amd

amdgpu installer can be get from https://www.amd.com/en/support/linux-drivers

Expand "RHEL x86 64-Bit" and download Radeon™ Software for Linux® version xx.yy.z for RHEL 9.x.
You will get a rpm file: amdgpu-install-xxxyyyzzz.el9.noarch.rpm.

amdgpu installer can be get from https://www.amd.com/en/support. Just select your right card.

Download Radeon™ Software for Linux® installer version ... for RHEL/CentOS 9.0.
You will get a rpm file: amdgpu-install-....el9.noarch.rpm.