drm/nouveau/fb: read TILE_BASE after writing it to avoid a hardware race
authorBen Skeggs <bskeggs@redhat.com>
Wed, 10 Oct 2012 01:09:48 +0000 (11:09 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Wed, 28 Nov 2012 23:56:29 +0000 (09:56 +1000)
commit6d338081a6008b3638ca45e0020c5a0cebe362fd
tree31dbce173142500d9bb74fbeb4d8876c7c61ea7d
parent5f8e256704e86df795037b18395fdf102b75199e
drm/nouveau/fb: read TILE_BASE after writing it to avoid a hardware race

Apparently needed for turbocache nv4x chips at least, we'll just do it
everywhere...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/core/subdev/fb/nv10.c
drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c
drivers/gpu/drm/nouveau/core/subdev/fb/nv41.c
drivers/gpu/drm/nouveau/core/subdev/fb/nv44.c