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authorFrancisco Jerez2010-10-09 04:02:09 +0200
committerBen Skeggs2010-11-18 14:38:10 +1000
commit907af60b93045ae33b450553167aa8f684252de3 (patch)
tree7271e5e96f81ccead0f25245414bcfa019c6a0c4 /drivers/gpu
parentda3bd8203082794d26de3a0a6a7d1ee639d07eb1 (diff)
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fence.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 441b12420bb1..ab1bbfbf266e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -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)