W dniu 15 lutego 2010 06:51 użytkownik Dana Goyette <dgoye...@calpoly.edu> napisał: > 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.
We use lowest one for MINIMUM, which is dpms off. I think we could try to use MINIMUM for GPU idle, and something ever lower for dpms off. I'm really busy now with my study exam, but will back to hacking this week. -- Rafał ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
