[Bug 104147] SKL Dell docking station second DP not detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104147

--- Comment #2 from Rick <rtvernam at gmail.com> ---
Created attachment 136015
  --> https://bugs.freedesktop.org/attachment.cgi?id=136015&action=edit
xrandr --verbose output

eDP1 is the laptop screen.
DP1 is the first display port of the docking station.

I don't know what the other disconnected ports are ie (DP2, DP3, HDMI 1, 2 or
3).
The port names are different when using the AMD video and I don't know how to
map between the two.

I meant to also mention, enabling or disabling the eDP1 laptop screen does not
impact the functionality of the second display port on the docking station.

I have also tried un-plugging & re-plugging the display port cable while the
system is running, this does not produce any output in dmesg.
I have also tried removing & restoring power from the second monitor while the
system is running, this also does not produce additional output in dmesg.

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