No subject

When the root cause will be discovered, we should allow both of course. But
so far, all the attempts on this weren't successful.

-- 
Eugeni Dodonov
<http://eugeni.dodonov.net/>

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<div class=3D"gmail_quote">On Tue, Nov 22, 2011 at 18:15, Matthew Garrett <=
span dir=3D"ltr">&lt;<a href=3D"mailto:mjg at redhat.com">mjg at redhat.com</a>&g=
t;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0=
 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

<div class=3D"im">On Fri, Nov 18, 2011 at 10:41:29PM -0800, Keith Packard w=
rote:<br>
<br>
&gt; + =A0 =A0 /*<br>
&gt; + =A0 =A0 =A0* Only enable RC6 if all dma remapping is disabled, or if=
<br>
&gt; + =A0 =A0 =A0* there&#39;s no iommu present in the machine.<br>
&gt; + =A0 =A0 =A0*/<br>
&gt; + =A0 =A0 if (INTEL_INFO(dev)-&gt;gen =3D=3D 6)<br>
&gt; + =A0 =A0 =A0 =A0 =A0 =A0 return no_iommu || dmar_disabled;<br>
<br>
</div>So the user has to choose between 5W of power saving or having dmar? =
And<br>
we default to giving them dmar?</blockquote><div><br>From the latest invest=
igations, it is either this, or random gpu hangs and crashes when both are =
enabled :(.<br><br>When the root cause will be discovered, we should allow =
both of course. But so far, all the attempts on this weren&#39;t successful=
.<br clear=3D"all">

</div></div><br>-- <br>Eugeni Dodonov<a href=3D"http://eugeni.dodonov.net/"=
 target=3D"_blank"><br></a><br>

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