[Bug 104451] [SKL] Black screen on 4.15-rc6 (DP link training error) [regression]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104451

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|medium                      |high

--- Comment #5 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
As reference:
good:
commit 069d40f5834ad26a58f269225a7e13af17019062
Author: Imre Deak <imre.deak at intel.com>
Date:   Tue Oct 3 12:51:59 2017 +0300

    drm/i915/glk: Fix DMC/DC state idleness calculation
bad:
commit 5ea2355a100a3c6304901d058aee06d3a6be69bc
Author: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
Date:   Tue Oct 3 17:22:11 2017 +0300

    drm/i915/mst: Use MST sideband message transactions for dpms control

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