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From befd79b4877f424d85a2d230916643fa3dd24551 Mon Sep 17 00:00:00 2001
From: "Nancy.Lin" <nancy.lin@mediatek.com>
Date: Mon, 20 Jun 2022 17:19:25 +0800
Subject: drm/mediatek: Add mediatek-drm plane color encoding info
Git-commit: 5621416b11f4147585751fdaf714a06ffe2f57b6
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849

Add plane color encoding information for color space conversion.
It's a preparation for adding support for mt8195 ovl_adaptor mdp_rdma
csc control.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220620091930.27797-10-nancy.lin@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/mediatek/mtk_drm_plane.c | 1 +
 drivers/gpu/drm/mediatek/mtk_drm_plane.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index 91f57cbde06b..5c0d9ce69931 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -140,6 +140,7 @@ static void mtk_plane_update_new_state(struct drm_plane_state *new_state,
 	mtk_plane_state->pending.width = drm_rect_width(&new_state->dst);
 	mtk_plane_state->pending.height = drm_rect_height(&new_state->dst);
 	mtk_plane_state->pending.rotation = new_state->rotation;
+	mtk_plane_state->pending.color_encoding = new_state->color_encoding;
 }
 
 static void mtk_plane_atomic_async_update(struct drm_plane *plane,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
index d454bece9535..2d5ec66e3df1 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
@@ -24,6 +24,7 @@ struct mtk_plane_pending_state {
 	bool				dirty;
 	bool				async_dirty;
 	bool				async_config;
+	enum drm_color_encoding		color_encoding;
 };
 
 struct mtk_plane_state {
-- 
2.38.1