_bo_mem_reg *mem = &bo->mem;
struct drm_device *dev = bo->dev;
unsigned long bus_offset;
unsigned long bus_size;
unsigned long bus_base;
struct drm_mem_type_manager *man = &dev->bm.man[mem->mem_type];
int ret;
ret = drm_bo_pci_offset(dev, mem, &bus_base, &bus_offset,
&bus_size);
if (ret)
return -EINVAL;
if (bus_size != 0)
*pfn = (bus_base + bus_offset + dst_offset) >> PAGE_SHIFT;
else if (!bo->ttm)
return -EINVAL;
else
*pfn = page_to_pfn(drm_ttm_get_page(bo->ttm, dst_offset >> PAGE_SHIFT));
*prot = (mem->flags & DRM_BO_FLAG_CACHED) ?
PAGE_KERNEL : drm_kernel_io_prot(man->drm_bus_maptype);
return 0;
}
EXPORT_SYMBOL(drm_bo_pfn_prot);

29
linux-core/drm_compat.c
View File

@ -779,3 +779,32 @@ struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devfn)
}
EXPORT_SYMBOL(pci_get_bus_and_slot);
#endif
#if defined(DRM_KMAP_ATOMIC_PROT_PFN) && defined(CONFIG_HIMEM)
#define drm_kmap_get_fixmap_pte(vaddr) \
pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), vaddr), (vaddr)), (vaddr))
void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
pgprot_t protection)
{
enum fixed_addresses idx;
unsigned long vaddr;
static pte_t *km_pte;
static int initialized = 0;
if (unlikely(!initialized)) {
km_pte = drm_kmap_get_fixmap_pte(__fix_to_virt(FIX_KMAP_BEGIN));
initialized = 1;
}
pagefault_disable();
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
set_pte(km_pte-idx, pfn_pte(pfn, protection));
return (void*) vaddr;
}
EXPORT_SYMBOL(kmap_atomic_prot_pfn);

5
linux-core/drm_compat.h
View File

@ -343,4 +343,9 @@ extern struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devf
#define PM_EVENT_PRETHAW 3
#endif
#if (defined(CONFIG_X86) && defined(CONFIG_X86_32) && defined(CONFIG_HIMEM))
#define DRM_KMAP_ATOMIC_PROT_PFN
extern void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
pgprot_t protection);
#endif
#endif

6
linux-core/drm_objects.h
View File

@ -383,7 +383,7 @@ extern int drm_ttm_destroy(struct drm_ttm *ttm);
* The array of page pointers was allocated with vmalloc
* instead of drm_calloc.
*/
#define DRM_TTM_PAGE_VMALLOC (1 << 4)
#define DRM_TTM_PAGEDIR_VMALLOC (1 << 4)
/*
* This ttm is mapped from user space
*/
@ -741,6 +741,10 @@ static inline void *drm_bmo_virtual(struct drm_bo_kmap_obj *map, int *is_iomem)
extern void drm_bo_kunmap(struct drm_bo_kmap_obj *map);
extern int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page,
unsigned long num_pages, struct drm_bo_kmap_obj *map);
extern int drm_bo_pfn_prot(struct drm_buffer_object *bo,
unsigned long dst_offset,
unsigned long *pfn,
pgprot_t *prot);
/*

