Linux Power Management development
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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	Kevin Hilman <khilman@baylibre.com>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@codeaurora.org>,
	"Nayak, Rajendra" <rnayak@codeaurora.org>,
	Georgi Djakov <georgi.djakov@linaro.org>,
	Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
	Mark Brown <broonie@kernel.org>
Subject: Re: [Discussion] Performance levels of power domains
Date: Fri, 28 Oct 2016 09:32:40 +0530	[thread overview]
Message-ID: <20161028040240.GI10423@vireshk-i7> (raw)
In-Reply-To: <CAPDyKFrO6VxnfnG7ragPj80auWPJWMmfRABwsNnCg3U4gGCR4g@mail.gmail.com>

On 27-10-16, 13:46, Ulf Hansson wrote:
> One thing that would be interesting to know is where the
> power/performance preference "voting" can be done. Is that in also in
> the separate processor or is that a job for the kernel?

In our case it is required to be done by the kernel.

> Perhaps the OPP framework might be better place? One could also think
> of extending this to support "OPP PM domains"...

OPP framework will surely get some updates for this, as it needs to
relate the frequencies with power levels for the domains.

-- 
viresh

  reply	other threads:[~2016-10-28  4:02 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-26 10:52 [Discussion] Performance levels of power domains Viresh Kumar
2016-10-26 11:09 ` Sudeep Holla
2016-10-26 11:16   ` Viresh Kumar
2016-10-26 11:21     ` Sudeep Holla
2016-10-28  0:22       ` Stephen Boyd
2016-10-28  8:52         ` Sudeep Holla
2016-10-26 19:00 ` Kevin Hilman
2016-10-27  3:46   ` Viresh Kumar
2016-10-27  7:17     ` Vincent Guittot
2016-10-27  8:28       ` Viresh Kumar
2016-10-27 10:14     ` Rafael J. Wysocki
2016-10-27  7:13   ` Vincent Guittot
2016-10-27 10:11   ` Rafael J. Wysocki
2016-10-27 10:23     ` Viresh Kumar
2016-10-27 10:26       ` Rafael J. Wysocki
2016-10-27 11:46     ` Ulf Hansson
2016-10-28  4:02       ` Viresh Kumar [this message]
2016-10-27 13:12     ` Sudeep K N
2016-10-27 17:24     ` Kevin Hilman
2016-11-09 11:46     ` Viresh Kumar
2016-11-10 19:14       ` Kevin Hilman

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