linux-kernel - [PATCH 3/3] arm64: dts: qcom: qcs6490-rubikpi3: Use DSI port B

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Message-Id: <20260127-rubikpi-next-20260116-v1-3-0286c75150c5@thundersoft.com>
Date: Tue, 27 Jan 2026 14:58:13 +0800
From: Hongyang Zhao <hongyang.zhao@...ndersoft.com>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 Hongyang Zhao <hongyang.zhao@...ndersoft.com>, 
 Roger Shimizu <rosh@...ian.org>
Subject: [PATCH 3/3] arm64: dts: qcom: qcs6490-rubikpi3: Use DSI port B

The LT9611 HDMI bridge on RubikPi3 is connected to DSI port B. Add
lontium,dsi-port-b property to configure the correct input port.

Signed-off-by: Hongyang Zhao <hongyang.zhao@...ndersoft.com>
Reviewed-by: Roger Shimizu <rosh@...ian.org>
---
 arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
index 0b64a0b91202..0b27c5343271 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
@@ -751,6 +751,8 @@ lt9611_codec: hdmi-bridge@39 {
 			    <&lt9611_rst_pin>;
 		pinctrl-names = "default";
 
+		lontium,dsi-port-b;
+
 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;

-- 
2.43.0