diff options
| author | Sean Paul <seanpaul@chromium.org> | 2018-10-03 23:22:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-21 16:13:12 +0300 |
| commit | 5094dea5acab748453e75fcb53db6fe9ce629ab7 (patch) | |
| tree | 70916e3c1eea01033363c156666dbad78f6731fb | |
| parent | 81710cedad2fa7ea3221cdf77bcb1d39683f07ac (diff) | |
| download | linux-5094dea5acab748453e75fcb53db6fe9ce629ab7.tar.xz | |
drm/msm: Grab a vblank reference when waiting for commit_done
[ Upstream commit 3b712e43e3876b42b38321ecf790a1f5fe59c834 ]
Similar to the atomic helpers, we should enable vblank while we're
waiting for the commit to finish. DPU needs this, MDP5 seems to work
fine without it.
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/msm/msm_atomic.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 025d454163b0..8f77047a226d 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -93,7 +93,12 @@ static void msm_atomic_wait_for_commit_done(struct drm_device *dev, if (!new_crtc_state->active) continue; + if (drm_crtc_vblank_get(crtc)) + continue; + kms->funcs->wait_for_crtc_commit_done(kms, crtc); + + drm_crtc_vblank_put(crtc); } } |