[Bug 63451] [ivb dp] lost output after switching the terminal sometimes

[bugzilla-daemon at freedesktop.org]

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

--- Comment #21 from XiongZhang <xiong.y.zhang at intel.com> ---
(In reply to comment #20)
> Have you tried to set different modes once the signal is lost to see if it
> will come up with a different resolution? Or does it require retraining/hot
> plugging to restore the video? How about setting it back to 1024x768?

I can reproduce this issue using latest drm-intel-nightly branch.When DP lost
output and hot plug DP, sometimes dp can restore. sometimes it can't.
Setting it back to 1024X768, dp can restore display.

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