drm/nouveau/disp/nv50-: fetch head/OR state at beginning of supervisor

This data will be used by essentially every part of the supervisor
handling process.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-05-19 23:59:35 +10:00
commit 29c0ca7389
17 changed files with 165 additions and 0 deletions