21
linux-core/drm_ttm.c
View File

@ -42,11 +42,12 @@ void drm_ttm_cache_flush(void)
}
EXPORT_SYMBOL(drm_ttm_cache_flush);
/*
* Use kmalloc if possible. Otherwise fall back to vmalloc.
/**
* Allocates storage for pointers to the pages that back the ttm.
*
* Uses kmalloc if possible. Otherwise falls back to vmalloc.
*/
static void drm_ttm_alloc_pages(struct drm_ttm *ttm)
static void drm_ttm_alloc_page_directory(struct drm_ttm *ttm)
{
unsigned long size = ttm->num_pages * sizeof(*ttm->pages);
ttm->pages = NULL;
@ -60,19 +61,19 @@ static void drm_ttm_alloc_pages(struct drm_ttm *ttm)
if (!ttm->pages) {
ttm->pages = vmalloc_user(size);
if (ttm->pages)
ttm->page_flags |= DRM_TTM_PAGE_VMALLOC;
ttm->page_flags |= DRM_TTM_PAGEDIR_VMALLOC;
}
if (!ttm->pages)
drm_free_memctl(size);
}
static void drm_ttm_free_pages(struct drm_ttm *ttm)
static void drm_ttm_free_page_directory(struct drm_ttm *ttm)
{
unsigned long size = ttm->num_pages * sizeof(*ttm->pages);
if (ttm->page_flags & DRM_TTM_PAGE_VMALLOC) {
if (ttm->page_flags & DRM_TTM_PAGEDIR_VMALLOC) {
vfree(ttm->pages);
ttm->page_flags &= ~DRM_TTM_PAGE_VMALLOC;
ttm->page_flags &= ~DRM_TTM_PAGEDIR_VMALLOC;
} else {
drm_free(ttm->pages, size, DRM_MEM_TTM);
}
@ -215,7 +216,7 @@ int drm_ttm_destroy(struct drm_ttm *ttm)
else
drm_ttm_free_alloced_pages(ttm);
drm_ttm_free_pages(ttm);
drm_ttm_free_page_directory(ttm);
}
drm_ctl_free(ttm, sizeof(*ttm), DRM_MEM_TTM);
@ -349,7 +350,7 @@ struct drm_ttm *drm_ttm_create(struct drm_device *dev, unsigned long size,
* Account also for AGP module memory usage.
*/
drm_ttm_alloc_pages(ttm);
drm_ttm_alloc_page_directory(ttm);
if (!ttm->pages) {
drm_ttm_destroy(ttm);
DRM_ERROR("Failed allocating page table\n");

21
shared-core/drm.h
View File

@ -645,8 +645,14 @@ struct drm_set_version {
#define DRM_FENCE_FLAG_EMIT 0x00000001
#define DRM_FENCE_FLAG_SHAREABLE 0x00000002
/**
* On hardware with no interrupt events for operation completion,
* indicates that the kernel should sleep while waiting for any blocking
* operation to complete rather than spinning.
*
* Has no effect otherwise.
*/
#define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004
#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
#define DRM_FENCE_FLAG_NO_USER 0x00000010
/* Reserved for driver use */
@ -795,13 +801,12 @@ struct drm_fence_arg {
* with it as a result of this operation
*/
#define DRM_BO_HINT_DONT_FENCE 0x00000004
/*
* Sleep while waiting for the operation to complete.
* Without this flag, the kernel will, instead, spin
* until this operation has completed. I'm not sure
* why you would ever want this, so please always
* provide DRM_BO_HINT_WAIT_LAZY to any operation
* which may block
/**
* On hardware with no interrupt events for operation completion,
* indicates that the kernel should sleep while waiting for any blocking
* operation to complete rather than spinning.
*
* Has no effect otherwise.
*/
#define DRM_BO_HINT_WAIT_LAZY 0x00000008
/*

13
shared-core/i915_dma.c
View File

@ -804,6 +804,7 @@ struct i915_relocatee_info {
unsigned page_offset;
struct drm_bo_kmap_obj kmap;
int is_iomem;
int idle;
};
struct drm_i915_validate_buffer {
@ -859,6 +860,14 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers,
drm_bo_kunmap(&relocatee->kmap);
relocatee->data_page = NULL;
relocatee->offset = new_cmd_offset;
if (unlikely(!relocatee->idle)) {
ret = drm_bo_wait(relocatee->buf, 0, 0, 0);
if (ret)
return ret;
relocatee->idle = 1;
}
ret = drm_bo_kmap(relocatee->buf, new_cmd_offset >> PAGE_SHIFT,
1, &relocatee->kmap);
if (ret) {
@ -1002,10 +1011,6 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle,
}
mutex_lock (&relocatee.buf->mutex);
ret = drm_bo_wait (relocatee.buf, 0, 0, FALSE);
if (ret)
goto out_err1;
while (reloc_user_ptr) {
ret = i915_process_relocs(file_priv, buf_handle, &reloc_user_ptr, &relocatee, buffers, buf_count);
if (ret) {

7
shared-core/i915_irq.c
View File

@ -415,6 +415,13 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
if (i915_in_vblank(dev, pipe))
count++;
#endif
/* count may be reset by other driver(e.g. 2D driver),
we have no way to know if it is wrapped or resetted
when count is zero. do a rough guess.
*/
if (count == 0 && dev->last_vblank[pipe] < dev->max_vblank_count/2)
dev->last_vblank[pipe] = 0;
return count;
}