<div class="gmail_quote">On Wed, Sep 7, 2011 at 14:16, Philipp Klaus Krause <span dir="ltr"><<a href="mailto:pkk@spth.de">pkk@spth.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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</div>Am 06.09.2011 17:53, schrieb Keith Packard:<br>
<div><div></div><div class="h5">> On Tue, 06 Sep 2011 15:11:12 +0200, Philipp Klaus Krause <<a href="mailto:pkk@spth.de">pkk@spth.de</a>> wrote:<br>
><br>
>> Here's the output from git-bisect:<br>
>><br>
>> d74362c9e45689d8d7e3d4bcf6681c4358ef4f2e is the first bad commit<br>
>> commit d74362c9e45689d8d7e3d4bcf6681c4358ef4f2e<br>
>> Author: Keith Packard <<a href="mailto:keithp@keithp.com">keithp@keithp.com</a>><br>
>> Date: Thu Jul 28 14:47:14 2011 -0700<br>
>><br>
>> drm/i915: Flush other plane register writes<br>
>><br>
>> Writes to the plane control register are buffered in the chip until a<br>
>> write to the DSPADDR (pre-965) or DSPSURF (post-965) register<br>
>> occurs.<br>
><br>
> Makes me wonder if this is some interaction between page flipping and<br>
> frame buffer compression. Could you try turning it off with the<br>
> following kernel command line parameter?<br>
><br>
> i915.i915_enable_fbc=0<br>
><br>
<br>
</div></div>The problem goes away with i915.i915_enable_fbc=0. I'll probably use<br>
that workaround until the issue is fixed.<br></blockquote><div><br>Hi,<br><br>just to help me keep track of this, is there a bug on bugzilla about it?<br></div></div><br>-- <br>Eugeni Dodonov<a href="http://eugeni.dodonov.net/" target="_blank"><br>
</a><br>