cm0002@suppo.fi to Linux Gaming@lemmy.worldEnglish · 2 days agoAMD Submits HDMI 2.1 FRL Support For Linux Kernel 7.2www.phoronix.comexternal-linkmessage-square25fedilinkarrow-up1175arrow-down10
arrow-up1175arrow-down1external-linkAMD Submits HDMI 2.1 FRL Support For Linux Kernel 7.2www.phoronix.comcm0002@suppo.fi to Linux Gaming@lemmy.worldEnglish · 2 days agomessage-square25fedilink
minus-squareDefault Username@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up8·2 days ago4K 60Hz HDR is still limited to 8 bit color, which is unsuitable for HDR. You’d have to go down to 30Hz to get 10 bit color on HDMI 2.0. Meanwhile with this patch, I can do 4K 120Hz with 12 bit color.
minus-squarekbobabob@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up2·2 days agoIt’s only limited to 8 bit in 4:4:4 color space. It can do 10 bit 4K 60hz in 4:2:0 color space, which most things are streamed at because it is such a bandwidth saver.
4K 60Hz HDR is still limited to 8 bit color, which is unsuitable for HDR. You’d have to go down to 30Hz to get 10 bit color on HDMI 2.0.
Meanwhile with this patch, I can do 4K 120Hz with 12 bit color.
It’s only limited to 8 bit in 4:4:4 color space. It can do 10 bit 4K 60hz in 4:2:0 color space, which most things are streamed at because it is such a bandwidth saver.