GNU/Linux Debian Bullseye Install Radeon RX 6400 Driver Guide
How to Install AMD Radeon RX 6400 Graphics Driver on Debian Bullseye 11 GNU/Linux 64-bit desktop – Step by step Tutorial.
And the Radeon RX 6400 Linux Debian 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.
Finally, this Setup is valid for all the Debian-based Distros like:
- Kali
- MX Linux
- Deepin
- Parrot
- antiX
- SparkyLinux
- Q4OS
- Netrunner
- Voyager
- MakuluLinux
- Elive
- LMDE
- Devuan

AMDGPU Debian Bullseye Installation Guide