diff mbox series

[04/12] arm64: dts: qcom: sdm845: Hook up GPU cooling device

Message ID 20240102-topic-gpu_cooling-v1-4-fda30c57e353@linaro.org
State Accepted
Commit 08b1b831e1a91793a20a41e090f969f41195a03d
Headers show
Series Hook up GPU cooling on most qcom arm64 platforms | expand

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.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

Comments

Dmitry Baryshkov Jan. 3, 2024, 1:05 a.m. UTC | #1 
On Tue, 2 Jan 2024 at 15:36, 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/sdm845.dtsi | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)

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

Patch

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index c2244824355a..1c2d01f0cf07 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -4760,6 +4760,7 @@  gpu: gpu@5000000 {
 			operating-points-v2 = <&gpu_opp_table>;
 
 			qcom,gmu = <&gmu>;
+			#cooling-cells = <2>;
 
 			interconnects = <&mem_noc MASTER_GFX3D 0 &mem_noc SLAVE_EBI1 0>;
 			interconnect-names = "gfx-mem";
@@ -5602,8 +5603,15 @@  gpu-top-thermal {
 
 			thermal-sensors = <&tsens0 11>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_top_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
-				gpu1_alert0: trip-point0 {
+				gpu_top_alert0: trip-point0 {
 					temperature = <90000>;
 					hysteresis = <2000>;
 					type = "hot";
@@ -5617,8 +5625,15 @@  gpu-bottom-thermal {
 
 			thermal-sensors = <&tsens0 12>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_bottom_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
-				gpu2_alert0: trip-point0 {
+				gpu_bottom_alert0: trip-point0 {
 					temperature = <90000>;
 					hysteresis = <2000>;
 					type = "hot";