diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2010-09-20 07:48:00 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-09-20 07:48:32 +0400 |
| commit | c88739b373e4930ed082a607cb78bf82616fd076 (patch) | |
| tree | 251d969aa816dab5a62e6b36208b189b37de6534 /drivers/gpu/drm/nouveau/nouveau_fence.c | |
| parent | 3211af1119174fbe8b676422b74870cdd51d7314 (diff) | |
| parent | 827e3457022d0bb0b1bb8a0eb88501876fe7dcf0 (diff) | |
| download | linux-c88739b373e4930ed082a607cb78bf82616fd076.tar.xz | |
Merge remote branch 'trond/bugfixes' into for-2.6.37
Without some client-side fixes, server testing is currently difficult.
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 6b208ffafa8d..87ac21ec23d2 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); } |