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Message-Id: <20250822-topic-x1e80100-4lanes-v2-16-4b21372b1901@linaro.org>
Date: Fri, 22 Aug 2025 11:39:28 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v2 16/16] arm64: dts: qcom: x1-asus-zenbook-a14: Set up
4-lane DP
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@...aro.org>
---
arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
index 16d045cf64c08c02c420787e000f4f45cfc2c6ff..14045f91393fa91b2e78802dfc53bcbe2c7d514c 100644
--- a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
@@ -985,7 +985,7 @@ &mdss_dp0 {
};
&mdss_dp0_out {
- data-lanes = <0 1>;
+ data-lanes = <0 1 2 3>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
@@ -994,7 +994,7 @@ &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
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