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AMD Submits HDMI 2.1 FRL Support For Linux Kernel 7.2
(www.phoronix.com)
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this post was submitted on 04 Jun 2026
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Linux Gaming
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4K 60hz is about 18GB/s and it's being sent down a 1GB/s pipe typically when streamed. You're not getting all the data. It's really compressed to fit and the color space is usually set to 4:2:0 to again save bandwidth.
But you said 120hz
so that would need twice the bandwidth of 60hz, meaning even more compression.
4K 60hz is about 18GB/s and it's being sent down a 1GB/s pipe typically when streamed. You're not getting all the data. It's really compressed to fit and the color space is usually set to 4:2:0 to again save bandwidth.