[Bug 67982] After boot, the APU is powered with its maximum voltage (trinity/ARUBA)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67982

--- Comment #2 from Kertesz Laszlo <laszlo.kertesz at gmail.com> ---
I have further information on this.
It seems that before the X server is started, the CPU voltage is correctly
regulated - it's at 0.9 v, when not doing anything, which is the correct
behavior.

But after x starts, the voltage jumps to 1.34 or 1.44 and stays there until i
dpms off/on the monitor. It seems that vt switching doesnt always help here.

If it works correctly and restart just the x server, it will go up again to
1.34, as the first time and i have to do the dpms off/on thing to bring it back
to work.

Also it seems that this voltage increase kicks in only after i logged in and
the desktop (xfce) is loaded - at the lightdm login screen i still have 0.9v.

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