https://bugs.freedesktop.org/show_bug.cgi?id=107978
--- Comment #10 from Shmerl <[email protected]> ---
I just found something. My monitor - Dell U2413 has a setting for toggling
DisplayPort 1.2. It was enabled until now. When I disable that setting, tty
starts working!
My cable is supposed to support DP 1.2 and be Vesa compliant. It's Accel
UltraAV DP 1.2 cable.
I hope this can help narrow down the problem.
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