linux-kernel - Re: [PATCH v1 7/7] arm64: dts: sdm845: wireup the thermal trip points to cpufreq

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Message-ID: <CAHLCerNQgOrud7OkhJ3Vy431B=kQuXZU5pSMXc24cU1ZUeR1Xw@mail.gmail.com>
Date:   Thu, 10 Jan 2019 17:58:47 +0530
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Eduardo Valentin <edubezval@...il.com>,
        Andy Gross <andy.gross@...aro.org>,
        Taniya Das <tdas@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        David Brown <david.brown@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v1 7/7] arm64: dts: sdm845: wireup the thermal trip points
 to cpufreq

On Thu, Jan 10, 2019 at 5:58 AM Stephen Boyd <swboyd@...omium.org> wrote:
>
> Quoting Amit Kucheria (2019-01-09 16:00:56)
> > Since the big and little cpus are in the same frequency domain, use all
>
> Oh? I thought the big and little cpus were in different frequency
> domains and voltage domains. Maybe that's what you're saying here but
> I'm misunderstanding. So change the wording a bit to be more clear?

Yeah, forgive my English - it is my second language. ;-)

That should've been "since all the cpus in the big and little clusters
are in the same frequency domain". Will fix.

> > of them for mitigation in the cooling-map. At the lower trip points we
> > restrict ourselves to throttling only a few OPPs. At higher trip
> > temperatures, allow ourselves to be throttled to any extent.
> >
> > Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
>