this post was submitted on 13 Nov 2024
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Linux Gaming

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AMD & HDMI 2.1 (feddit.nl)
submitted 1 day ago by take6056@feddit.nl to c/linux_gaming@lemmy.world
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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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[–] take6056@feddit.nl 1 points 1 day ago (8 children)

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

[–] Sproutling@lemmy.ml 12 points 1 day ago (7 children)

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

[–] take6056@feddit.nl 3 points 1 day 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.

[–] vividspecter@lemm.ee 2 points 1 day ago (1 children)

DP to HDMI adapter that supports VRR or FreeSync.

Here you go: https://www.amazon.com/Cable-Matters-102101-BLK-Computer-Adapter/dp/B08XFSLWQF

It's slightly quirky, but it does work. Although I don't use HDMI audio so maybe you're already using the same adapter.

[–] take6056@feddit.nl 1 points 1 day ago (1 children)

It's not the adapter I bought, but also seems VRR is lacking:

"VRR/G-Sync/FreeSync are not supported."

Have you experienced otherwise?

[–] vividspecter@lemm.ee 1 points 19 hours ago

It works, but it only works on Linux so they don't advertise it. You may need to update the firmware to get the best experience too.

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