linux-kernel - Re: [PATCH] arm64: dts: qcom: qcs6490-rb3gen2: Adjust tsens thermal zone configuration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <46cc0587-8eb6-4638-ad04-c05dcd56718c@oss.qualcomm.com>
Date: Tue, 16 Dec 2025 13:01:01 +0530
From: Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Gaurav Kohli <gaurav.kohli@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qcs6490-rb3gen2: Adjust tsens thermal
 zone configuration

Hi Dmitry,


On 12/16/2025 1:21 AM, Dmitry Baryshkov wrote:
> On Mon, Dec 15, 2025 at 04:29:34PM +0530, Manaf Meethalavalappu Pallikunhi wrote:
>> The QCS6490 rb3gen2 board uses the same Qualcomm QCM6490 platform
> Is there a difference between QCS6490 and QCM6490 or between QC[SM]6490
> and SC7280?
Difference is only for qcs6490-rb3gen2 (IOT ).
>
>> but has a different thermal junction temperature specification
>> due to package-level differences.
>>
>> Update passive/hot trip thresholds to 105°C and critical trip
>> thresholds to 115°C for various subsystem TSENS sensors.
>>
>> Disable CPU cooling maps for CPU TSENS since CPU thermal mitigation
>> is handled automatically in hardware on this board.
> Is it a peculiarity of the RB3 Gen2 or is it that Chrome devices didn't
> do it? What about QCM6490 IDP or FairPhone FP5?

Chrome devices do not perform automatic thermal mitigation, whereas all 
other boards handle it automatically. I will push another patch to 
disable cpu mitigation for all other boards other than chrome.

Thanks,

Manaf

>
>> Signed-off-by: Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@....qualcomm.com>
>> ---
>>   arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 334 +++++++++++++++++++
>>   1 file changed, 334 insertions(+)
>>