arm64: dts: qcom: sm8650: Set up 4-lane DP

Allow up to 4 lanes for the DisplayPort link from the PHY to the
controller now the mode-switch events can reach the QMP Combo PHY.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250822-topic-x1e80100-4lanes-v3-8-5363acad9e32@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index 994fd241948ded4f76bac74ab790f6203eaa1074..367f448a743a306993b40f6c6b8a23a816744afb 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -5723,7 +5723,7 @@
                                                reg = <1>;
 
                                                mdss_dp0_out: endpoint {
-                                                       data-lanes = <0 1>;
+                                                       data-lanes = <0 1 2 3>;
                                                        remote-endpoint = <&usb_dp_qmpphy_dp_in>;
                                                };
                                        };