[10/12] arm64: dts: qcom: sm8450: Hook up GPU cooling device

Message ID 20240102-topic-gpu_cooling-v1-10-fda30c57e353@linaro.org
State New
Headers
Series Hook up GPU cooling on most qcom arm64 platforms |

Commit Message

Konrad Dybcio Jan. 2, 2024, 1:34 p.m. UTC
  In order to allow for throttling the GPU, hook up the cooling device
to the respective thermal zones. Also, update the trip point label
to be more telling, while at it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)
  

Comments

Dmitry Baryshkov Jan. 3, 2024, 1:07 a.m. UTC | #1
On Tue, 2 Jan 2024 at 15:37, 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. Also, update the trip point label
> to be more telling, while at it.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8450.dtsi | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)

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

Patch

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 01e4dfc4babd..8f5a093c8828 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -2038,6 +2038,7 @@  gpu: gpu@3d00000 {
 			operating-points-v2 = <&gpu_opp_table>;
 
 			qcom,gmu = <&gmu>;
+			#cooling-cells = <2>;
 
 			status = "disabled";
 
@@ -4890,6 +4891,13 @@  gpu-top-thermal {
 			polling-delay = <0>;
 			thermal-sensors = <&tsens0 14>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_top_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
 				thermal-engine-config {
 					temperature = <125000>;
@@ -4909,7 +4917,7 @@  reset-mon-cfg {
 					type = "passive";
 				};
 
-				gpu0_tj_cfg: tj-cfg {
+				gpu_top_alert0: trip-point0 {
 					temperature = <95000>;
 					hysteresis = <5000>;
 					type = "passive";
@@ -4922,6 +4930,13 @@  gpu-bottom-thermal {
 			polling-delay = <0>;
 			thermal-sensors = <&tsens0 15>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_bottom_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
 				thermal-engine-config {
 					temperature = <125000>;
@@ -4941,7 +4956,7 @@  reset-mon-cfg {
 					type = "passive";
 				};
 
-				gpu1_tj_cfg: tj-cfg {
+				gpu_bottom_alert0: trip-point0 {
 					temperature = <95000>;
 					hysteresis = <5000>;
 					type = "passive";