Hook up GPU cooling on most qcom arm64 platforms

[PATCH 01/12] arm64: dts: qcom: msm8916: Hook up GPU cooling device

Posted by Konrad Dybcio 1 year, 11 months ago

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@linaro.org>
---
 arch/arm64/boot/dts/qcom/msm8916.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 7f8327b0dbdb..31ceb1df550a 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -1794,6 +1794,8 @@ gpu: gpu@1c00000 {
 			power-domains = <&gcc OXILI_GDSC>;
 			operating-points-v2 = <&gpu_opp_table>;
 			iommus = <&gpu_iommu 1>, <&gpu_iommu 2>;
+			#cooling-cells = <2>;
+
 			status = "disabled";
 
 			gpu_opp_table: opp-table {
@@ -2697,6 +2699,13 @@ gpu-thermal {
 
 			thermal-sensors = <&tsens 2>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
 				gpu_alert0: trip-point0 {
 					temperature = <75000>;

-- 
2.43.0

Re: [PATCH 01/12] arm64: dts: qcom: msm8916: Hook up GPU cooling device

Posted by Dmitry Baryshkov 1 year, 11 months ago

On Tue, 2 Jan 2024 at 15:35, Konrad Dybcio <konrad.dybcio@linaro.org> wrote:
>
> 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@linaro.org>
> ---
>  arch/arm64/boot/dts/qcom/msm8916.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>


-- 
With best wishes
Dmitry