Re: [PATCH v5 9/9] arm64: dts: qcom: hamoa: Enable CDSP cooling

Dmitry Baryshkov <[email protected]> Wed, 22 Jul 2026 02:13:11 +0300

Newsgroups	org.kernel.vger.linux-remoteproc,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-hardening,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm
Message-ID	<ymw5womsjuri3okfwmrhlqp42kgio6t7btikarfiolm74fkmjc@brekx7lckr5v>

On Tue, Jul 21, 2026 at 11:59:06AM +0530, Gaurav Kohli wrote:
> From: Dipa Ramesh Mantre <[email protected]>
> 
> Unlike the CPU, the CDSP does not throttle its speed automatically
> when it reaches high temperatures in hamoa.
> 
> Set up CDSP cooling for both instances by throttling the cdsp, when
> it reaches 95Â°C.
> 
> Add polling-delay-passive so the governor periodically evaluates
> the zone during passive cooling and steps up cooling levels when
> temperature stabilizes below the next trip.
> 
> Signed-off-by: Dipa Ramesh Mantre <[email protected]>
> ---
>  arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 32 +++++++++++++++
>  arch/arm64/boot/dts/qcom/hamoa.dtsi        | 63 ++++++++++++++++++++++++++++++
>  2 files changed, 95 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <[email protected]>


-- 
With best wishes
Dmitry