[Bug 84083] [BDW Bisected]DP unable to light up after unplug/plug while X running

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84083

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |NEEDINFO

--- Comment #10 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to Guo Jinxian from comment #9)
> (In reply to comment #8)
> > (In reply to comment #2)
> > > Created attachment 106985 [details]
> > > xrandr --verbose before plugging
> > > 
> > > (In reply to comment #1)
> > > > What does xrandr --verbose report before unplugging, after and then after
> > > > plugging it back in?
> > > 
> > > Please check the attachment.
> > 
> > Here, did you actually meant that this xrandr was with the DP monitor still
> > attached, i.e. before *unplugging*?
> > 
> > If so, since the detection at this point declares that DP1 is unconnected,
> > the bug is that we don't detect the display until after we plug it back in.
> 
> xrandr --verbose before plugging：DP monitor didn't attach.
> xrandr --verbose plugging: DP monitor attached
> xrandr --verbose after unpluging: DP monitor didn't attach

Everything seems to work. Is this _really_ with a broken kernel?

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