[Bug 93578] [SKL] Intel HD 520 failed to train DP when connected with a external monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93578

--- Comment #66 from Mads <mads at ab3.no> ---
Tested drm-intel-nightly f6a248e2507f98d7eb1f4fec8cfcbf685a33d289 (4.9.0-rc8+),
and the DA200 dongle still can't output high resolutions yet. XPS 15 9550.

Are there any new CONFIG options in the kernel we should make sure are enabled?
USB-C-stuff?

Why does USB-C -> DP work, but not USB-C -> DA200 -> HDMI? Are they not related
at all? (I'm typing this on a 4k monitor connected through USB-C with a USB-C
-> DP-dongle on the aforementioned XPS 15)

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