linux-kernel - [PATCH 06/11] arm64: dts: qcom: msm8996: Disable MDSS and Adreno by default

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210228130831.203765-6-konrad.dybcio@somainline.org>
Date:   Sun, 28 Feb 2021 14:08:24 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     phone-devel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...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 06/11] arm64: dts: qcom: msm8996: Disable MDSS and Adreno by default

Disable them by default to allow for booting without a display
and proprietary firmware. Then, enable them on boards that didn't
previously disable them. Hence, this commit brings no functional
difference.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 4 ++++
 arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts | 8 ++++++++
 arch/arm64/boot/dts/qcom/msm8996.dtsi        | 7 ++++++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 7f57cdf9c753..63c7cd0ad2ee 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -200,6 +200,10 @@ &camss {
 	vdda-supply = <&vreg_l2a_1p25>;
 };
 
+&gpu {
+	status = "okay";
+};
+
 &hdmi {
 	status = "okay";
 
diff --git a/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts b/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts
index 4f67aa48633b..c6d7c6250de4 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts
+++ b/arch/arm64/boot/dts/qcom/apq8096-ifc6640.dts
@@ -88,6 +88,14 @@ &blsp2_uart2 {
 	pinctrl-1 = <&blsp2_uart2_2pins_sleep>;
 };
 
+&gpu {
+	status = "okay";
+};
+
+&mdss {
+	status = "okay";
+};
+
 &tlmm {
 	sdc2_pins_default: sdc2-pins-default {
 		clk {
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 5bc9473551ad..e0f042cf8295 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -521,6 +521,8 @@ mdss: mdss@...000 {
 			#size-cells = <1>;
 			ranges;
 
+			status = "disabled";
+
 			mdp: mdp@...000 {
 				compatible = "qcom,mdp5";
 				reg = <0x00901000 0x90000>;
@@ -618,7 +620,8 @@ hdmi_phy: hdmi-phy@...600 {
 					      "ref";
 			};
 		};
-		gpu@...000 {
+
+		gpu: gpu@...000 {
 			compatible = "qcom,adreno-530.2", "qcom,adreno";
 			#stream-id-cells = <16>;
 
@@ -650,6 +653,8 @@ gpu@...000 {
 
 			operating-points-v2 = <&gpu_opp_table>;
 
+			status = "disabled";
+
 			gpu_opp_table: opp-table {
 				compatible  ="operating-points-v2";
 
-- 
2.30.1