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| author | Alexandre Courbot <acourbot@nvidia.com> | 2014-10-27 18:49:18 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-12-02 15:43:59 +1000 |
| commit | a81349a7b27adc66cc318ac0bc0f657b0b73a5af (patch) | |
| tree | 68da6c05a6b5f829944577a9aa2ffb4eded32e1c /drivers/gpu/drm/nouveau/nouveau_chan.c | |
| parent | c3a0c771e582a74a344fa9dd805662222f896181 (diff) | |
| download | op-kernel-dev-a81349a7b27adc66cc318ac0bc0f657b0b73a5af.zip op-kernel-dev-a81349a7b27adc66cc318ac0bc0f657b0b73a5af.tar.gz | |
drm/nouveau: allocate GPFIFOs and fences coherently
Specify TTM_PL_FLAG_UNCACHED when allocating GPFIFOs and fences to
allow them to be safely accessed by the kernel without being synced
on non-coherent architectures.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_chan.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_chan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index 77c81d6..0f3da86 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -102,7 +102,7 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, chan->drm = drm; /* allocate memory for dma push buffer */ - target = TTM_PL_FLAG_TT; + target = TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED; if (nouveau_vram_pushbuf) target = TTM_PL_FLAG_VRAM; |
