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From: Alexey Klimov <alexey.klimov@arm.com>
To: Prashanth Prakash <pprakash@codeaurora.org>
Cc: linux-pm@vger.kernel.org, rjw@rjwysocki.net,
	viresh.kumar@linaro.org, ahs3@redhat.com, hotran@apm.com
Subject: Re: [PATCH] cpufreq / CPPC: Initialize policy->min to lowest nonlinear performance
Date: Fri, 12 May 2017 14:43:43 +0100	[thread overview]
Message-ID: <20170512134343.GA7571@arm.com> (raw)
In-Reply-To: <1494542384-7502-1-git-send-email-pprakash@codeaurora.org>

On Thu, May 11, 2017 at 04:39:44PM -0600, Prashanth Prakash wrote:
> Description of Lowest Perfomance in ACPI 6.1 specification states:
> "Lowest Performance is the absolute lowest performance level of
> the platform. Selecting a performance level lower than the lowest
> nonlinear performance level may actually cause an efficiency penalty,
> but should reduce the instantaneous power consumption of the processor.
> In traditional terms, this represents the T-state range of performance
> levels."
> 
> Set the default value of policy->min to Lowest Nonlinear Performance
> to avoid any potential efficiency penalty.
> 
> Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>

Acked-by: Alexey Klimov <alexey.klimov@arm.com>


Thanks,
Alexey

      parent reply	other threads:[~2017-05-12 13:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-11 22:39 [PATCH] cpufreq / CPPC: Initialize policy->min to lowest nonlinear performance Prashanth Prakash
2017-05-12  5:25 ` Viresh Kumar
2017-05-12 13:43 ` Alexey Klimov [this message]

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