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(unknown []) by gzsmtp2 (Coremail) with SMTP id PSgvCgD3_+0XPoVpQ5VfQQ--.20291S6; Fri, 06 Feb 2026 09:04:33 +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 v3 4/5] drm/rockchip: dw_dp: Add DisplayPort support for rk3576 Date: Fri, 6 Feb 2026 09:04:14 +0800 Message-ID: <20260206010421.443605-5-andyshrk@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260206010421.443605-1-andyshrk@163.com> References: <20260206010421.443605-1-andyshrk@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: PSgvCgD3_+0XPoVpQ5VfQQ--.20291S6 X-Coremail-Antispam: 1Uf129KBjvJXoW7Aw48Jr4rAr43uw1fCr45Wrg_yoW8JFW3pa nrGryjqrWkWr4Yva4qyFWxuFsIk3ZrZay7Kr4UG343tws3KryfWryagw1UGr92q3W7ZF1a krsrW34UJa1a9rDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jSoGQUUUUU= X-Originating-IP: [58.22.7.114] X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/xtbC7QJTsWmFPiJt0AAA3A X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260205_170532_725029_A2FADCC5 X-CRM114-Status: UNSURE ( 9.43 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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/rockchip/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_data = { .pixel_mode = DW_DP_MP_QUAD_PIXEL, }; +static const struct dw_dp_plat_data rk3576_dp_plat_data = { + .max_link_rate = 810000, + .pixel_mode = DW_DP_MP_DUAL_PIXEL, +}; + static const struct of_device_id dw_dp_of_match[] = { { .compatible = "rockchip,rk3588-dp", .data = &rk3588_dp_plat_data, + }, { + .compatible = "rockchip,rk3576-dp", + .data = &rk3576_dp_plat_data, }, {} }; -- 2.43.0