dts: arm64: imx8mq: Enable gpu passive throttling
diff mbox series

Message ID cf1b114bcc6ef26e032c352b8c885aaf5f3594d0.1568254197.git.agx@sigxcpu.org
State New
Headers show
Series
  • dts: arm64: imx8mq: Enable gpu passive throttling
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Commit Message

Guido Günther Sept. 12, 2019, 2:14 a.m. UTC
Temperature and hysteresis were picked after the CPU.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
---
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Comments

Guido Günther Sept. 12, 2019, 2:42 a.m. UTC | #1
Hi,
On Wed, Sep 11, 2019 at 07:14:25PM -0700, Guido Günther wrote:
> Temperature and hysteresis were picked after the CPU.

I pulled that one from the wrong branch so please disregard. I've
sent out a v2.
Cheers,
 -- Guido

> 
> Signed-off-by: Guido Günther <agx@sigxcpu.org>
> ---
>  arch/arm64/boot/dts/freescale/imx8mq.dtsi | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index 564045927485..fda636085bb3 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -235,12 +235,26 @@
>  			thermal-sensors = <&tmu 1>;
>  
>  			trips {
> +				gpu-alert {
> +					temperature = <80000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
>  				gpu-crit {
>  					temperature = <90000>;
>  					hysteresis = <2000>;
>  					type = "critical";
>  				};
>  			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&gpu_alert>;
> +					cooling-device =
> +						<&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
>  		};
>  
>  		vpu-thermal {
> @@ -1006,6 +1020,7 @@
>  			         <&clk IMX8MQ_CLK_GPU_AXI>,
>  			         <&clk IMX8MQ_CLK_GPU_AHB>;
>  			clock-names = "core", "shader", "bus", "reg";
> +			#cooling-cells = <2>;
>  			assigned-clocks = <&clk IMX8MQ_CLK_GPU_CORE_SRC>,
>  			                  <&clk IMX8MQ_CLK_GPU_SHADER_SRC>,
>  			                  <&clk IMX8MQ_CLK_GPU_AXI>,
> -- 
> 2.23.0.rc1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 564045927485..fda636085bb3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -235,12 +235,26 @@ 
 			thermal-sensors = <&tmu 1>;
 
 			trips {
+				gpu-alert {
+					temperature = <80000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
 				gpu-crit {
 					temperature = <90000>;
 					hysteresis = <2000>;
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu_alert>;
+					cooling-device =
+						<&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		vpu-thermal {
@@ -1006,6 +1020,7 @@ 
 			         <&clk IMX8MQ_CLK_GPU_AXI>,
 			         <&clk IMX8MQ_CLK_GPU_AHB>;
 			clock-names = "core", "shader", "bus", "reg";
+			#cooling-cells = <2>;
 			assigned-clocks = <&clk IMX8MQ_CLK_GPU_CORE_SRC>,
 			                  <&clk IMX8MQ_CLK_GPU_SHADER_SRC>,
 			                  <&clk IMX8MQ_CLK_GPU_AXI>,