drm/nvc0/fb: allocate page for some unknown PFFB object

Fixes DMAR faults during accel, more than likely a similar problem to what
was solved on nv50 previously.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-05-24 11:47:09 +10:00
commit 310ff414b3