drm/nouveau/kms/nv50-: add fp16 scanout support

Older hardware seems to want 0..1024 values, while new hardware takes
0..1 values. We set the gain to 1024 for the earlier display classes.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ilia Mirkin 2019-05-27 22:58:37 -04:00 • committed by Ben Skeggs
commit 38a7224323
7 changed files with 66 additions and 18 deletions