On 27/06/2013 12:00, Mick wrote: > On Thursday 27 Jun 2013 09:19:02 Alan McKinnon wrote: >> On 26/06/2013 16:28, Mick wrote: > >>> cat /etc/local.d/set_radeon_power_profile.start >>> echo auto > /sys/class/drm/card0/device/power_profile >> >> I did try that once, and somehow it went horribly wrong - the machine >> became *very* unresponsive to keyboard and mouse, as if it was applying >> huge amounts of CPU throttling (not freq scaling) > > Hmm ... interesting. I do not get any such problems. I have set up > /sys/class/drm/card0/device/power_method to 'profile' and power_profile to > 'auto' as shown above and the fan behaviour is comparable to MSWindows. Are > you sure you did not try 'low' instead of 'auto'? > > Perhaps leaving power_profile at default and using 'dynpm' at power_method > may > work better? Have a look here: > > https://wiki.archlinux.org/index.php/ATI >
I'll give that a try. I may have just had bad luck back when or even done it wrong. I don't *really* need this to work, I only brought it up because the OCD engineer in me freaks out with optimizations I find I can't use. And also because many other folk do need maximum battery life -- Alan McKinnon [email protected]
