https://bugs.freedesktop.org/show_bug.cgi?id=28522
Alex Deucher agd5f@yahoo.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |NOTABUG
--- Comment #1 from Alex Deucher agd5f@yahoo.com 2010-06-14 00:11:46 PDT --- Most pre-r6xx desktop cards, including yours, do not offer power saving states in the power tables. As such all power states are the same on your card. auto does nothing on your card as well since all it does is wait for for acpi power plug events and switch between lower and higher power states when that happens. Since your system is a desktop, there is no acpi power plug event.