Laggy and choppy video and window movement when in dock mode

[Kamil Choromański]

OS info: Linux-4.8.0-36-generic-x86_64-with-Ubuntu-16.04-xenial
CPU info: Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz Cache: 3072 KB Cores: 2

Steps:
1. Install Ubuntu 16.04.2 x64.
2. Connect UDL (DL195) device with monitor attached to machine.
3. Close lid of machine. (OS will now switch to dock mode)
4. Move application window around NIVO screen.

Issue:
Video is very choppy and window movement is delayed by few second. OS responsiveness is as well very low.
Mouse cursor is working fine.

Expected:
Windows movement is smooth.

Reproducibility:
100%

Regression:
Issue is not reproducible with Ubuntu 16.04.1 x64.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1666845/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]