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drm/nouveau: Fix sleep while atomic in the semaphore code. 

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-10-09 04:02:09 +02:00 committed by Ben Skeggs
parent da3bd82030
commit 907af60b93
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/nouveau/nouveau_fence.c
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@ -249,6 +249,7 @@ alloc_semaphore(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_semaphore *sema;
int ret;
if (!USE_SEMA(dev))
return NULL;
@ -257,10 +258,14 @@ alloc_semaphore(struct drm_device *dev)
if (!sema)
goto fail;
ret = drm_mm_pre_get(&dev_priv->fence.heap);
if (ret)
goto fail;
spin_lock(&dev_priv->fence.lock);
sema->mem = drm_mm_search_free(&dev_priv->fence.heap, 4, 0, 0);
if (sema->mem)
sema->mem = drm_mm_get_block(sema->mem, 4, 0);
sema->mem = drm_mm_get_block_atomic(sema->mem, 4, 0);
spin_unlock(&dev_priv->fence.lock);
if (!sema->mem)