[Bug 63451] DP lost output after switching the terminal sometimes on Ivybridge plaform

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63451

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #3 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #2)
> (In reply to comment #1)
> > Just to check: When you the DP signal is lost, is there anything in the
> > dmesg debug output about it? I somewhat expected a link training issue, but
> > in the attached dmesg there's nothing ...
> 
> Yes, when dp lost display, there isn't error mesg in dmesg. Once setting dp
> from 1024 X 768 to 1920 X 1200 at 151.091982 in dmesg, then dp output
> nothing.

Can you please attach that error?

Also, can you please retest on latest drm-intel-nightly branch from
http://cgit.freedesktop.org/~danvet/drm-intel ?

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