drm/nve4/graph: do not crash if no power device present
authorAlexandre Courbot <acourbot@nvidia.com>
Tue, 15 Jul 2014 01:36:11 +0000 (10:36 +0900)
committerBen Skeggs <bskeggs@redhat.com>
Sat, 9 Aug 2014 19:11:10 +0000 (05:11 +1000)
Detect and workaround the absence of a power device so chips that do not
feature one (e.g. GK20A) can still use this driver.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

No differences found