[Bug 78507] [hsw dp]No native resolution 2560x1600 on Lenovo Onelink Pro DisplayPort and X1 Carbon 2014

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78507

--- Comment #7 from Chunlei Wu <anewgene+freedesktop at gmail.com> ---
I'm now using linux kernel 3.13.0-33-generic (latest from Ubuntu trusty
updates). The issue is still there: no native resolution on the dock DP output
(DP2). It falls back to 1024x768. While the min-DP port on the laptop is always
working (DP1).

I will attach updated dmesg_debug output and xrandr output shortly. Can someone
help debug this issue? I can provide any further debug info and test the
patches.

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