On 02/14/2010 07:43 PM, Alex Deucher wrote: > On Fri, Feb 12, 2010 at 10:38 AM, Dana Goyette<dgoye...@calpoly.edu> wrote: > >> On 02/11/2010 02:00 PM, Rafał Miłecki wrote: >> >>> W dniu 11 lutego 2010 22:50 użytkownik Rafał Miłecki<zaj...@gmail.com> >>> napisał: >>> >>>> --- >>>> drivers/gpu/drm/radeon/radeon_pm.c | 57 >>>> +++++++++++------------------------ >>>> 1 files changed, 18 insertions(+), 39 deletions(-) >>>> >>> Dave you can add >>> Signed-off-by: Rafał Miłecki<zaj...@gmail.com> >>> of course, if you wish. Forgot that. >>> >>> >> Hmm, something to watch out for: what about cards that offer more than one >> battery state? Take my RV635 (Mobility HD3650), for example -- my card has >> two battery states with different frequencies. >> > They are for different things. The dmesg output doesn't print out the > full power state info. Most likely one is for video playback that has > slightly different performance or bandwidth requirements compared to > the regular battery state. > > Alex > On that note, how do you define which is the "regular" battery state? Right now, the PM code seems to miss the lowest-speed state, and thus doesn't save as much power as it ideally would.
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