Commit 907af60b authored by Francisco Jerez's avatar Francisco Jerez Committed by Ben Skeggs
Browse files

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


Signed-off-by: default avatarFrancisco Jerez <currojerez@riseup.net>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent da3bd820
......@@ -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)
......
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