[Bug 107980] (Tiled) MST display Dell UP3214Q only initialized very late

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107980

Paul Menzel <pmenzel+bugs.freedesktop.org at molgen.mpg.de> changed:

           What    |Removed                     |Added
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                 CC|                            |pmenzel+bugs.freedesktop.or
                   |                            |g at molgen.mpg.de

--- Comment #2 from Paul Menzel <pmenzel+bugs.freedesktop.org at molgen.mpg.de> ---
Created attachment 144206
  --> https://bugs.freedesktop.org/attachment.cgi?id=144206&action=edit
Linux 5.1 messages (dmesg)

This still happens with Linux 5.1.

Display blank during firmware until GDM. `systemctl restart gdm` does *not*
help. Plugging the cable from DP1 to DP2 and `systemctl restart gdm` activates
monitor and GDM login screen is visible.

Can you see anything in the debug logs?

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