drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads
authorBen Skeggs <bskeggs@redhat.com>
Tue, 28 Jul 2015 07:20:57 +0000 (17:20 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Tue, 28 Jul 2015 07:22:13 +0000 (17:22 +1000)
Userspace has started doing this, which upsets the display class hw
error checking in various unpleasant ways.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nv50_display.c