From nobody Mon Feb 9 19:38:09 2026 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3314E13D53C; Sun, 1 Feb 2026 08:15:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769933721; cv=none; b=G/6G+9MLzhoa0nHC2t7MmiC8r2LJCcsRefK0FhJZJRf7j/KLSr1aG34NljmWBJ6hcCSjZU0nSSmIX+Bd5AawFoO0WeOoKFN5AEcpzmEHiS4QYZV2KE0wkcuHq4r6WdjJdjetyU5ms5/BA8qiQtXg78rGv/qHkmE/h/ZOWPVMAhc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769933721; c=relaxed/simple; bh=UYURmv/YK0Lci9Y2W/wr3SBUyUWV7vjhDFEyxJicCHI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YHD4+rYmXwugoyZh7qpWgo0M51wvfkzjHKOMJlyGoYJ2VCAHc0OeDmZHRfsjgaeMOv5bsBD7/h46F4aFMSZtPisNuY55l4t5HHU8gg61dBl5eWiTd1NZsFWKQLURMh6hoX6h9bOPqo0U5B68XBGONjgbd3bgqu+b7u31TaZ8c3w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=qBHsPxq7; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="qBHsPxq7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=m/ XW2LDrF07MmdRlAaEu9X1m0f7azZC8MoM77XmYfbo=; b=qBHsPxq7f25rNgkgbX P+W4teQRngNu6RYgD02A6fj0pCgPb90yLSWW4FH8pEhRi4ZKLJR7Vn1r0jITE0ea aACCc8yfIKrSL2jjyeqyRyhD/d1kfbSTDo/h87gtSfSlL8wv/bP9bN2532J9qMB5 f8GTAuMtVh22iWsJMFr+VQ9Iw= Received: from ProDesk-480.. (unknown []) by gzga-smtp-mtada-g0-2 (Coremail) with SMTP id _____wD3Hz40C39pmxGTKQ--.55310S6; Sun, 01 Feb 2026 16:13:51 +0800 (CST) From: Andy Yan To: dmitry.baryshkov@oss.qualcomm.com, heiko@sntech.de Cc: alchark@gmail.com, andrzej.hajda@intel.com, conor+dt@kernel.org, cristian.ciocaltea@collabora.com, airlied@gmail.com, jernej.skrabec@gmail.com, jonas@kwiboo.se, kever.yang@rock-chips.com, krzk+dt@kernel.org, Laurent.pinchart@ideasonboard.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, neil.armstrong@linaro.org, nicolas.frattaroli@collabora.com, robh@kernel.org, rfoss@kernel.org, hjc@rock-chips.com, sebastian.reichel@collabora.com, simona@ffwll.ch, tzimmermann@suse.de, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Andy Yan Subject: [PATCH v2 4/5] drm/rockchip: dw_dp: Add DisplayPort support for rk3576 Date: Sun, 1 Feb 2026 16:13:30 +0800 Message-ID: <20260201081338.407999-5-andyshrk@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260201081338.407999-1-andyshrk@163.com> References: <20260201081338.407999-1-andyshrk@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wD3Hz40C39pmxGTKQ--.55310S6 X-Coremail-Antispam: 1Uf129KBjvJXoW7Aw48Jr4rAr43uw1fCr45Wrg_yoW8JFW3pa nrGryjqrWkWr4Yva4qyFWxuFsIk3ZrZay7Kr4UG343tws3KryfWryagw1UGr92q3W7ZF1a krsrW34UJa1a9rDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jq38nUUUUU= X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/xtbCxh8Maml-Cz-UIAAA3p Content-Type: text/plain; charset="utf-8" From: Andy Yan The DisplayPort of the RK3576 is basically the same as that of the RK3588, but it operates in dual-pixel mode and also support MST. This patch only enable the SST output now. Signed-off-by: Andy Yan Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel --- (no changes since v1) drivers/gpu/drm/rockchip/dw_dp-rockchip.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/rockchip/dw_dp-rockchip.c b/drivers/gpu/drm/ro= ckchip/dw_dp-rockchip.c index 89d614d53596..dac3d202971e 100644 --- a/drivers/gpu/drm/rockchip/dw_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_dp-rockchip.c @@ -142,10 +142,18 @@ static const struct dw_dp_plat_data rk3588_dp_plat_da= ta =3D { .pixel_mode =3D DW_DP_MP_QUAD_PIXEL, }; =20 +static const struct dw_dp_plat_data rk3576_dp_plat_data =3D { + .max_link_rate =3D 810000, + .pixel_mode =3D DW_DP_MP_DUAL_PIXEL, +}; + static const struct of_device_id dw_dp_of_match[] =3D { { .compatible =3D "rockchip,rk3588-dp", .data =3D &rk3588_dp_plat_data, + }, { + .compatible =3D "rockchip,rk3576-dp", + .data =3D &rk3576_dp_plat_data, }, {} }; --=20 2.43.0