linux-kernel - [PATCH 12/12] arm64: dts: qcom: sdm630: Hook up GPU cooling device

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Date: Tue, 02 Jan 2024 14:34:16 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 12/12] arm64: dts: qcom: sdm630: Hook up GPU cooling device

In order to allow for throttling the GPU, hook up the cooling device
to the respective thermal zones.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sdm630.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index 775700f78e0f..fc06665861e2 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -13,6 +13,7 @@
 #include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
 #include <dt-bindings/soc/qcom,apr.h>
 
 / {
@@ -1120,6 +1121,7 @@ adreno_gpu: gpu@...0000 {
 			interconnect-names = "gfx-mem";
 
 			operating-points-v2 = <&gpu_sdm630_opp_table>;
+			#cooling-cells = <2>;
 
 			status = "disabled";
 
@@ -2580,6 +2582,13 @@ gpu-thermal {
 
 			thermal-sensors = <&tsens 8>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_alert0>;
+					cooling-device = <&adreno_gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
 				gpu_alert0: trip-point0 {
 					temperature = <90000>;

-- 
2.43.0