Status of Radeon power management / laptop overheating
pasik at iki.fi
Tue Jul 19 09:47:13 PDT 2011
On Mon, Jul 11, 2011 at 11:26:32PM +0300, Pasi Kärkkäinen wrote:
> Does someone know the current status of radeon power management in Linux?
> and also the roadmap/todo?
> I have a laptop than runs *very* hot in Linux, while it's cool in Windows,
> and the difference seems to be mostly about radeon graphics driver.
> The default power_profile makes the laptop run *very* hot,
> and Linux does "thermal emergency shutdowns" pretty often.
> When I change the default radeon power_profile to "mid" or "low" the temperature
> goes down by 10-20 degrees celsius, but it's still more hot in Linux compared to Windows.
> Some bugzillas from Fedora:
> "Computer becomes very hot (2011 27inch iMac)":
> "radeon driver default power profile causes laptop overheating":
> My testing is done with Fedora 14 (Linux 2.6.35) and Fedora 15 (Linux 2.6.38).
Any thoughts about this?
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