[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 #14 from Henry de Valence <hdevalence at hdevalence.ca> ---
After changing the DP-1 mode to the tile size, I get the DP-1 tile displaying
correctly, but the DP-2 tile has new and different corruption.

When I move a terminal window onto the DP-2 tile, it looks like the "solitare
effect" (http://www.geocities.ws/petessolitaireclan/solitaire5.JPG), where as I
move the window around, it's drawn on top of the previous location.  This seems
really weird since I'm not sure what could cause that kind of corruption.

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