linux-kernel - Re:[PATCH v7 11/22] drm/rockchip: vop2: Add RK3576 to the RG swap special case

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Message-ID: <4e851a3d.75f3.19be4d426d0.Coremail.andyshrk@163.com>
Date: Thu, 22 Jan 2026 16:31:07 +0800 (CST)
From: "Andy Yan" <andyshrk@....com>
To: "Nicolas Frattaroli" <nicolas.frattaroli@...labora.com>
Cc: "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>, "Jonathan Corbet" <corbet@....net>,
	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, linux-doc@...r.kernel.org
Subject: Re:[PATCH v7 11/22] drm/rockchip: vop2: Add RK3576 to the RG swap
 special case

Hello Nicolas，

At 2026-01-21 22:45:18, "Nicolas Frattaroli" <nicolas.frattaroli@...labora.com> wrote:
>Much like RK3588, RK3576 requires an RG swap to be performed for YUV444
>8-bit and YUV444 10-bit bus formats.
>
>Add its version to the already existing check for RK3588, so that YUV444
>output is correct on this platform.
>
>Fixes: 944757a4cba6 ("drm/rockchip: vop2: Add support for rk3576")
>Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>


   Reviewed-by: Andy Yan <andyshrk@....com>

>---
> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
>index 469c63dd97d5..f21efbca42e6 100644
>--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
>+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
>@@ -354,7 +354,8 @@ static bool vop2_output_uv_swap(u32 bus_format, u32 output_mode)
> 
> static bool vop2_output_rg_swap(struct vop2 *vop2, u32 bus_format)
> {
>-	if (vop2->version == VOP_VERSION_RK3588) {
>+	if (vop2->version == VOP_VERSION_RK3588 ||
>+	    vop2->version == VOP_VERSION_RK3576) {
> 		if (bus_format == MEDIA_BUS_FMT_YUV8_1X24 ||
> 		    bus_format == MEDIA_BUS_FMT_YUV10_1X30)
> 			return true;
>
>-- 
>2.52.0
>