From: Rob Clark <robdclark@gmail.com>
Date: Tue, 24 Oct 2017 10:19:42 -0400
Subject: drm/msm/mdp5: ignore planes that are not visible
Git-commit: a055cf3a972e6a01933f9dfde564f5de944adde0
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
@@ -114,6 +114,8 @@ static u32 crtc_flush_all(struct drm_crt
 		return 0;
 
 	drm_atomic_crtc_for_each_plane(plane, crtc) {
+		if (!plane->state->visible)
+			continue;
 		flush_mask |= mdp5_plane_get_flush(plane);
 	}
 
@@ -242,6 +244,9 @@ static void blend_setup(struct drm_crtc
 	drm_atomic_crtc_for_each_plane(plane, crtc) {
 		enum mdp5_pipe right_pipe;
 
+		if (!plane->state->visible)
+			continue;
+
 		pstate = to_mdp5_plane_state(plane->state);
 		pstates[pstate->stage] = pstate;
 		stage[pstate->stage][PIPE_LEFT] = mdp5_plane_pipe(plane);
@@ -586,6 +591,9 @@ static int mdp5_crtc_atomic_check(struct
 	DBG("%s: check", crtc->name);
 
 	drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
+		if (!pstate->visible)
+			continue;
+
 		pstates[cnt].plane = plane;
 		pstates[cnt].state = to_mdp5_plane_state(pstate);