linux-kernel - RE: [PATCH v4 08/14] dt: qcom: Add opp and thermal to the msm8996

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Date:   Fri, 4 May 2018 09:48:46 +0300
From:   <ilialin@...eaurora.org>
To:     "'Viresh Kumar'" <viresh.kumar@...aro.org>
Cc:     "'Michael Turquette'" <mturquette@...libre.com>,
        "'Stephen Boyd'" <sboyd@...nel.org>,
        "'Rob Herring'" <robh@...nel.org>,
        "'Mark Rutland'" <mark.rutland@....com>,
        "'Rafael J. Wysocki'" <rjw@...ysocki.net>,
        "'Liam Girdwood'" <lgirdwood@...il.com>,
        "'Mark Brown'" <broonie@...nel.org>,
        "'Andy Gross'" <andy.gross@...aro.org>,
        "'David Brown'" <david.brown@...aro.org>,
        "'Catalin Marinas'" <catalin.marinas@....com>,
        "'Will Deacon'" <will.deacon@....com>,
        "'Linux Clock List'" <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        "'Linux Kernel Mailing List'" <linux-kernel@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        "'open list:ARM/QUALCOMM SUPPORT'" <linux-soc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        "'Nayak, Rajendra'" <rnayak@...eaurora.org>,
        "'Amit Kucheria'" <amit.kucheria@...aro.org>,
        "'Nicolas Dechesne'" <nicolas.dechesne@...aro.org>,
        <celster@...eaurora.org>, <tfinkel@...eaurora.org>
Subject: RE: [PATCH v4 08/14] dt: qcom: Add opp and thermal to the msm8996

Kryo has single clock per cluster. I define here a shared OPP table per cluster.

> -----Original Message-----
> From: Viresh Kumar <viresh.kumar@...aro.org>
> Sent: Friday, May 4, 2018 09:04
> To: Ilia Lin <ilialin@...eaurora.org>
> Cc: Michael Turquette <mturquette@...libre.com>; Stephen Boyd
> <sboyd@...nel.org>; Rob Herring <robh@...nel.org>; Mark Rutland
> <mark.rutland@....com>; Rafael J. Wysocki <rjw@...ysocki.net>; Liam
> Girdwood <lgirdwood@...il.com>; Mark Brown <broonie@...nel.org>;
> Andy Gross <andy.gross@...aro.org>; David Brown
> <david.brown@...aro.org>; Catalin Marinas <catalin.marinas@....com>; Will
> Deacon <will.deacon@....com>; Linux Clock List <linux-
> clk@...r.kernel.org>; devicetree@...r.kernel.org; Linux Kernel Mailing List
> <linux-kernel@...r.kernel.org>; linux-pm@...r.kernel.org; linux-arm-
> msm@...r.kernel.org; open list:ARM/QUALCOMM SUPPORT <linux-
> soc@...r.kernel.org>; linux-arm-kernel@...ts.infradead.org; Nayak,
> Rajendra <rnayak@...eaurora.org>; Amit Kucheria
> <amit.kucheria@...aro.org>; Nicolas Dechesne
> <nicolas.dechesne@...aro.org>; celster@...eaurora.org;
> tfinkel@...eaurora.org
> Subject: Re: [PATCH v4 08/14] dt: qcom: Add opp and thermal to the
> msm8996
> 
> On 2 April 2018 at 14:46, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> 
> >> +     cluster0_opp: opp_table0 {
> >> +             compatible = "operating-points-v2";
> >> +             opp-shared;
> >
> > Is Kryo like krait where CPUs do DVFS independently ? If yes, then
> > opp-shared thing should be dropped.
> 
> Have you ever replied to this question ? Sorry, but I am not able to find it in
> my inbox :(