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bitanarch | 1 month ago

Ok. I've been using DisplayPort 1.4a with my 4090 at the moment. Maybe I'll try HDMI 2.1 and see what happens.

I'm actually surprised that YouTube HDR works on your side - perhaps it's tied to the ABGR2101010 output mode being available.

discuss

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bitanarch|1 month ago

No luck for me with HDMI 2.1 - still seeing XRGB8888 on my monitors after HDR enabled.

That's still pretty crappy. Monitors do not say whether they support BGR input signals or not as opposed to RGB.

EnPissant|1 month ago

Was it an 8k cable? Are you on wayland?