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Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

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* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/nouveau: allocate kernel's notifier object at end of block
This commit is contained in:
Linus Torvalds 2011-03-04 17:30:32 -08:00
commit be91bfebf2
3 changed files with 11 additions and 6 deletions
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3
drivers/gpu/drm/nouveau/nouveau_dma.c
View File

@ -83,7 +83,8 @@ nouveau_dma_init(struct nouveau_channel *chan)
return ret;
/* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */
ret = nouveau_notifier_alloc(chan, NvNotify0, 32, &chan->m2mf_ntfy);
ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfd0, 0x1000,
&chan->m2mf_ntfy);
if (ret)
return ret;

3
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -852,7 +852,8 @@ extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
extern int nouveau_notifier_init_channel(struct nouveau_channel *);
extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
extern int nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
int cout, uint32_t *offset);
int cout, uint32_t start, uint32_t end,
uint32_t *offset);
extern int nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
extern int nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
struct drm_file *);

11
drivers/gpu/drm/nouveau/nouveau_notifier.c
View File

@ -96,7 +96,8 @@ nouveau_notifier_gpuobj_dtor(struct drm_device *dev,
int
nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
int size, uint32_t *b_offset)
int size, uint32_t start, uint32_t end,
uint32_t *b_offset)
{
struct drm_device *dev = chan->dev;
struct nouveau_gpuobj *nobj = NULL;
@ -104,9 +105,10 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
uint32_t offset;
int target, ret;
mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0);
mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0,
start, end, 0);
if (mem)
mem = drm_mm_get_block(mem, size, 0);
mem = drm_mm_get_block_range(mem, size, 0, start, end);
if (!mem) {
NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
return -ENOMEM;
@ -177,7 +179,8 @@ nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data,
if (IS_ERR(chan))
return PTR_ERR(chan);
ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset);
ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000,
&na->offset);
nouveau_channel_put(&chan);
return ret;
}