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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


  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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