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Date:   Tue, 12 Jan 2021 11:28:22 +0800
From:   Chen Yu <>
To:     Srinivas Pandruvada <>
Cc:     Len Brown <>,
        "Rafael J. Wysocki" <>,
        Viresh Kumar <>,,,
        Zhang Rui <>,
        Wendy Wang <>
Subject: Re: [PATCH 2/2][v2] cpufreq: intel_pstate: Get percpu max freq via
 HWP MSR register if available

On Mon, Jan 11, 2021 at 03:11:02AM -0800, Srinivas Pandruvada wrote:
> On Mon, 2021-01-11 at 15:43 +0800, Chen Yu wrote:
> > Currently when turbo is disabled(either by BIOS or by the user), the
> > intel_pstate
> > driver reads the max frequency from the package-wide
> > MSR_PLATFORM_INFO(0xce) register.
> > However on asymmetric platforms it is possible in theory that small
> > and big core with
> > HWP enabled might have different max cpu frequency
> max non-turbo frequency (although code call max_freq).
Okay, will change.

> Thanks,
> Srinivas

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