drm/nouveau/privring: ack interrupts the same way as RM
Whatever it is that we were doing before doesn't work on Ampere.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Whatever it is that we were doing before doesn't work on Ampere.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>