linux-kernel - Re: [PATCH v2 1/3] dt-bindings: power: Introduce 'assigned-performance-states' property

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Date:   Wed, 2 Jun 2021 14:50:38 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Rajendra Nayak <rnayak@...eaurora.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Roja Rani Yarubandi <rojay@...eaurora.org>
Subject: Re: [PATCH v2 1/3] dt-bindings: power: Introduce 'assigned-performance-states'
 property

On Wed, 2 Jun 2021 at 12:55, Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> On 02-06-21, 12:45, Ulf Hansson wrote:
> > Alright, so it looks like we already have the DT binding that we need for this.
> >
> > That leaves us with the question, at what place should we parse it
> > (call of_get_required_opp_performance_state()) and set the performance
> > state for the device?
> >
> > Does it still make sense to do it while attaching the device to the
> > genpd, you think?
>
> For parsing, yes this is the right place. For getting that into
> effect, whenever the device is supposed to work, i.e. with runtime PM
> somehow.

Okay, thanks for confirming. That would be along the lines of what
Rajendra did in patch2.

Kind regards
Uffe