power usage ATI R600 card

Vedran Miletić rivanvx at gmail.com
Wed Nov 4 08:08:25 UTC 2009


On Wed, Nov 4, 2009 at 12:39 AM, Rodd Clarkson <rodd at clarkson.id.au> wrote:
> On Mon, 2009-11-02 at 22:46 +0100, Vedran Miletić wrote:
>> On Mon, Nov 2, 2009 at 10:41 PM, Lars Hamann <list at bistromatic.de> wrote:
>> > Hi all,
>> >
>> > I've just checked the power usage of f10 + fglrx and
>> > f12/rawhide using xorg-x11-drv-ati and kernel 2.6.31.5-107.
>> >
>> > With xorg-x11-drv-ati the system uses 30 watts more than f10 + fglrx
>> > (100 vs. 130 watts). I'm using a RV670PRO [Radeon HD 3850]. See
>> > http://www.smolts.org/client/show/pub_66917802-6fe1-48e9-883b-b203e81d9a4a
>> > for details.
>> >
>> > Is this expected?
>
>>
>> I'm pretty certain power managemnt for R600+ is not yet implemented.
>> So, that would explain it.
>
> Ah, that would explain the seriously bad battery life in f11 and f12
> then?

Yeah, that would explain it. I believe R500 power management is
supported, though.

-- 
Vedran Miletić




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