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| author | Ingo Molnar <mingo@elte.hu> | 2010-09-21 13:56:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-21 13:56:49 +0200 |
| commit | cf84fd96323633be7d437e1de4505fc82ff2c11a (patch) | |
| tree | 094b7a7421945c9ea244f3605378065935f1c100 /drivers/gpu/drm/nouveau/nouveau_fence.c | |
| parent | 31915ab4cbf507aadab40847cf9989da5e88b090 (diff) | |
| parent | b30a3f6257ed2105259b404d419b4964e363928c (diff) | |
| download | kernel_samsung_smdk4412-cf84fd96323633be7d437e1de4505fc82ff2c11a.zip kernel_samsung_smdk4412-cf84fd96323633be7d437e1de4505fc82ff2c11a.tar.gz kernel_samsung_smdk4412-cf84fd96323633be7d437e1de4505fc82ff2c11a.tar.bz2 | |
Merge commit 'v2.6.36-rc5' into sched/core
Merge reason: Pick up the latest fixes in -rc5.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 6b208ff..87ac21e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -64,16 +64,17 @@ nouveau_fence_update(struct nouveau_channel *chan) struct nouveau_fence *fence; uint32_t sequence; + spin_lock(&chan->fence.lock); + if (USE_REFCNT) sequence = nvchan_rd32(chan, 0x48); else sequence = atomic_read(&chan->fence.last_sequence_irq); if (chan->fence.sequence_ack == sequence) - return; + goto out; chan->fence.sequence_ack = sequence; - spin_lock(&chan->fence.lock); list_for_each_safe(entry, tmp, &chan->fence.pending) { fence = list_entry(entry, struct nouveau_fence, entry); @@ -85,6 +86,7 @@ nouveau_fence_update(struct nouveau_channel *chan) if (sequence == chan->fence.sequence_ack) break; } +out: spin_unlock(&chan->fence.lock); } |