[Bug 93578] 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 #37 from lesiehnie at web.de ---
(In reply to PJ from comment #36)
> I tested with kernels 4.4.3, 4.5.1 and 4.6.0 #201604152200 (nightly). Fully
> updated TB3 firmware from Dell and everything working fine when I try in
> windows to go.

Could you try vanilla kernel 4.5.2? The Dell WD 15 works with 4.5.2 also at
high resolutions (Dell U2713H Monitor, 2546x1440), an oops message is displayed
in the dmesg log after turning off the monitor using xrandr, though. (See
comment 33) There was no need to turn off HBR2 to make it work with kernel
4.5.2.

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