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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-03-09 14:22:19 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-03-14 16:35:16 +1000 |
| commit | bd35fe5a7930bf83ed56422ea4e4b6471ee6f739 (patch) | |
| tree | 1ff63be39ccd22175d4fa61683865664181fef38 /block/elevator.c | |
| parent | 459ca7e5283914845d7139905ff58824d2b0cc85 (diff) | |
| download | talos-obmc-linux-bd35fe5a7930bf83ed56422ea4e4b6471ee6f739.tar.gz talos-obmc-linux-bd35fe5a7930bf83ed56422ea4e4b6471ee6f739.zip | |
drm/nouveau: fix __nouveau_fence_wait performance
Commit 21e86c1c8a844bf978f8fc431a59c9f5a578812d ("drm/nouveau: remove
cpu_writers lock") turned on lazy waits. Unfortunately
__nouveau_fence_wait was not optimized for this case and on HZ=100
kernel wasted up to 10 ms per call.
Depending on application, it led to 10-30% FPS regression.
Fix it.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Diffstat (limited to 'block/elevator.c')
0 files changed, 0 insertions, 0 deletions
