Luis Silva, having a look at http://www.x.org/wiki/RadeonFeature/#index3h2 it
would appear that upstream has intentionally not chosen "Auto" as the default
power_profile due to the information provided within the section:
>"Power management is supported on all asics (r1xx-evergreen) that include
** Summary changed:
- [Acer Aspire 5740] graphics card uses more power than needed when on battery
+ 1002:68e0 [Acer Aspire 5740] graphics card uses more power than needed when
on battery
** Description changed:
Binary package hint: xserver-xorg-video-radeon
- By using powertop and reading
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