drm/nv50: implement possible workaround for NV86 PGRAPH TLB flush hang

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-10-22 10:26:24 +10:00
commit 56ac747535
7 changed files with 82 additions and 13 deletions