[Bug 84310] [BDW]Black screen shows while executing xrandr rotation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84310

--- Comment #7 from Guo Jinxian <jinxianx.guo at intel.com> ---
Created attachment 107765
  --> https://bugs.freedesktop.org/attachment.cgi?id=107765&action=edit
left

(In reply to Chris Wilson from comment #6)
> (In reply to Guo Jinxian from comment #5)
> > (In reply to Rodrigo Vivi from comment #4)
> > > Hi Guo,
> > > 
> > > Rotation is working fine on my bdw here with recent -nightly. Could you
> > > please verify if it is still happening on your side?
> > 
> > The failure still able to reproduce on latest
> > -nightly(ead7d71357628dc1231535886ec09853e9164d6d).
> > 
> > Only "xrandr --output eDP1 --rotation normal" works well. Rotation left,
> > rotation right and rotation inverted all unable to work.
> 
> Could you update the dmesg? In particular does:
> 
> xrandr --output eDP1 --rotation left
> xrandr --output eDP1 --rotation normal
> 
> work?

Please check the dmesg while rotate left.

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