diff options
author | Roy Spliet <rspliet@eclipso.eu> | 2015-09-30 00:23:51 +0100 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2015-11-03 15:02:18 +1000 |
commit | 271c27665c2d2f719a2fca6a3530a82984f22cca (patch) | |
tree | df6a58d0c215da5ef7136f989fbc31f8554960e5 /drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h | |
parent | 4d9faafa0fdda2f4ba04b5cdffc0af1bab2312f4 (diff) |
drm/nouveau/bus/hwsq: Implement VBLANK waiting heuristic
Avoids waiting for VBLANKS that never arrive on headless or otherwise
unconventional set-ups. Strategy taken from MEMX.
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h index 8117ec5a1468..54ec3b131dfd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h @@ -134,6 +134,12 @@ hwsq_wait(struct hwsq *ram, u8 flag, u8 data) } static inline void +hwsq_wait_vblank(struct hwsq *ram) +{ + nvkm_hwsq_wait_vblank(ram->hwsq); +} + +static inline void hwsq_nsec(struct hwsq *ram, u32 nsec) { nvkm_hwsq_nsec(ram->hwsq, nsec); |