[PATCH] drm: mali-dp: Disable planes when their CRTC gets disabled.

[Liviu Dudau]

Make sure only the planes on the active CRTCs get committed and
that all planes on the disabled CRTCs get turned off.

Reviewed-by: Brian Starkey <brian.starkey@xxxxxxx>
Signed-off-by: Liviu Dudau <liviu.dudau@xxxxxxx>
---
 drivers/gpu/drm/arm/malidp_crtc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c
index 153a496706262..904fff80917ba 100644
--- a/drivers/gpu/drm/arm/malidp_crtc.c
+++ b/drivers/gpu/drm/arm/malidp_crtc.c
@@ -77,6 +77,9 @@ static void malidp_crtc_atomic_disable(struct drm_crtc *crtc,
 	struct malidp_hw_device *hwdev = malidp->dev;
 	int err;
 
+	/* always disable planes on the CRTC that is being turned off */
+	drm_atomic_helper_disable_planes_on_crtc(old_state, false);
+
 	drm_crtc_vblank_off(crtc);
 	hwdev->hw->enter_config_mode(hwdev);
 
-- 
2.14.3