From: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
To: Bjorn Andersson <andersson@kernel.org>,
Johan Hovold <johan+linaro@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Subject: [PATCH v1 1/2] arm64: dts: qcom: x1-crd: Enable HBR3 on external DPs
Date: Mon, 30 Jun 2025 22:54:10 +0200 [thread overview]
Message-ID: <20250630205514.14022-2-alex.vinarskis@gmail.com> (raw)
In-Reply-To: <20250630205514.14022-1-alex.vinarskis@gmail.com>
When no link frequencies are set, msm/dp driver defaults to HBR2 speed.
Explicitly list supported frequencies including HBR3/8.1Gbps for all
external DisplayPort(s).
Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
---
arch/arm64/boot/dts/qcom/x1-crd.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
index c9f0d5052670..bbaa1f34b804 100644
--- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
@@ -1129,6 +1129,7 @@ &mdss_dp0 {
&mdss_dp0_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
&mdss_dp1 {
@@ -1137,6 +1138,7 @@ &mdss_dp1 {
&mdss_dp1_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
&mdss_dp2 {
@@ -1145,6 +1147,7 @@ &mdss_dp2 {
&mdss_dp2_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
&mdss_dp3 {
--
2.48.1
next prev parent reply other threads:[~2025-06-30 20:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-30 20:54 [PATCH v1 0/2] X1E HBR3 fixes Aleksandrs Vinarskis
2025-06-30 20:54 ` Aleksandrs Vinarskis [this message]
2025-06-30 20:54 ` [PATCH v1 2/2] arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: Enable HBR3 on external DPs Aleksandrs Vinarskis
2025-07-01 10:56 ` [PATCH v1 0/2] X1E HBR3 fixes Konrad Dybcio
2025-07-17 10:21 ` Aleksandrs Vinarskis
2025-08-12 3:04 ` Bjorn Andersson
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