drm/nvd0-/disp: handle case where display engine is missing/disabled

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Maarten Lankhorst 2013-06-27 17:35:53 +10:00 • committed by Ben Skeggs
commit 791dc143ed
6 changed files with 17 additions and 7 deletions