From: Bruno Ducrot <ducrot@poupinou.org>
To: "Langsdorf, Mark" <mark.langsdorf@amd.com>
Cc: cpufreq@lists.linux.org.uk, Brendt Wohlberg <bw4@wohlberg.net>
Subject: Re: powernow-k8: missing p-state
Date: Tue, 23 Aug 2005 10:42:39 +0200 [thread overview]
Message-ID: <20050823084239.GA28353@poupinou.org> (raw)
In-Reply-To: <84EA05E2CA77634C82730353CBE3A84301CFC36F@SAUSEXMB1.amd.com>
On Thu, Aug 18, 2005 at 12:24:31PM -0500, Langsdorf, Mark wrote:
> > > The kernel was built with general ACPI support (CONFIG_ACPI=y), as
> > > well as with the ACPI option for powernow-k8
> > > (CONFIG_X86_POWERNOW_K8_ACPI=y).
> > >
> > > > Could you send me the output of acpidmp, please ?
> > >
> > > With pleasure - it's attached.
> >
> > As expected, there is only 3 p-states on that one, namely
> > 2200, 2000 and 1800 kHz.
> >
> > Maybe the legacy tables are not so broken. Could you please
> > try that little tool I'm attaching (compile with -O at least)?
> >
> > NB: it has been written for powernow-k7 originaly. So it
> > will certainly give false values. What I want to see in fact
> > is the number of frequencies available.
>
> Bruno -
>
> Thank you for the support, but my experience has been that
> the PSB/PST tables are much less likely to exist or be
> correct than the ACPI tables. I'm not sure what your tool
> is going to demonstrate.
>
I want to demonstrate nothing. But if for *one* guy it's better
to use PSB/PST tables instead of those provided by ACPI, then
a kernel boot parameter in order to force the use of those
tables should be written IMHO.
It's not the case here, therefore I won't bother to write
such a patch.
Cheers,
--
Bruno Ducrot
-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.
next prev parent reply other threads:[~2005-08-23 8:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-18 17:24 powernow-k8: missing p-state Langsdorf, Mark
2005-08-23 8:42 ` Bruno Ducrot [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-08-08 14:21 Langsdorf, Mark
2005-08-08 0:13 Brendt Wohlberg
2005-08-08 7:16 ` Bruno Ducrot
[not found] ` <20050808150713.GA11015@localhost>
2005-08-09 8:26 ` Bruno Ducrot
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