[Bug 91791] [SKL-U] System hang when plug in a VGA monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91791

--- Comment #31 from Jim Bride <jim.bride at linux.intel.com> ---
The system doesn't hang because the clock is being set right for the port being
used for MST with the patch in place.  We still seem to have a problem with
link training, which is why you are not seeing any monitor output.  I'm hoping
to get together with one of my colleagues today and use a DP protocol analyzer
to see if we can figure out what is going on.  There isn't a lot of visibility
into the link training process from software, unfortunately.

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