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drm/nouveau: fix unconditional return waiting on memory 

Typo in nv50_display_flip_wait allows page flipping to run ahead before
memory has time to settle.

Signed-off-by: Calvin Owens <jcalvinowens@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Calvin Owens 2013-04-07 21:01:19 -05:00 committed by Ben Skeggs
parent e4604d8fe8
commit b1ea3e6e38
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nv50_display.c
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@ -479,7 +479,7 @@ nv50_display_flip_wait(void *data)
{ {
struct nv50_display_flip *flip = data; struct nv50_display_flip *flip = data;
if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) == if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
flip->chan->data); flip->chan->data)
return true; return true;
usleep_range(1, 2); usleep_range(1, 2);
return false; return false;