BACKPORT: arm64: dts: qcom: sc8280xp-lenovo-thinkpad-x13: Set up 4-lane DP

Allow up to 4 lanes for the DisplayPort link from the PHYs to the
controllers and allow mode-switch events to reach the QMP Combo PHYs.

Signed-off-by: Neil Armstrong <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
[konrad: reword]
Signed-off-by: Konrad Dybcio <[email protected]>
Tested-by: Neil Armstrong <[email protected]> # on Lenovo Thinkpad T14S
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>
Signed-off-by: Yijie Yang <[email protected]>

Author: superna9999

arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts

@@ -726,7 +726,7 @@
 };
 
 &mdss0_dp0_out {
-	data-lanes = <0 1>;
+	data-lanes = <0 1 2 3>;
 	remote-endpoint = <&usb_0_qmpphy_dp_in>;
 };
 
@@ -735,7 +735,7 @@
 };
 
 &mdss0_dp1_out {
-	data-lanes = <0 1>;
+	data-lanes = <0 1 2 3>;
 	remote-endpoint = <&usb_1_qmpphy_dp_in>;
 };
 
@@ -1366,6 +1366,7 @@
 	vdda-phy-supply = <&vreg_l9d>;
 	vdda-pll-supply = <&vreg_l4d>;
 
+	mode-switch;
 	orientation-switch;
 
 	status = "okay";
@@ -1403,6 +1404,7 @@
 	vdda-phy-supply = <&vreg_l4b>;
 	vdda-pll-supply = <&vreg_l3b>;
 
+	mode-switch;
 	orientation-switch;
 
 	status = "okay";