[Bug 105198] LG 5K Ultrafine display (tiled DP) is not detected correctly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105198

--- Comment #22 from Charles Yoon <jaeyeun97 at gmail.com> ---
Hi,
I just got myself a Ultrafine 5K and I am trying to work out how to use it with
my XPS 13 9360. I am having the same issue as above (the top of the second half
of the screen show up in the middle of the screen).

It shows up as two separate displays (DP1 and DP2) on my laptop--I could use
DP1 to get resolution up to 4096x2032 and DP2 reported one resolution of
2560x2880. I added the 2560x2880 mode to DP1 and `xrandr --setmonitor ...` in
order to create the monitor. My i3status bar spanned across the display so I
believe the configuration on i3's part is not the problem.

I still have a shift in the middle of the display, where the i3bar shows up in
the middle of the screen. I had patched kernel 4.18.5 with the patch above, and
it shows the TILE property but not on the first display.

I am out of methods to try--seems like people here had the same problem, did
anyone manage to get this fixed?

Charles

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