drm/nouveau/kms/nv50: fix atomic regression on original G80

Reported-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-12-13 11:18:46 +10:00
commit 19d53d0147