[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

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
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             Status|REOPENED                    |NEEDINFO

--- Comment #8 from Daniel Vetter <daniel at ffwll.ch> ---
Can you please attach a reg dump for each of the three cases below?

(In reply to comment #7)
> If I boot with VGA and 2 DVI monitors(we use HDMI->DVI and DP->DVI dongle)，
> they all can work well. 
After boot completes with this config and things work.

> But if I boot with one DVI, then I plug in another DVI, finally plug in the
> VGA, the VGA can't light up.
After trying to light up VGA, but VGA not showing anything.

> Then if I start X, the VGA still can't light up. I kill X and restart X, all
> screen can light up correctly.
After restarting X, so that all 3 pipes work again.

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