From: Andy Yan Date: Fri, 6 Feb 2026 01:04:14 +0000 (+0800) Subject: drm/rockchip: dw_dp: Add DisplayPort support for rk3576 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=70ad4780431e3936e9cb0cf13e286d304b418f94;p=thirdparty%2Fkernel%2Flinux.git drm/rockchip: dw_dp: Add DisplayPort support for rk3576 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 Signed-off-by: Heiko Stuebner Link: https://patch.msgid.link/20260206010421.443605-5-andyshrk@163.com --- diff --git a/drivers/gpu/drm/rockchip/dw_dp-rockchip.c b/drivers/gpu/drm/rockchip/dw_dp-rockchip.c index 89d614d535964..dac3d202971ed 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, }, {} };