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From: "Guido Günther" <agx@sigxcpu.org>
To: "Rob Herring" <robh+dt@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"NXP Linux Team" <linux-imx@nxp.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Abel Vesa" <abel.vesa@nxp.com>,
	"Guido Günther" <agx@sigxcpu.org>,
	"Anson Huang" <Anson.Huang@nxp.com>,
	"Carlo Caione" <ccaione@baylibre.com>,
	"Angus Ainslie (Purism)" <angus@akkea.ca>,
	"Andrey Smirnov" <andrew.smirnov@gmail.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] dts: arm64: imx8mq: Enable gpu passive throttling
Date: Wed, 11 Sep 2019 19:14:25 -0700	[thread overview]
Message-ID: <cf1b114bcc6ef26e032c352b8c885aaf5f3594d0.1568254197.git.agx@sigxcpu.org> (raw)

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


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             reply	other threads:[~2019-09-12  2:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-12  2:14 Guido Günther [this message]
2019-09-12  2:42 ` [PATCH] dts: arm64: imx8mq: Enable gpu passive throttling Guido Günther

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