diff options
| author | Rob Clark | 2017-10-17 15:39:39 +0200 |
|---|---|---|
| committer | Rob Clark | 2017-10-28 17:01:34 +0200 |
| commit | cae923e6bf2168d1e332977e1de224ee5da1a32c (patch) | |
| tree | 7e426d89c7a613c273dde6f6478ba906d31fc3cc /drivers/gpu/drm/msm | |
| parent | dt-bindings: display: msm: update clk names (diff) | |
| download | kernel-qcow2-linux-cae923e6bf2168d1e332977e1de224ee5da1a32c.tar.gz kernel-qcow2-linux-cae923e6bf2168d1e332977e1de224ee5da1a32c.tar.xz kernel-qcow2-linux-cae923e6bf2168d1e332977e1de224ee5da1a32c.zip | |
drm/msm/mdp4: disable vblanks when crtc is off
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index 47fa2aba1983..14bd3bd3e040 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -290,6 +290,9 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, if (WARN_ON(!mdp4_crtc->enabled)) return; + /* Disable/save vblank irq handling before power is disabled */ + drm_crtc_vblank_off(crtc); + mdp_irq_unregister(&mdp4_kms->base, &mdp4_crtc->err); mdp4_disable(mdp4_kms); @@ -308,6 +311,10 @@ static void mdp4_crtc_atomic_enable(struct drm_crtc *crtc, return; mdp4_enable(mdp4_kms); + + /* Restore vblank irq handling after power is enabled */ + drm_crtc_vblank_on(crtc); + mdp_irq_register(&mdp4_kms->base, &mdp4_crtc->err); crtc_flush(crtc); |