[PATCH 10/14] arm64: dts: qcom: x1e80100-dell-xps13-9345: Set up 4-lane DP

From: Neil Armstrong
Date: Thu Aug 21 2025 - 09:52:47 EST


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

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
index 6b27067f0be66b5c41fa681ff3b4f535100bdf59..293e557ee07e0e622984d6f869a5f79a5766ed18 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
@@ -884,7 +884,7 @@ &mdss_dp0 {
};

&mdss_dp0_out {
- data-lanes = <0 1>;
+ data-lanes = <0 1 2 3>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};

@@ -893,7 +893,7 @@ &mdss_dp1 {
};

&mdss_dp1_out {
- data-lanes = <0 1>;
+ data-lanes = <0 1 2 3>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};


--
2.34.1