Linux Gaming

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AMD & HDMI 2.1 (feddit.nl)

submitted 4 days ago by [email protected] to c/[email protected]

10 comments fedilink hide all child comments

So, I bought an RX 7600 XT, when I was still using my 10 year old TV. Recently upgraded to an LG C4, reading the news about AMD support for HDMI 2.1 on Linux, I also went looking for a DP->HDMI adapter and found one that claims to even support VRR. After a week of getting random audio cuts, suspecting the adapter was at fault, I went pure HDMI...

To my surprise, I could run at 4K 120hz with VRR and HDR. Doesn't that require HDMI 2.1?

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[–] [email protected] 1 points 4 days ago (8 children)

Thanks for the tip. It says YCbCr420. Anything I can do to improve that?

[–] [email protected] 12 points 4 days ago (7 children)

Nope, you're running into the dreaded AMD HDMI 2.1 limitation. The situation just sucks.

[–] [email protected] 3 points 4 days ago (6 children)

I would kindly ask the HDMI forum to point me in the direction of a DP to HDMI adapter that supports VRR or FreeSync. They seem so motivated to gain more funds from royalties, surely they know how to persuade me.

[–] [email protected] 4 points 4 days ago (1 children)

The real question is though... if you haven't noticed the TV using YCbCr420 until it was pointed out to you, why would you spend more time looking into it?

[–] [email protected] 1 points 3 days ago

In retrospect, I have noticed. Thought it was badly compressed content.

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