[Bug 66945] Heavy artifacts and unusable graphics system with the latest DPM changes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66945

--- Comment #9 from queryv+fd at gmail.com ---
(In reply to comment #8)
> Created attachment 82504 [details] [review]
> add module parameter to disable aspm
> 
> Try this patch which adds a new module parameter to disable aspm.  Add
> radeon.aspm=0 to your kernel command line in grub to disable aspm support.

The issue still persists for me after using that patch and disabling aspm. I've
attached a dmesg log taken after booting (to console, no X) using a 3.10
kernel, patched with the latest changes from the drm-fixes-3.11 branch (a01c34)
and your aspm patch. And I've also attached the output from lspci since mine
differs from OPs.

I'm still kind of new to the whole patching thing (I'm a newb) so there's a
chance that I may have done something wrong, but everything seemed like it went
OK to me.

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