linux-kernel - [PATCH 04/11] drm/mediatek: ovl: Enable per-plane color operations on MT8195

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Message-Id: <20251223-mtk-ovl-pre-blend-colorops-v1-4-0cb99bd0ab33@collabora.com>
Date: Tue, 23 Dec 2025 16:44:45 -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 04/11] drm/mediatek: ovl: Enable per-plane color operations
 on MT8195

MT8195's OVL hardware supports per-plane color operations. Enable
support for it in the driver.

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

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 46238c21b0ac..cfc6a3154f73 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -738,6 +738,7 @@ static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = {
 	.fmt_rgb565_is_0 = true,
 	.smi_id_en = true,
 	.supports_afbc = true,
+	.supports_plane_colorops = true,
 	.blend_modes = BIT(DRM_MODE_BLEND_PREMULTI) |
 		       BIT(DRM_MODE_BLEND_COVERAGE) |
 		       BIT(DRM_MODE_BLEND_PIXEL_NONE),

-- 
2.51.0