How to get 7900 XTX working?

[fraz0815]

To get it working you need mesa compiled against llvm15, see this thread

Temporary solution to get 7900 XT(X) to work

Since these new GPU’s only deliver drivers for Ubuntu und RHEL, there is some work to do. mesa-git has to be compiled against llvm-git. These steps worked fine for me: First, we need to compile llvm. This can be done by using your favorite AUR helper. Make sure we disable the check() function by passing on the makeflags, since tests will fail if not building in a clean chroot: yay --mflags "--nocheck" -S llvm-minimal-git lib32-llvm-minimal-git Optionally, if you are scared prompts for sud…