linux-kernel - [PATCH v4 3/4] arm64: dts: qcom: msm8996-*: Disable HDMI by default

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Date:   Tue,  8 Jun 2021 22:21:41 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 3/4] arm64: dts: qcom: msm8996-*: Disable HDMI by default

Most phones ship without HDMI and leaving it enabled wrecks
havoc. Disable it in msm8996.dtsi and re-enable it on the boards
that did not disable it previously.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
Changes since v3:
- Add this patch

 arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts | 8 ++++++++
 arch/arm64/boot/dts/qcom/msm8996-mtp.dtsi    | 8 ++++++++
 arch/arm64/boot/dts/qcom/msm8996.dtsi        | 4 ++++
 3 files changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts b/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts
index 8c7a27e972b7..a57c60070cdc 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts
+++ b/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts
@@ -92,6 +92,14 @@ &gpu {
 	status = "okay";
 };
 
+&hdmi {
+	status = "okay";
+};
+
+&hdmi_phy {
+	status = "okay";
+};
+
 &mdss {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/msm8996-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8996-mtp.dtsi
index 1e1514e9158c..ac43a91f1104 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996-mtp.dtsi
@@ -20,3 +20,11 @@ serial@...0000 {
 		};
 	};
 };
+
+&hdmi {
+	status = "okay";
+};
+
+&hdmi_phy {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 859fe18aa8c7..b5ec2a756561 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -664,6 +664,8 @@ hdmi: hdmi-tx@...000 {
 				phy-names = "hdmi_phy";
 				#sound-dai-cells = <1>;
 
+				status = "disabled";
+
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
@@ -697,6 +699,8 @@ hdmi_phy: hdmi-phy@...600 {
 					 <&gcc GCC_HDMI_CLKREF_CLK>;
 				clock-names = "iface",
 					      "ref";
+
+				status = "disabled";
 			};
 		};
 
-- 
2.31.1