linux-kernel - [PATCH 01/11] drm/mediatek: Introduce DDP plane_colorops

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Message-Id: <20251223-mtk-ovl-pre-blend-colorops-v1-1-0cb99bd0ab33@collabora.com>
Date: Tue, 23 Dec 2025 16:44:42 -0300
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 daniels@...labora.com, ariel.dalessandro@...labora.com, 
 kernel@...labora.com, 
 Nícolas F. R. A. Prado <nfraprado@...labora.com>
Subject: [PATCH 01/11] drm/mediatek: Introduce DDP plane_colorops_init()
 hook

Introduce a plane_colorops_init() hook to allow DDP components to define
how to initialize the color pipeline on their planes.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---
 drivers/gpu/drm/mediatek/mtk_ddp_comp.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
index 99bf1e1015da..3a7393b7f4c9 100644
--- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
@@ -13,6 +13,7 @@
 #include <linux/soc/mediatek/mtk-mutex.h>

 #include <drm/drm_modes.h>
+#include <drm/drm_plane.h>

 struct device;
 struct device_node;
@@ -86,6 +87,7 @@ struct mtk_ddp_comp_funcs {
 	const u32 *(*get_formats)(struct device *dev);
 	size_t (*get_num_formats)(struct device *dev);
 	bool (*is_afbc_supported)(struct device *dev);
+	int (*plane_colorops_init)(struct device *dev, struct drm_plane *plane);
 	void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
 	void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
 	void (*add)(struct device *dev, struct mtk_mutex *mutex);

-- 
2.51.0