[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[Laszlo Kertesz]

On 6/20/2014 4:30 PM, bugzilla-daemon at freedesktop.org wrote:
>
> *Comment # 25 <https://bugs.freedesktop.org/show_bug.cgi?id=72921#c25> 
> on bug 72921 <https://bugs.freedesktop.org/show_bug.cgi?id=72921> from 
> Alex Deucher <mailto:agd5f at yahoo.com> *
> (In reply tocomment #24  <show_bug.cgi?id=72921#c24>)
> > Createdattachment 101420  <attachment.cgi?id=101420>  [details]  <attachment.cgi?id=101420&action=edit>
> > dmesg with working bapm patch
> >
> > I can confirm that the latter patch (attachment 101191  <attachment.cgi?id=101191>  [details]  <attachment.cgi?id=101191&action=edit>  [review]  <page.cgi?id=splinter.html&bug=72921&attachment=101191>  [review])
> > solves the issue for me, I haven't tried the earlier patch because it didn't
> > work for Collin. I can re-test that if that's still useful.
> >
>
> Probably not necessary.
>
> > Attaching dmesg; I compared the probed power states and they appear similar.
> > What's bapm?
>
> It allows the CPU and GPU to share TDP headroom.  E.g., if the CPU isn't busy,
> the the GPU can user higher performance states longer and vice versa.
And what happens if its disabled?
Because as it stands now, the CPU and GPU are still throttled if heated 
up. The CPU's turbo core is disabled, is it the same for the GPU?


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