From f9a8c149e91ca18adfbadea5d562bc21197caf1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 23 Aug 2017 18:22:24 +0300
Subject: [PATCH] drm/i915: Eliminate obj->state usage from pre/post plane update
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Git-commit: f9a8c149e91ca18adfbadea5d562bc21197caf1a
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900

Dig up the appropriate new crtc and plane states from the top level
atomic state in intel_pre_plane_update() and intel_post_plane_update().

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170823152226.22938-5-ville.syrjala@linux.intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/intel_display.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5118,7 +5118,8 @@ static void intel_post_plane_update(stru
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
 	struct drm_atomic_state *old_state = old_crtc_state->base.state;
 	struct intel_crtc_state *pipe_config =
-		to_intel_crtc_state(crtc->base.state);
+		intel_atomic_get_new_crtc_state(to_intel_atomic_state(old_state),
+						crtc);
 	struct drm_plane *primary = crtc->base.primary;
 	struct drm_plane_state *old_pri_state =
 		drm_atomic_get_existing_plane_state(old_state, primary);
@@ -5130,7 +5131,8 @@ static void intel_post_plane_update(stru
 
 	if (old_pri_state) {
 		struct intel_plane_state *primary_state =
-			to_intel_plane_state(primary->state);
+			intel_atomic_get_new_plane_state(to_intel_atomic_state(old_state),
+							 to_intel_plane(primary));
 		struct intel_plane_state *old_primary_state =
 			to_intel_plane_state(old_pri_state);
 
@@ -5159,7 +5161,8 @@ static void intel_pre_plane_update(struc
 
 	if (old_pri_state) {
 		struct intel_plane_state *primary_state =
-			to_intel_plane_state(primary->state);
+			intel_atomic_get_new_plane_state(old_intel_state,
+							 to_intel_plane(primary));
 		struct intel_plane_state *old_primary_state =
 			to_intel_plane_state(old_pri_state);