Question

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How to make Ubuntu 22.04 work with a Radeon RX 7900 XTX?

rated 0 times [ 4] [ 0] / answers: 1 / hits: 3181 / 2 Years ago, sat, november 13, 2021, 1:47:39

I know that for such new hardware would be better to use a rolling release distro or at least the latest 22.10, but I was wondering if with some tinkering it is still possible to get the latest LTS to work.

As far as I know, to get a 7900 XTX to work on linux you need at least these:

Kernel 6.x+

LLVM 15+

Mesa 22.3+

latest linux-firmware for /lib/firmware/amdgpu/ (and rebuild initramfs)

Is it possible and, if yes, what would be the best way to achieve this on Ubuntu 22.04 LTS?

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restlerfin

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answered 2 Years ago variark · Accepted Answer

To get an AMD Radeon RX 7900 XT(X) to work with Ubuntu 22.04 LTS, you can follow these steps:

Install the latest OEM kernel available by running the command:

sudo apt install linux-oem-22.04c

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-20230117.tar.gz

tar -xf linux-firmware-20230117.tar.gz

sudo cp linux-firmware-20230117/amdgpu/* /lib/firmware/amdgpu/

sudo update-initramfs -uk 'all'

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

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

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

If you use Xorg instead of Wayland and have the issue where the mouse cursor is invisible, you can try to create the file /etc/X11/xorg.conf.d/99-modesetting.conf with the following content:

Section "Device"

      Identifier "modesetting"

      Driver "modesetting"

EndSection

This should make the latest LTS work with your hardware.