[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 #21 from dog <paul.a.parenteau at intel.com> ---
This is a very confusing thread.  I'm trying to make sense of all the comments
here.  The description says that one OEM system hands if a VGA monitor is
plugged in.  Comment #1 says the issue can't be reproduced.  (Note that we've
been encountering poor quality DP->VGA dongles quite a bit this year)

Please provide a summary of the simplest configuration that demonstrates the
error today.  Can it be demonstrated with out the use of dongles or converter
boxes?  Can you connect from a DP port to two monitors in series?  Does that
work?

The status of DP MST and DP MST audio is being captured in the driver, but it
is know that a number of Dave Airlie's patches are still in review.  So, DP MST
functionality is not complete.

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