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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 <andy.yan@rock-chips.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20260206010421.443605-5-andyshrk@163.com
master
Andy Yan 2026-02-06 09:04:14 +08:00 committed by Heiko Stuebner
parent 388bb0899b
commit 70ad478043
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/rockchip/dw_dp-rockchip.c
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@ -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,
},
{}
};