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Date: Mon, 16 Sep 2019 16:33:37 +0200 From: Lucas Stach <l.stach@...gutronix.de> To: Guido Günther <agx@...xcpu.org>, Russell King <linux+etnaviv@...linux.org.uk>, Christian Gmeiner <christian.gmeiner@...il.com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>, Abel Vesa <abel.vesa@....com>, Anson Huang <Anson.Huang@....com>, Carlo Caione <ccaione@...libre.com>, Andrey Smirnov <andrew.smirnov@...il.com>, "Angus Ainslie (Purism)" <angus@...ea.ca>, etnaviv@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH v2 1/2] dts: arm64: imx8mq: Enable gpu passive throttling On Mi, 2019-09-11 at 19:40 -0700, Guido Günther wrote: > Temperature and hysteresis were picked after the CPU. > > Signed-off-by: Guido Günther <agx@...xcpu.org> Reviewed-by: Lucas Stach <l.stach@...gutronix.de> > --- > 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 4fdd60f2c51e..5023a0e5068d 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: 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 { > @@ -912,6 +926,7 @@ > <&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>,
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