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

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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