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From: "Guilherme G. Piccoli" <gpiccoli@igalia.com>
To: y.oudjana@protonmail.com
Cc: agross@kernel.org, bjorn.andersson@linaro.org,
	devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, robh+dt@kernel.org,
	kernel@gpiccoli.net, loic.poulain@linaro.org,
	konrad.dybcio@somainline.org
Subject: Re: [PATCH] arm64: dts: qcom: msm8996: Add CPU cooling suppor,t
Date: Mon, 27 Sep 2021 18:52:35 -0300	[thread overview]
Message-ID: <233effdb-5604-2405-fdaa-ebd35b0c0126@igalia.com> (raw)
In-Reply-To: <5ccc4ea8-e000-b6b9-0781-dcde814eda96@igalia.com>

On 27/09/2021 18:45, Guilherme G. Piccoli wrote:
> Hi Yassine, thanks for the patch! I was doing some experiments with a
> dragonboard 820-based board, and without your patch, a CPU benchmark can
> quickly cause overheating - throttling mechanism doesn't start and we
> get a FW reset to a bad state (likely a HW protection mechanism).
> 
> I noticed that a similar patch including cooling maps is present in
> Linaro's qcom tree [0], and it was submitted upstream [1], but there was
> a re-submission [2] by Konrad that was merged and dropped the thermals
> part. Based on some threads I read, it seems a FW lockup was detected
> with the complete patch?
> 
> I'm not sure, so I'm looping Konrad / Loic / Bjorn here, to understand
> better what made this portion of the patch to be dropped.
> Anyway, I think worth to mention this in your commit message Yassine,
> including perhaps a fixes tag like:
> 
> Fixes: 90173a954a22 ("arm64: dts: qcom: msm8996: Add CPU opps").
> 
> Also, I'm not sure why there was no response here or why it wasn't
> merged, but if it helps, please have my:
> 
> Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
> 
> Thanks,
> 
> 
> Guilherme
> 
> 
> [0]
> https://git.linaro.org/landing-teams/working/qualcomm/kernel.git/commit/?h=release/qcomlt-4.14&id=2274c48c671
> 
> [1]
> https://patchwork.kernel.org/project/linux-arm-msm/patch/1595253740-29466-6-git-send-email-loic.poulain@linaro.org/
> 
> [2]
> https://lore.kernel.org/linux-arm-msm/20210527194455.782108-2-konrad.dybcio@somainline.org/
> 


Unfortunately, (likely) due to a typo in the Subject field, this wasn't
threaded correctly. So, the original message I was responding is:

https://lore.kernel.org/linux-arm-msm/jmayJcXoExAK2G7UBIXMz5CDN0BYgYkFZguHlPNRFOU@cp4-web-038.plabs.ch/

I'm sorry about the confusion with the mail thread!
Cheers,


Guilherme

      reply	other threads:[~2021-09-27 21:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 21:45 Guilherme G. Piccoli
2021-09-27 21:52 ` Guilherme G. Piccoli [this message]

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