From: Ben Skeggs Date: Wed, 21 Mar 2012 03:51:03 +0000 (+1000) Subject: drm/nouveau: move fence sequence check to start of loop X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b08abd4e9a11d637d3c2ff52b2ebbc1b3f686d06;p=linux-beck.git drm/nouveau: move fence sequence check to start of loop I want to be able to use REF_CNT from other places in the kernel without pushing a fence object onto the list of emitted fences. The current code makes an assumption that every time the acked sequence is bumped that there's at least one fence on the list that'll be signalled. This will no longer be true in the near future. Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index f676ecd3fd3c..c1dc20f6cb85 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -93,18 +93,17 @@ nouveau_fence_update(struct nouveau_channel *chan) } list_for_each_entry_safe(fence, tmp, &chan->fence.pending, entry) { - sequence = fence->sequence; + if (fence->sequence > chan->fence.sequence_ack) + break; + fence->signalled = true; list_del(&fence->entry); - - if (unlikely(fence->work)) + if (fence->work) fence->work(fence->priv, true); kref_put(&fence->refcount, nouveau_fence_del); - - if (sequence == chan->fence.sequence_ack) - break; } + out: spin_unlock(&chan->fence.lock); }