From: Dipa Ramesh Mantre <dipa.mantre@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
gaurav.kohli@oss.qualcomm.com
Subject: Re: [PATCH 2/2] arm64: dts: qcom: shikra: Enable CDSP & Modem cooling
Date: Tue, 3 Nov 2026 15:15:35 +0530 [thread overview]
Message-ID: <20e8628b-4664-4b61-bf4c-bd25d7cd6775@oss.qualcomm.com> (raw)
In-Reply-To: <372be891-fa8b-4d17-a9d4-2d7becf1ad8f@oss.qualcomm.com>
On 10/20/2026 5:29 PM, Konrad Dybcio wrote:
> On 9/11/26 7:03 AM, Dipa Ramesh Mantre wrote:
>> Unlike the CPU, the CDSP/Modem does not throttle its speed automatically
>> when it reaches high temperatures in shikra.
>>
>> Set up CDSP/Modem cooling by throttling the CDSP and modem when they
>> reach 115°C using the QMI TMD cooling device framework.
>>
>> Signed-off-by: Dipa Ramesh Mantre <dipa.mantre@oss.qualcomm.com>
>> ---
>
> [...]
>
>> - nsp-critical {
>> + nsp_alert1: nsp-alert1 {
>> temperature = <115000>;
>> + hysteresis = <5000>;
>> + type = "passive";
>> + };
>
> No "hot" points? And no throttling at all until 115?
For this target, no throttling is required until 115.
>
>> +
>> + nsp-critical {
>> + temperature = <118000>;
>> hysteresis = <0>;
>> type = "critical";
>> };
>> };
>> +
>> + cooling-maps {
>> + map0 {
>> + trip = <&nsp_alert1>;
>> + cooling-device = <&remoteproc_cdsp QCOM_TMD_CDSP_SW
>> + THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
>
> Please align the arguments so that we have:
>
> <&foo bar
> FOO BAR>
>
> instead of
>
> <&foo bar
> FOO BAR>
Sure, I'll update the alignment as suggested in the next revision.
>
>
> Konrad
Thanks & Regards
Dipa Mantre
next prev parent reply other threads:[~2026-11-03 9:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-11 5:03 [PATCH 0/2] Add QMI TMD based cooling support for the Shikra CDSP and Modem Dipa Ramesh Mantre
2026-09-11 5:03 ` [PATCH 1/2] remoteproc: qcom_q6v5_pas: Add QMI TMD cooling support for Shikra Dipa Ramesh Mantre
2026-10-01 4:30 ` Gaurav Kohli
2026-09-11 5:03 ` [PATCH 2/2] arm64: dts: qcom: shikra: Enable CDSP & Modem cooling Dipa Ramesh Mantre
2026-10-20 11:59 ` Konrad Dybcio
2026-11-03 9:45 ` Dipa Ramesh Mantre [this message]
2026-10-20 12:52 ` Abel Vesa
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