[Bug 56568] [IVB] 3-pipe (VGA + 2 DVI) fail to work

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=56568

--- Comment #7 from yangguang <guang.a.yang at intel.com> ---
Created attachment 71419
  --> https://bugs.freedesktop.org/attachment.cgi?id=71419&action=edit
dmesg info on 12.12

(In reply to comment #6)
> Believed (Daniel!) to be working again.
I try with the -nightly:
Kernel: (drm-intel-nightly)539526b4137bc0e7a8806c38c8522f226814a0e6
now the issue still occurs, it likes this: 
If I boot with VGA and 2 DVI monitors(we use HDMI->DVI and DP->DVI dongle)，
they all can work well. 
But if I boot with one DVI, then I plug in another DVI, finally plug in the
VGA, the VGA can't light up.
Then if I start X, the VGA still can't light up. I kill X and restart X, all
screen can light up correctly.
I attach the dmesg.

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