[Bug 66952] [IVB Regression: Apple MacBook Pro] shared pll warning, reusing active PLL (eDP + two any pipes will cause call trace in dmesg)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66952

--- Comment #5 from shui yangwei <yangweix.shui at intel.com> ---
Created attachment 82516
  --> https://bugs.freedesktop.org/attachment.cgi?id=82516&action=edit
dmesg: test with patch in comment #4 on -next-queued latest

(In reply to comment #4)
> Created attachment 82476 [details] [review]
> sanitize shared dpll state
> 
> Please test with this patch and grab a new debug dmesg. It's just a hunch
> that this is the bug, so the patch also contains some additional debug
> output in case I'm wrong.

I apply this patch on latest -next-queued kernel, and this issue doesn't
appear. I append the dmesg here.

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