GNU/Linux Fedora 38 Install Radeon RX 6600/6600XT Driver Guide
How to Install AMD Radeon RX 6600/6600XT Graphics Driver on Fedora 38 GNU/Linux 64-bit desktop – Step by step Tutorial.
And the Radeon RX 6600/6600XT Fedora Driver Support is the AMDGPU Software.
Moreover, the AMDGPU Driver supports all AMD Radeon GPUs based on the Graphics Core Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures.

AMDGPU Fedora 38 Installation Guide