drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
VRAM offset 0 is a valid address, triggered on GA102.
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
parent
add42781
VRAM offset 0 is a valid address, triggered on GA102.
Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>