drm/nouveau/fb: protect comptags with private mutex

nvkm_subdev.mutex is going away.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
This commit is contained in:
Ben Skeggs 2020-12-02 16:24:20 +10:00
commit f5cfbd99aa
10 changed files with 29 additions and 23 deletions