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drm/msm/mdp4: disable vblanks when crtc is off
Signed-off-by: Rob Clark <robdclark@gmail.com>
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@ -290,6 +290,9 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc,
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if (WARN_ON(!mdp4_crtc->enabled))
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return;
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/* Disable/save vblank irq handling before power is disabled */
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drm_crtc_vblank_off(crtc);
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mdp_irq_unregister(&mdp4_kms->base, &mdp4_crtc->err);
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mdp4_disable(mdp4_kms);
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@ -308,6 +311,10 @@ static void mdp4_crtc_atomic_enable(struct drm_crtc *crtc,
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return;
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mdp4_enable(mdp4_kms);
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/* Restore vblank irq handling after power is enabled */
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drm_crtc_vblank_on(crtc);
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mdp_irq_register(&mdp4_kms->base, &mdp4_crtc->err);
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crtc_flush(crtc);
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