From: "Martin Kepplinger-Novaković" <martink@posteo.de>
To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com
Cc: devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
"Martin Kepplinger-Novaković" <martink@posteo.de>
Subject: [PATCH v2 2/2] arm64: dts: imx8mp: add cpuidle cooling device to the alert trip point
Date: Mon, 13 Oct 2025 06:59:20 +0000 [thread overview]
Message-ID: <20251013065903.35216-2-martink@posteo.de> (raw)
In-Reply-To: <20251013065903.35216-1-martink@posteo.de>
Idle-inject up to 50% of all cpu's time in order to help cpufreq
to keep the temperature below the trip points.
Signed-off-by: Martin Kepplinger-Novaković <martink@posteo.de>
---
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 9b59f53952d5..7ab321af9e15 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -347,7 +347,11 @@ map0 {
<&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&gpu3d THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&gpu2d THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&npu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ <&npu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu0_therm 0 50>,
+ <&cpu1_therm 0 50>,
+ <&cpu2_therm 0 50>,
+ <&cpu3_therm 0 50>;
};
};
};
@@ -380,7 +384,11 @@ map0 {
<&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&gpu3d THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&gpu2d THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&npu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ <&npu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu0_therm 0 50>,
+ <&cpu1_therm 0 50>,
+ <&cpu2_therm 0 50>,
+ <&cpu3_therm 0 50>;
};
};
};
--
2.47.3
next prev parent reply other threads:[~2025-10-13 6:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-13 6:59 [PATCH v2 1/2] arm64: dts: imx8mp: add idle cooling devices to cpu core Martin Kepplinger-Novaković
2025-10-13 6:59 ` Martin Kepplinger-Novaković [this message]
2025-10-27 5:55 ` Shawn Guo
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