[Bug 74266] [HD 4400] DisplayPort resolution limited to 1920x1200

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74266

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
Annoyingly we don't print out the debug information about the link prior to
discarding the mode, but the issue here is that the bandwidth required to send
the full 2560x1440 is greater than the number of DP lanes connecting to the
dock (which one presumes was penny pinched to only support 1080p).

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