drm/nouveau: reduce usage of fence spinlock to when absolutely necessary

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-05-31 12:00:43 +10:00
parent ca6adb8a21
commit 047d1d3cae
4 changed files with 8 additions and 31 deletions
--- a/drivers/gpu/drm/nouveau/nv04_graph.c
+++ b/drivers/gpu/drm/nouveau/nv04_graph.c
@@ -527,8 +527,7 @@ static int
 nv04_graph_mthd_set_ref(struct nouveau_channel *chan, int grclass,
 			int mthd, uint32_t data)
 {
-	chan->fence.last_sequence_irq = data;
-	nouveau_fence_handler(chan->dev, chan->id);
+	atomic_set(&chan->fence.last_sequence_irq, data);
 	return 0;
 }