From: [[https://askubuntu.com/questions/1451506/how-to-make-ubuntu-22-04-work-with-a-radeon-rx-7900-xtx/1451852#1451852|https://askubuntu.com/questions/1451506/how-to-make-ubuntu-22-04-work-with-a-radeon-rx-7900-xtx/1451852#1451852]]



1. Install the latest OEM kernel available by running the command:

    sudo apt install linux-oem-22.04c

2. Download and install the latest kernel firmware from here by running these commands:

    wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-20230919.tar.gz
    tar -xf linux-firmware-20230919.tar.gz
    sudo cp linux-firmware-20230919/amdgpu/* /lib/firmware/amdgpu/
    sudo update-initramfs -uk 'all'

3. Install the kisak-mesa PPT by running these commands (this PPA will take care of providing the latest stable mesa and llvm15):

    sudo add-apt-repository ppa:kisak/kisak-mesa
    sudo apt upgrade

4. Ensure there is no modprobe blacklist for amdgpu by running the command:

    sudo rm /etc/modprobe.d/blacklist-amdgpu.conf