On Sun, Aug 21, 2011 at 07:07:38PM +0100, Gordan Bobic wrote: > On 08/21/2011 06:50 PM, Julian Andres Klode wrote: > >On Sun, Aug 21, 2011 at 01:09:09PM +0100, Gordan Bobic wrote: > >>On 08/21/2011 12:27 PM, Julian Andres Klode wrote: > >>>On Sun, Aug 21, 2011 at 12:06:39PM +0100, Gordan Bobic wrote: > >>I'm also curious how come my powertop is showing 1000MHz with no > >>errors in the log when I set SM1 to 975mV. > >Buggy powertop? > > Plausible, but /sys/devices/system/cpu/cpu?/cpufreq/cpuinfo_cur_freq > also reports 1GHz. Look at /sys/kernel/debug/clock/dvfs, it shows frequencies and voltages, as scaled by DVFS and maybe attach it to your next email.
> I'll have to test the speed to establish it for sure, but if what > you are saying is true, then setting SM1 upper limit to 1200 should > have no effect anyway, because upping the voltage limit without > changing it in all the other places you list here won't cause the > voltage to get as high as 1200 as per what is in the git tree. Is > that right? Indeed. While the regulator could scale that high, the DVFS code will only call it to scale from 750 mV to 1100 mV. At least that's what I get told by the code. -- Julian Andres Klode - Debian Developer, Ubuntu Member See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.
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