Universal BlueUB
Universal Blue•15mo ago
ironham

Static & flashing display via Thunderbolt

My system is a high end HTPC:

  • MSI MEG z690i Unify motherboard with dGPU pass through of Thunderbolt
  • 96GB DDR5 RAM
  • i5 13th gen
  • AMD 7900 XTX
It sits on my desk, but I have it wired through the wall such that it feeds into my tv. At my desk, I primarily use macOS, and so I drive 2x Apple Studio monitors (among other stuff) via a single TB4 dock. In windows, this works fine, wherein AMD drivers recognize the monitors as 5K displays running in a tiled configuration. It works fine in the BIOS, and it also works fine on my Mac machines. When Bazzite boots, however, it immediately begins displaying issues: constant tv static flashing across the screen, artifacting, flashing — enough to give some a seizure. This only applies to 5K thunderbolt displays. It does not apply to the HDMI output. It seems to me this may be a driver issue. How would I go about diagnosing that?
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