Ubuntu – New XPS 13 9380 with ubuntu 18.04 flicker problems

4k-monitordelldisplayflickerxps

I just received my new xps 13 9380 with a 4k display and with ubuntu pre-installed and since I started it that I am getting flickring problems.

Videos here:

https://photos.app.goo.gl/1PkL2HrjMBP41aML9

https://photos.app.goo.gl/CMzmMwrCPH5wh8aw6

Could this be a ubuntu configuration problem or should I report a faulty display to Dell?

After checking the BIOS (version 1.2.1 – latest) it might be an ubuntu config issue since there's no flickering so hardware is fine.