From: Shawn Guo <shawnguo2@yeah.net>
To: "Martin Kepplinger-Novaković" <martink@posteo.de>
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mp: Enable gpu passive throttling
Date: Wed, 11 Jun 2025 17:16:25 +0800 [thread overview]
Message-ID: <aElJaVxqUUNi1rfC@dragon> (raw)
In-Reply-To: <20250508101802.489712-1-martink@posteo.de>
On Thu, May 08, 2025 at 10:18:02AM +0000, Martin Kepplinger-Novaković wrote:
> Hook up the gpu as a passive cooling device to the thermal zones' alert
> trip point just like the cpu.
>
> The gpu here consists of 3D GPU, 2D GPU and NPU.
>
> One way to test would be to set one "alert" trip point low enough
> and watch the cooling device state increase:
>
> echo 10000 > /sys/class/thermal/thermal_zone0/trip_point_0_temp
> watch cat /sys/class/thermal/cooling_device*/cur_state
>
> And of course set the trip point back to its original value and watch
> the cooling device states jump to 0 again.
>
> Signed-off-by: Martin Kepplinger-Novaković <martink@posteo.de>
Applied, thanks!
prev parent reply other threads:[~2025-06-11 14:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-08 10:18 [PATCH] arm64: dts: imx8mp: Enable gpu passive throttling Martin Kepplinger-Novaković
2025-05-27 6:04 ` Martin Kepplinger-Novakovic
2025-06-11 9:16 ` Shawn Guo [this message]
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