![](https://na.cx/i/0YxdqFj.jpg)
幫你試埋
左: 4k直出,有120Hz 10bit HDR
中: 降一級UI resolution,OS buffer 6720x3780,被逼出8bit SDR
右: 降多三級UI res,去到OS buffer 4608x2592先俾開番HDR
我係無裝任何3rd party display hack,無改EDID,直接用M3 Max MBP 16"個HDMI2.1 port出俾LG CX
呢度我唔肯定CX個bandwidth限制有無影響(佢受唔足48Gbps)
但都幾明顯起碼部Mac / macOS係因為個HiDPI前題下,要render個buffer res太大,而唔夠bandwidth所以要焗你放棄HDR或fps
(我上面無cap,如果將fps由120轉去60,HDR粒掣係會出番嚟)