[Bug 105198] LG 5K Ultrafine display (tiled DP) is not detected correctly
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Mar 4 19:30:00 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=105198
--- Comment #16 from Tomas Bzatek <bugs at bzatek.net> ---
Created attachment 137782
--> https://bugs.freedesktop.org/attachment.cgi?id=137782&action=edit
DELL_UP2715_dmesg_xrandr
Sorry for predating this bugreport, I'm dealing with related issues on my 5k
Dell UP2715K that is quite similar internally (two tiles 2560x2880, dual DP,
SST). Except of that it's connected via two DP cables.
With this patch the tile properties are exposed properly in xrandr:
> DP1 connected 2560x2880+2560+0 (0x16a) normal (normal left inverted right x axis y axis) 600mm x 340mm
> TILE: 1 1 2 1 1 0 2560 2880
> DP2 connected primary 2560x2880+0+0 (0x16a) normal (normal left inverted right x axis y axis) 600mm x 340mm
> TILE: 1 1 2 1 0 0 2560 2880
but that's the only difference. The image is still broken in pieces as before
(see bug 97244 for the picture).
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