drm/nouveau/kms/nv50-: also flush fb writes when rewinding push buffer
authorBen Skeggs <bskeggs@redhat.com>
Wed, 12 Dec 2018 06:51:17 +0000 (16:51 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Wed, 12 Dec 2018 06:58:43 +0000 (16:58 +1000)
commit970a5ee41c72df46e3b0f307528c7d8ef7734a2e
tree261d9d6f7b45e0c742aecb3971068065f4c06407
parent4ac0a807da6f79d5f2a65f991030aee503fece3a
drm/nouveau/kms/nv50-: also flush fb writes when rewinding push buffer

Should hopefully fix a regression some people have been seeing since EVO
push buffers were moved to VRAM by default on Pascal GPUs.

Fixes: d00ddd9da ("drm/nouveau/kms/nv50-: allocate push buffers in vidmem on pascal")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: <stable@vger.kernel.org> # 4.19+
drivers/gpu/drm/nouveau/dispnv50/disp.c