Your EFI is full of unnecessary stuff:
ACPI: You only need SSDT-EC-USBX and SSDT-PLUG_RYZEN
Kexts: You don't need AppleMCEReporterDisabler, SMCLightSensor, SMCProcessor, SMCSuperIO, USBInjectAll, VoodooPS2Controller
I'd consider that a downgrade but anyway, do you experience this only on macOS or other OS too?
First I'd check the BIOS settings and maybe set the memory speed to SPD (disable XMP) and see if that resolves the issue.
If its the Liquid Cooled Strix it has the unsupported Navi 21 XTXH variant. You can try spoofing the device ID. If that does not work you would need to flash the card with a Navi 21 XTX BIOS.
I might have made a mistake merging my config to github.
Replace the Kernel patches with the latest from https://github.com/AMD-OSX/AMD_Vanilla and replace the core count as described in the README
@wilianb I only keep the non-standard stuff in my Github repo. You can just download the latest version of OC and kexts, then take what you need from my repo for the X570-I.
I'm also using the X570-I and have my EFI posted here: https://forum.amd-osx.com/index.php?threads/ryzen-9-3950x-asus-rog-strix-x570-i-amd-radeon-rx-6900-xt.1422/
@Jerry Han Looks like you're still using the old kernel patches, you should update to the new ones and follow the README here: https://github.com/AMD-OSX/AMD_Vanilla
You need to update the USB kext since the SMBIOS is noted in the info.plist.
Apple seems to favour DisplayPort over HDMI, depending on your Display you may be limited by HDMI in resolution/refresh rate.
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