linux-kernel - [PATCH v3 17/21] drm/mediatek: Set CRTC color pipeline driver cap

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Message-Id: <20251223-mtk-post-blend-color-pipeline-v3-17-7d969f9a37a0@collabora.com>
Date: Tue, 23 Dec 2025 15:01:37 -0300
From: Ariel D'Alessandro <ariel.dalessandro@...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>, 
 Louis Chauvet <louis.chauvet@...tlin.com>, 
 Haneen Mohammed <hamohammed.sa@...il.com>, 
 Melissa Wen <melissa.srw@...il.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 kernel@...labora.com, 
 Nícolas F. R. A. Prado <nfraprado@...labora.com>, 
 Ariel D'Alessandro <ariel.dalessandro@...labora.com>
Subject: [PATCH v3 17/21] drm/mediatek: Set CRTC color pipeline driver cap

From: "Nícolas F. R. A. Prado" <nfraprado@...labora.com>

Now that the driver implements CRTC (post-blend) color pipelines, set
the driver cap so they can be used from userspace.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
Co-developed-by: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
Reviewed-by: Louis Chauvet <louis.chauvet@...tlin.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index a94c51a832616..554b310ca11a5 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -613,7 +613,8 @@ static struct drm_gem_object *mtk_gem_prime_import(struct drm_device *dev,
 }

 static const struct drm_driver mtk_drm_driver = {
-	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
+	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC |
+			   DRIVER_CRTC_COLOR_PIPELINE,

 	.dumb_create = mtk_gem_dumb_create,
 	DRM_FBDEV_DMA_DRIVER_OPS,

-- 
2.51.0