Re: [PATCH V8 1/6] PM / Domains: Add support to select performance-state of domains

From	Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH V8 1/6] PM / Domains: Add support to select performance-state of domains
Date	2017-07-31 06:20 +0200
Message-ID	<u9alr-1ss-3@gated-at.bofh.it> (permalink)
References	(2 earlier) <u4dtE-51t-25@gated-at.bofh.it> <u4WqJ-7Z-3@gated-at.bofh.it> <u5BDz-2rl-1@gated-at.bofh.it> <u8bjA-2W9-15@gated-at.bofh.it> <u8vih-80I-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 29-07-17, 10:24, Ulf Hansson wrote:
> Let's invent a new genpd flag, GENPD_FLAG_PERF_STATE!
> 
> The creator of the genpd then needs to set this before calling
> pm_genpd_init(). Similar as we are dealing with GENPD_FLAG_PM_CLK.
> 
> The requirement for GENPD_FLAG_PERF_STATES, is to have the
> ->get_performance_state() assigned. This shall be verified during
> pm_genpd_init().
> 
> The pm_genpd_has_performance_state() then only need to return true, in
> cases the device's genpd has GENPD_FLAG_PERF_STATE set - else false.
> 
> Regarding ->set_performance_state(), let's just make it optional - and
> when trying to set a new performance state, just walk the genpd
> hierarchy, from bottom to up, then invoke the callback when it's
> assigned.

Sounds good.

-- 
viresh

Thread

Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-19 14:40 +0200
  Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Ulf Hansson <ulf.hansson@linaro.org> - 2017-07-21 10:40 +0200
    Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-21 11:10 +0200
      Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Ulf Hansson <ulf.hansson@linaro.org> - 2017-07-23 09:30 +0200
        Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-24 12:40 +0200
    Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-28 13:10 +0200
      Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Ulf Hansson <ulf.hansson@linaro.org> - 2017-07-29 10:30 +0200
        Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-31 06:20 +0200
          Re: [PATCH V8 1/6] PM / Domains: Add support to select  performance-state of domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-08-02 10:30 +0200

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