* [PATCH] dts: arm64: imx8mq: Enable gpu passive throttling
@ 2019-09-12 2:14 Guido Günther
2019-09-12 2:42 ` Guido Günther
0 siblings, 1 reply; 2+ messages in thread
From: Guido Günther @ 2019-09-12 2:14 UTC (permalink / raw)
To: Rob Herring, Mark Rutland, Shawn Guo, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
Lucas Stach, Abel Vesa, Guido Günther, Anson Huang,
Carlo Caione, Angus Ainslie (Purism),
Andrey Smirnov, devicetree, linux-arm-kernel, linux-kernel
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(+)
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] dts: arm64: imx8mq: Enable gpu passive throttling
2019-09-12 2:14 [PATCH] dts: arm64: imx8mq: Enable gpu passive throttling Guido Günther
@ 2019-09-12 2:42 ` Guido Günther
0 siblings, 0 replies; 2+ messages in thread
From: Guido Günther @ 2019-09-12 2:42 UTC (permalink / raw)
To: Rob Herring, Mark Rutland, Shawn Guo, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
Lucas Stach, Abel Vesa, Anson Huang, Carlo Caione,
Angus Ainslie (Purism),
Andrey Smirnov, devicetree, linux-arm-kernel, linux-kernel
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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