Rx 5700 black screen Big Sur/Catalina

Rx 5700 black screen Big Sur/Catalina

Hope someone can help :)

have black screen with Rx 5700 in Catalina and Big Sur, it's super weird, Ventura works fine, for some reason graphics drivers do not load in Catalina and Big Sur,

boot-args -v keepsyms=1 -no_compat_check agdpmod=pikera

Serial port is disabled,

its super weird because on another hack with same hardware but different motherboard there are no such issues.. i really want to go back to older macOS

https://preview.redd.it/h3vamoci44md1.jpg?width=581&format=pjpg&auto=webp&s=b8f1948ca5a83e50b50f4af70b1e92ed0f2304a4

submitted by /u/Everybodies
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