From: Dominik Brodowski <linux@dominikbrodowski.de>
To: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
LKML <linux-kernel@vger.kernel.org>,
Dave Jones <davej@codemonkey.org.uk>
Subject: Re: cpufreq problem wrt suspend/resume on Athlon64
Date: Thu, 3 Feb 2005 12:01:55 +0100 [thread overview]
Message-ID: <20050203110155.GA17576@isilmar.linta.de> (raw)
In-Reply-To: <20050203105846.GA1360@elf.ucw.cz>
On Thu, Feb 03, 2005 at 11:58:46AM +0100, Pavel Machek wrote:
> Hi!
>
> > On Thu, Feb 03, 2005 at 11:41:26AM +0100, Pavel Machek wrote:
> > > Okay, you are right, restoring it unconditionaly would be bad
> > > idea. Still it would be nice to tell cpufreq governor "please change
> > > the frequency ASAP" so it does not run at 800MHz for half an hour
> > > compiling kernels on AC power.
> >
> > It already does that... or at least it should. in cpufreq_resume() there is
> > a call to schedule_work(&cpu_policy->update); which will cause a call
> > cpufreq_update_policy() in due course. And cpufreq_update_policy() calls the
> > governor, and it is supposed to adjust the frequency to the user's wish
> > then.
>
> Ok, so Rafael's suspend() routine seems like good fix...
No. I don't see a reason why my desktop P4 should drop to 12.5 frequency
(p4-clockmod) if I ask it to suspend to mem.
Dominik
next prev parent reply other threads:[~2005-02-03 11:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-02 13:28 cpufreq problem wrt suspend/resume on Athlon64 Rafael J. Wysocki
2005-02-02 13:31 ` Pavel Machek
2005-02-03 0:08 ` Rafael J. Wysocki
2005-02-03 10:41 ` Pavel Machek
2005-02-03 10:56 ` Dominik Brodowski
2005-02-03 10:58 ` Pavel Machek
2005-02-03 11:01 ` Dominik Brodowski [this message]
2005-02-03 11:30 ` Rafael J. Wysocki
2005-02-03 12:40 ` Dominik Brodowski
2005-02-03 13:20 ` Rafael J. Wysocki
2005-02-03 14:22 ` Pavel Machek
2005-02-03 23:15 ` Rafael J. Wysocki
2005-02-03 23:34 ` Nigel Cunningham
2005-02-03 23:52 ` Rafael J. Wysocki
2005-02-07 12:38 ` cpufreq problem wrt suspend/resume on Athlon64 [update] Rafael J. Wysocki
2005-02-03 14:20 ` cpufreq problem wrt suspend/resume on Athlon64 Pavel Machek
2005-02-03 21:46 ` Rafael J. Wysocki
2005-02-03 22:00 ` Pavel Machek
2005-02-03 23:37 ` Rafael J. Wysocki
2005-02-03 22:01 ` Pavel Machek
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