From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800

---
 kernel/drivers/gpu/drm/rcar-du/rcar_du_plane.c |   33 +++++++++++++++------------------
 1 files changed, 15 insertions(+), 18 deletions(-)

diff --git a/kernel/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/kernel/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index c20f7ed..a0021fc 100644
--- a/kernel/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/kernel/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -1,22 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * rcar_du_plane.c  --  R-Car Display Unit Planes
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
-#include <drm/drmP.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fourcc.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_plane_helper.h>
 
@@ -690,14 +686,12 @@
 	if (state == NULL)
 		return;
 
+	__drm_atomic_helper_plane_reset(plane, &state->state);
+
 	state->hwindex = -1;
 	state->source = RCAR_DU_PLANE_MEMORY;
 	state->colorkey = RCAR_DU_COLORKEY_NONE;
 	state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
-
-	plane->state = &state->state;
-	plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
-	plane->state->plane = plane;
 }
 
 static int rcar_du_plane_atomic_set_property(struct drm_plane *plane,
@@ -789,14 +783,17 @@
 		drm_plane_helper_add(&plane->plane,
 				     &rcar_du_plane_helper_funcs);
 
-		if (type == DRM_PLANE_TYPE_PRIMARY)
-			continue;
-
-		drm_object_attach_property(&plane->plane.base,
-					   rcdu->props.colorkey,
-					   RCAR_DU_COLORKEY_NONE);
 		drm_plane_create_alpha_property(&plane->plane);
-		drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
+
+		if (type == DRM_PLANE_TYPE_PRIMARY) {
+			drm_plane_create_zpos_immutable_property(&plane->plane,
+								 0);
+		} else {
+			drm_object_attach_property(&plane->plane.base,
+						   rcdu->props.colorkey,
+						   RCAR_DU_COLORKEY_NONE);
+			drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
+		}
 	}
 
 	return 0;

--
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