[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #6 from Pasi Kärkkäinen <pasik at iki.fi> 2012-06-04 03:18:50 PDT ---
(In reply to comment #5)
> Those integrated chipsets like IGPs and APUs current don't have a full power
> management implementation. So they are running with whatever is the (very slow)
> default speed the BIOS is programming at boot.
> 

Uhm.. at least my Mobility Radeon HD3650 runs very *hot* as a default.. so hot
that most/many liveCD Linux distros crash before the computer boots to the
desktop. Or then Linux does emergency thermal shutdown halfway the boot
sequence as a safety measure.. 

The default radeon driver power_profile ("default") seems to be broken at least
on this graphics card. When I manually switch to power_profile "low" the
temperature of the laptop goes down 10-20 degrees celsius.

> Alex is working on advanced power management, so I'm not so deep into it, but
> AFAIK this should be improving in the near future.
> 

Oh, this is good news. Any more info about it? 

Thanks,

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