diff options
| author | Yunyun Cao <yunyunc@codeaurora.org> | 2017-04-06 18:49:15 +0800 |
|---|---|---|
| committer | Yunyun Cao <yunyunc@codeaurora.org> | 2017-04-07 12:18:27 +0800 |
| commit | 944eba2af148c3cbd6c2a5e16af80cb576f52c64 (patch) | |
| tree | 3e76bf84c5fcbb71334c7477f964f5269527d17a /drivers/gpu | |
| parent | e8a49b120cbc3a0472aebcd0f8b06cf95f775a54 (diff) | |
drm: sde: enable vblank event when begin to wait for commit done
vblank event is not enabled and vblank callback function
is not registered. As a result, vblank event could not be
received in user space. Get crtc vblank when start to wait
for commit done to fix this.
Change-Id: I5e348eaf689a0bb7384f8dcee787edcf44772eb6
Signed-off-by: Yunyun Cao <yunyunc@codeaurora.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/sde/sde_kms.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/sde/sde_kms.c b/drivers/gpu/drm/msm/sde/sde_kms.c index 581918da183f..c92a61c06472 100644 --- a/drivers/gpu/drm/msm/sde/sde_kms.c +++ b/drivers/gpu/drm/msm/sde/sde_kms.c @@ -416,6 +416,10 @@ static void sde_kms_wait_for_commit_done(struct msm_kms *kms, return; } + ret = drm_crtc_vblank_get(crtc); + if (ret) + return; + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (encoder->crtc != crtc) continue; @@ -431,6 +435,8 @@ static void sde_kms_wait_for_commit_done(struct msm_kms *kms, break; } } + + drm_crtc_vblank_put(crtc); } static void sde_kms_prepare_fence(struct msm_kms *kms, |