G9 OLED Can’t Get 120Hz

I have a G9 OLED (non-smart version) monitor, which can do 240hz, but I’m stuck at 60hz. Upgraded my GPU to do it, but it didn’t work. I have a Gigabyte 6800 XT, running on Ventura, OC 0.99. I tried DisplayPort, and get 5120x1440 with HDR, but 60hz. HDMI only gives me low resolution 5120x1440. Using the cables that came with the monitor, should be HDMI 2.1 and DP 1.4 compatible.

Did a trial of SwitchResX, but no luck. Tried to create a custom resolution but it says my trial expired (even though I just installed it). All other posts about this monitor and MacOS relate to a USB-C to HDMI, I am just going straight from DP to DP and HDMI to HDMI. Any suggestions?

submitted by /u/killacam7478
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