From: Erik Slagter <erik@slagter.name>
To: linux-acpi@vger.kernel.org
Subject: RE: [PATCH] amd76x_pm: C3 powersaving for AMD K7
Date: Fri, 03 Feb 2006 10:21:41 +0100 [thread overview]
Message-ID: <1138958502.18273.1.camel@localhost.localdomain> (raw)
In-Reply-To: <F7DC2337C7631D4386A2DF6E8FB22B3005EC94C3@hdsmsx401.amr.corp.intel.com>
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On Wed, 2006-02-01 at 20:35 -0500, Brown, Len wrote:
> Re: bad timing
> If the BIOS advertises C2 latency > 100usec, then the BIOS
> and the system do not support C2.
> If the BIOS advertises C3 latency > 1000usec, then the BIOS
> and the system do not support C3.
> This isn't just a suggestion, it is the standard method
> that the spec provides the BIOS to tell the OS to NOT USE these states.
Isn't there any other way to tell the operating system that the C2/C3
states are unusable (e.g. by simply telling they're not there?). This
looks so obfuscated...
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next prev parent reply other threads:[~2006-02-03 9:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-02 1:35 [PATCH] amd76x_pm: C3 powersaving for AMD K7 Brown, Len
2006-02-02 1:50 ` Alan Cox
2006-02-02 9:50 ` Erik Slagter
2006-02-02 19:38 ` Tony Lindgren
2006-02-03 9:21 ` Erik Slagter [this message]
2006-02-03 9:33 ` Pavel Troller
2006-02-03 9:39 ` Erik Slagter
2006-02-03 10:14 ` Pavel Troller
2006-02-03 10:28 ` Erik Slagter
-- strict thread matches above, loose matches on Subject: below --
2006-02-03 18:40 Brown, Len
2006-02-04 10:31 ` Erik Slagter
2006-02-04 10:49 ` Pavel Troller
2006-02-03 18:28 Brown, Len
2006-02-03 18:20 Brown, Len
2006-02-03 8:45 Brown, Len
2006-02-03 9:35 ` Erik Slagter
2006-02-03 10:31 ` Pavel Troller
2006-02-03 14:16 ` Joerg Sommrey
2006-02-03 15:59 ` Juhani Rautiainen
2006-02-03 17:02 ` Erik Slagter
2006-02-08 20:10 ` Pavel Machek
2006-02-02 22:24 Joerg Sommrey
2006-02-02 22:37 ` Andrew Morton
2006-02-03 7:03 ` Joerg Sommrey
2006-02-02 22:43 ` Dave Jones
2006-02-01 18:11 Brown, Len
2006-02-01 18:18 ` Erik Slagter
2006-02-01 18:40 ` Tony Lindgren
2006-02-01 19:13 ` Joerg Sommrey
2006-01-31 18:55 Joerg Sommrey
2006-02-01 3:34 ` Andrew Morton
2006-02-01 10:25 ` Erik Slagter
2006-02-01 17:20 ` Tony Lindgren
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