https://bugs.freedesktop.org/show_bug.cgi?id=38488

--- Comment #4 from Harald Judt <h.judt at gmx.at> 2011-06-23 02:36:33 PDT ---
> The funny voltage value isn't a real value it's a flag for the driver.
> This patch should fix up that issue:
[...]

I had this patch already applied, but this seems to fix a different issue not
related to resuming.

I reproduced the problem on git vanilla kernel now
(bccaeafd7c117acee36e90d37c7e05c19be9e7bf) using in-kernel suspend. I didn't
check whether this has your patch already applied, but I don't think it would
change anything here.

So there are two things to conclude:
* The strange voltage reading and the power_profile malfunction are both caused
by doing hibernate/resume.
* The self-modified tuxonice patch is not the culprit, as the symptoms are the
same with in-kernel suspend.

Therefore, something is not right with the cayman power management code.

Would it help if I provide drm.debug information? Any special parameters
required for drm.debug?

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