From: Gaurav Kohli <[email protected]> Unlike the CPU, the GPU does not throttle its speed automatically when it reaches high temperatures.
Set up GPU cooling by throttling the GPU speed when reaching 105°C. Signed-off-by: Gaurav Kohli <[email protected]> Signed-off-by: Akhil P Oommen <[email protected]> Reviewed-by: Konrad Dybcio <[email protected]> --- arch/arm64/boot/dts/qcom/lemans.dtsi | 55 ++++++++++++++++++++++++++++++++---- 1 file changed, 49 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi index 883f9e0ab45c98b9e128f3fa141d625431d89831..14d9f31e7086dd337c658cdb3989a4fd1c83092b 100644 --- a/arch/arm64/boot/dts/qcom/lemans.dtsi +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi @@ -21,6 +21,7 @@ #include <dt-bindings/power/qcom-rpmpd.h> #include <dt-bindings/soc/qcom,gpr.h> #include <dt-bindings/soc/qcom,rpmh-rsc.h> +#include <dt-bindings/thermal/thermal.h> / { interrupt-parent = <&intc>; @@ -7514,8 +7515,15 @@ gpuss-0-thermal { thermal-sensors = <&tsens0 5>; + cooling-maps { + map0 { + trip = <&gpuss0_alert0>; + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + trips { - trip-point0 { + gpuss0_alert0: trip-point0 { temperature = <105000>; hysteresis = <5000>; type = "passive"; @@ -7534,8 +7542,15 @@ gpuss-1-thermal { thermal-sensors = <&tsens0 6>; + cooling-maps { + map0 { + trip = <&gpuss1_alert0>; + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + trips { - trip-point0 { + gpuss1_alert0: trip-point0 { temperature = <105000>; hysteresis = <5000>; type = "passive"; @@ -7554,8 +7569,15 @@ gpuss-2-thermal { thermal-sensors = <&tsens0 7>; + cooling-maps { + map0 { + trip = <&gpuss2_alert0>; + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + trips { - trip-point0 { + gpuss2_alert0: trip-point0 { temperature = <105000>; hysteresis = <5000>; type = "passive"; @@ -7744,8 +7766,15 @@ gpuss-3-thermal { thermal-sensors = <&tsens1 5>; + cooling-maps { + map0 { + trip = <&gpuss3_alert0>; + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + trips { - trip-point0 { + gpuss3_alert0: trip-point0 { temperature = <105000>; hysteresis = <5000>; type = "passive"; @@ -7764,8 +7793,15 @@ gpuss-4-thermal { thermal-sensors = <&tsens1 6>; + cooling-maps { + map0 { + trip = <&gpuss4_alert0>; + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + trips { - trip-point0 { + gpuss4_alert0: trip-point0 { temperature = <105000>; hysteresis = <5000>; type = "passive"; @@ -7784,8 +7820,15 @@ gpuss-5-thermal { thermal-sensors = <&tsens1 7>; + cooling-maps { + map0 { + trip = <&gpuss5_alert0>; + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + trips { - trip-point0 { + gpuss5_alert0: trip-point0 { temperature = <105000>; hysteresis = <5000>; type = "passive"; -- 2.51.0
