[Bug 71267] sna: (Haswell) X-server freezes when enabling DP at docking station

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71267

--- Comment #139 from Bernhard <schlimmchen at yahoo.de> ---
(In reply to comment #138)
> When I plug in an external monitor, xranrd shows it as connected
> to DP2, regardless of whether it's connected to DP1, DP2, DVI or HDMI.

>From how I understand it, this is because all the display connectors are
provided through a DP MST hub that is working in the dock. This hub then
provides three possible outputs (VGA, digital group 1 and digital group 2). We
need DP MST support.

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