drm/nouveau: introduce a util function to wait on reg != val

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-11-19 14:32:56 +10:00 • committed by Francisco Jerez
commit 12fb952507
4 changed files with 35 additions and 13 deletions