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From: Moritz Muehlenhoff <jmm@inutil.org>
To: Matthew Garrett <mgarrett@chiark.greenend.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Average power consumption in S3?
Date: Thu, 10 Mar 2005 18:27:24 +0100	[thread overview]
Message-ID: <20050310172724.GA6211@informatik.uni-bremen.de> (raw)
In-Reply-To: <E1D92Mk-0006HD-00@chiark.greenend.org.uk>

Matthew Garrett wrote:
> Radeons don't actually power down in D3 unless some registers are set,
> and even then the kernel doesn't currently have any code that would put
> the Radeon in D3. If you're willing to test something, could you try the
> code at
> 
> http://www.srcf.ucam.org/~mjg59/radeon/
> 
> immediately before putting the machine into suspend? Make sure that you
> do this from something other than X.

This reduces power consumption from ca. 1500 to ca. 1200 mWh, so it's
already a huge improvement, but with 1.5 days of maximal suspend still
pretty far away from a week.

Cheers,
        Moritz

  reply	other threads:[~2005-03-10 17:36 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-09 14:26 Moritz Muehlenhoff
2005-03-09 14:40 ` Matthew Garrett
2005-03-10 17:27   ` Moritz Muehlenhoff [this message]
2005-03-11 19:49   ` Jan De Luyck
2005-03-09 17:22 ` Martin Josefsson
2005-03-10 18:08   ` Moritz Muehlenhoff
2005-03-11  3:46     ` Theodore Ts'o
2005-03-11  4:51       ` Benjamin Herrenschmidt
2005-03-11 17:44         ` Theodore Ts'o
2005-03-11 23:48           ` Benjamin Herrenschmidt
2005-03-12  4:58             ` Theodore Ts'o
2005-03-12  5:21               ` Benjamin Herrenschmidt
2005-03-11 19:39         ` Bill Davidsen

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