drm/msm/mdp4: disable vblanks when crtc is off

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2017-10-17 09:39:39 -04:00
parent 63d51e36b5
commit cae923e6bf

View File

@ -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);