linux-kernel - [PATCH v5 09/17] drm/rockchip: Add YUV422 output mode constants for VOP2

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Message-Id: <20251128-color-format-v5-9-63e82f1db1e1@collabora.com>
Date: Fri, 28 Nov 2025 22:05:45 +0100
From: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
To: Harry Wentland <harry.wentland@....com>, Leo Li <sunpeng.li@....com>, 
 Rodrigo Siqueira <siqueira@...lia.com>, 
 Alex Deucher <alexander.deucher@....com>, 
 Christian König <christian.koenig@....com>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Sandy Huang <hjc@...k-chips.com>, 
 Heiko Stübner <heiko@...ech.de>, 
 Andy Yan <andy.yan@...k-chips.com>, 
 Jani Nikula <jani.nikula@...ux.intel.com>, 
 Rodrigo Vivi <rodrigo.vivi@...el.com>, 
 Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, 
 Tvrtko Ursulin <tursulin@...ulin.net>, Dmitry Baryshkov <lumag@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, Rob Herring <robh@...nel.org>
Cc: kernel@...labora.com, amd-gfx@...ts.freedesktop.org, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
 intel-gfx@...ts.freedesktop.org, intel-xe@...ts.freedesktop.org, 
 Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Subject: [PATCH v5 09/17] drm/rockchip: Add YUV422 output mode constants
 for VOP2

The Rockchip display controller has a general YUV422 output mode, and
some SoC-specific connector-specific output modes for RK3576.

Add them, based on the values in downstream and the TRM (dsp_out_mode in
RK3576 TRM Part 2, register POST*_CTRL_POST_DSP_CTRL).

Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index 2e86ad00979c..4705dc6b8bd7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -30,10 +30,14 @@
 #define ROCKCHIP_OUT_MODE_P565		2
 #define ROCKCHIP_OUT_MODE_BT656		5
 #define ROCKCHIP_OUT_MODE_S888		8
+#define ROCKCHIP_OUT_MODE_YUV422	9
 #define ROCKCHIP_OUT_MODE_S888_DUMMY	12
 #define ROCKCHIP_OUT_MODE_YUV420	14
 /* for use special outface */
 #define ROCKCHIP_OUT_MODE_AAAA		15
+/* SoC specific output modes */
+#define ROCKCHIP_OUT_MODE_YUV422_RK3576_DP	12
+#define ROCKCHIP_OUT_MODE_YUV422_RK3576_HDMI	13
 
 /* output flags */
 #define ROCKCHIP_OUTPUT_DSI_DUAL	BIT(0)

-- 
2.52.0