[Bug 103819] [SKL] Black screen after suspend/resume with eDP

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103819

--- Comment #4 from Peter Wu <peter at lekensteyn.nl> ---
Created attachment 135875
  --> https://bugs.freedesktop.org/attachment.cgi?id=135875&action=edit
journal for Linux v4.14-2225-gb4da24717364 (drm-tip) + SKL DMC 1.27

Hi Elizabeth,

(In reply to Elizabeth from comment #3)
> Hello Peter, could you try
> https://bugs.freedesktop.org/show_bug.cgi?id=101991#c18? Thank you.

Updating firmware and applying the kernel patch makes no difference. Note that
I do not get a GPU hang. In case of failure, I can see:

[drm:intel_dp_start_link_train] [CONNECTOR:58:eDP-1] Link Training failed at
link rate = 270000, lane count = 2

Could it be related?

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