tree 9b51ca424a1aa87f950133176975481938162dd6
parent b815a2e3f85cf93e02688fbbfb3bcc1fc1c54cba
author Roy Spliet <rs855@cam.ac.uk> 1457608740 +0000
committer Ben Skeggs <bskeggs@redhat.com> 1457914417 +1000

drm/nouveau/gr/fuc: Store $r0 in interrupt handler

It's supposed to always be 0, but at least nv_iowr() temporarily violates
this. Since the ih touches $r0, it should be stored.

Signed-off-by: Roy Spliet <rs855@cam.ac.uk>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>