drm/msm/dpu: add real wait_for_commit_done()
authorRob Clark <robdclark@chromium.org>
Thu, 29 Aug 2019 16:45:10 +0000 (09:45 -0700)
committerRob Clark <robdclark@chromium.org>
Tue, 3 Sep 2019 23:17:01 +0000 (16:17 -0700)
commitfe9df3f50c39702520cbba2028fb3eed492164d3
tree2271b4c03234198d38c4bff5d0bbd3320e6af038
parentb4bb9f15b4439252872f0df4388b28f47f296b7f
drm/msm/dpu: add real wait_for_commit_done()

Just waiting for next vblank isn't ideal.. we should really be looking
at the hw FLUSH register value to know if there is still an in-progress
flush without stalling unnecessarily when there is no pending flush.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Sean Paul <sean@poorly.run>
Signed-off-by: Rob Clark <robdclark@chromium.org>
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c