From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>
Subject: [PATCH v2 1/2] dts: arm64: imx8mq: Enable gpu passive throttling
Date: Wed, 11 Sep 2019 19:40:35 -0700
Message-ID: <0ab2ee7de9c2e24f6de860ffcbcdfc25b72c2c61.1568255903.git.agx@sigxcpu.org>
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To: "To : Lucas Stach" <l.stach@pengutronix.de>, Russell King <linux+etnaviv@armlinux.org.uk>, Christian Gmeiner <christian.gmeiner@gmail.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, 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>, Abel Vesa <abel.vesa@nxp.com>, Anson Huang <Anson.Huang@nxp.com>, Carlo Caione <ccaione@baylibre.com>, =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>, Andrey Smirnov <andrew.smirnov@gmail.com>, "Angus Ainslie (Purism)" <angus@akkea.ca>, etnaviv@lists.freedesktop.org, dri-devel@
List-Id: devicetree@vger.kernel.org

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 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>,
-- 
2.23.0.rc1