From nobody Mon Feb 9 19:26:01 2026 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.5]) (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 DF24D1925BC; Fri, 9 Jan 2026 08:01:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767945721; cv=none; b=JdRgtyP65kZfpp3VCIqzdjAuHnuwbgA9n7ycmVjOi2w1fPENDhxNLxRaEOKn7O7mVk7DssG8CquKk7y0fkIfzkz+Y26OifO3jhOLEFU7r6YropI4dyQBYZokAEudxU9nBs0+kYDvUgi/QzFGkWpK+EqzkTeiWQEuhYhg5HrwVxU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767945721; c=relaxed/simple; bh=t7MowRTDsJYnHGpD+CE2iGQoU4ZJGJVQOeU93QVRiYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dPVsFOgT5sNhI9WXpJ93xAudqnEOTkTL6NwtyQX26z5MhubRjI9queZX9oOThLSuuwd/1wLm6h0gQu17b/ZdJdJVhAb/op+CKiTsl9CVWcTlCZtrGCVoKF+r69geBZx1jbONLgcQmpqFsnUIrw+kCOcDTx5Z6sALmOENM4wSDA4= 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=RD0Kf+7W; arc=none smtp.client-ip=117.135.210.5 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="RD0Kf+7W" 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=Qz CE2MSivZxOJ1rbSr2C3xjv/6IK0O9prRxNJhHmRcM=; b=RD0Kf+7WQaUfpGstxZ ffVReowiCMj0D1M6Ee0m6Rx1TYC+cTJAvU4NUe67+/qnfLBpiWGk3e/OjFapVuc3 kuR1+Z3lBZt+RoBphTIk2n5vSvXgAi+oGCTmPxcDOVRba68ZXQAn0B0rNd0PKP0k w8ErSOEOcTbOF3pN5qRlpcpbM= Received: from ProDesk-480.. (unknown []) by gzga-smtp-mtada-g1-0 (Coremail) with SMTP id _____wDnzlW4tWBpx1iBFA--.64397S6; Fri, 09 Jan 2026 16:01:05 +0800 (CST) From: Andy Yan To: heiko@sntech.de, dmitry.baryshkov@oss.qualcomm.com Cc: krzk+dt@kernel.org, conor+dt@kernel.org, cristian.ciocaltea@collabora.com, Laurent.pinchart@ideasonboard.com, mripard@kernel.org, hjc@rock-chips.com, robh@kernel.org, sebastian.reichel@collabora.com, 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 4/5] drm/rockchip: dw_dp: Add DisplayPort support for rk3576 Date: Fri, 9 Jan 2026 16:00:47 +0800 Message-ID: <20260109080054.228671-5-andyshrk@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260109080054.228671-1-andyshrk@163.com> References: <20260109080054.228671-1-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: _____wDnzlW4tWBpx1iBFA--.64397S6 X-Coremail-Antispam: 1Uf129KBjvdXoWrKrWxGw1UAFy5Kr48trWDurg_yoWkWwbEk3 W8Xr1DWw4rGr9IvwnrAF4fCayIy3W29F1kG3W0q3WqyF97Xr18XFZ5Jr1jqan8AF17AF97 W3WFqr1jkFn3JjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUn0D73UUUUU== X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/xtbCxgEQbmlgtcGcoAAA34 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 --- 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