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====== Ubuntu - GPU - AMD GPU - Setup - Setup using the AMD Installer Script ======

The AMD Installer Script method automates the installation process for the AMDGPU stack.

  * The installer script handles the complete installation process, including setting up the repository, cleaning the system, updating, and installing the desired drivers and meta-packages.
  * This supports even the very latest navi 31 GPUs, such as the Radeon RX 7900 xtx.

----

===== Download the AMD Installer Script =====

<WRAP info>
**NOTE:**  Check the latest version number of the Installer Script by checking the .deb file link from https://www.amd.com/en/support/linux-drivers.
</WRAP>


<code bash>
sudo apt update
wget https://repo.radeon.com/amdgpu-install/22.40.5/ubuntu/jammy/amdgpu-install_5.4.50405-1_all.deb
</code>

<WRAP info>
**NOTE:**  The installer package is updated periodically to resolve known issues and add new features.

  * The links for each Linux distribution always point to the latest available build.

</WRAP>

----

===== Uninstall the previous AMDGPU Stack (optional) =====

[[Ubuntu:GPU:AMD GPU:Setup:Uninstall the AMDGPU stack|Uninstall the AMDGPU stack]].

<WRAP info>
**NOTE:** This is recommended.
</WRAP>

----

===== Install the AMD Installer Script =====

<code bash>
sudo apt install ./amdgpu-install_5.4.50405-1_all.deb
</code>

<WRAP info>
**NOTE:**  Check the latest version number of the Installer Script by checking the .deb file link from https://www.amd.com/en/support/linux-drivers.
</WRAP>

----

===== Install the AMDGPU Stack =====

<code bash>
amdgpu-install --usecase=graphics,opencl --vulkan=amdvlk --opencl=rocr --no-dkms
</code>

<WRAP info>
**NOTE:**  This chooses to install various optional elements, such as opencl with rocr and vulkan.

  * See: https://amdgpu-install.readthedocs.io/en/latest/index.html

  * The **pro** option, used with **vulkan** requires AMD EULA to be accepted. 
    * If this is not wanted, then remove this **pro** choice, which will use the Community version.
    * <code bash>amdgpu-install --usecase=graphics,opencl --vulkan=amdvlk,pro --opencl=rocr</code>

  * Various options can be selected.
    * See [[Ubuntu:GPU:AMD GPU:Setup:Setup using the AMD Installer Script:Install options|Install options]].
    * See [[Ubuntu:GPU:AMD GPU:Setup:Setup using the AMD Installer Script:Use case options|Use case options]].

  * **--no-dkms**:  To turn of dkms, as this sometimes causes problems.  Optionally keep dkms by removing this option.

</WRAP>

----

===== Enable the AMD Kernel Module =====

Ensure there is no modprobe blacklist for amdgpu.

<code bash>
sudo rm /etc/modprobe.d/blacklist-amdgpu.conf
</code>

----

===== Configure Group Access =====

Add the user to the **video** group

<code bash>
usermod -a -G video username
</code>

Add the user to the **render** group

<code bash>
usermod -a -G render username
</code>

<WRAP info>
**NOTE:**  This is an alternative method to configure group access:

<code bash>
sudo usermod -a -G render,video $LOGNAME
</code>

</WRAP>

----

===== Optionally, install fresh firmware files =====

Grab the latest firmware from https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git.

Drop these firmware files into **/lib/firmware/amdgpu/** and rebuild any initramfs:

<code bash>
wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-20230515.tar.gz
tar -xf linux-firmware-20230515.tar.gz
sudo cp linux-firmware-20230515/amdgpu/* /lib/firmware/amdgpu/
sudo update-initramfs -uk 'all'
</code>

<WRAP info>
**NOTE:**  The latest firmware files should probably provide support for newer GPUs.
</WRAP>

----

===== Check that the GPU is being picked up =====

<code bash>
sudo apt update
sudo apt install mesa-utils
glxinfo | grep OpenGL
</code>

returns:

<code bash>
OpenGL vendor string: AMD
OpenGL renderer string: Radeon RX 7900 XTX (gfx1100, LLVM 15.0.3, DRM 3.48, 5.19.0-43-generic)
OpenGL core profile version string: 4.6 (Core Profile) Mesa 22.3.0-devel
OpenGL core profile shading language version string: 4.60
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.6 (Compatibility Profile) Mesa 22.3.0-devel
OpenGL shading language version string: 4.60
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 22.3.0-devel
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:
</code>

<WRAP info>
**NOTE:** This should show useful info on the GPU.

  * Mesa is the open source implementations of OpenGL and Vulkan that AMD GPU users typically use. 

</WRAP>

----

===== Test the GPU =====

<code bash>
glxgears -info
</code>

<WRAP info>
**NOTE:** This should show some gears spinning around, together with frames per second.
</WRAP>

----

===== Optionally, Purge nvidia drivers =====

Remove the Nvidia packages and any Nvidia related kernel arguments you might have (DRM Kernel Mode Setting or whatever).

<code bash>
sudo dpkg -P $(dpkg -l | grep nvidia-driver | awk '{print $2}')
</code>

<WRAP info>
**NOTE:**  The Nvidia drivers will not load if there is no Nvidia card installed.

  * Leaving the NVIDIA stack installed ensures that it is ready if you ever need to switch to a backup GPU in a hurry.

</WRAP>

----

===== Optionally, setup environment variables for hardware acceleration =====

<code bash>
# For VDPAU
export VDPAU_DRIVER=radeonsi

# For VA-API
export LIBVA_DRIVER_NAME=radeonsi

# For GPU Vulkan Support, if the non-pro driver is used.
export VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/radeon_icd.x86_64.json:/usr/share/vulkan/icd.d/radeon_icd.i686.json

# For GPU Vulkan Support, if the pro driver is used.
export VK_ICD_FILENAMES=/opt/amdgpu-pro/etc/vulkan/icd.d/amd_icd64.json
</code>

<WRAP info>
**NOTE:** These are only needed if these processes do not function correctly.

  * To allow these to be there permanently, upon boot, place into **~/.bashrc** or **~/.profile**.

</WRAP>

----

===== Optionally, Xorg configuration =====

If using Xorg.

Xorg will automatically load the driver and it will use the monitors EDID to set the native resolution.

  * Configuration is only required for tuning the driver.
  * If you want manual configuration, create **/etc/X11/xorg.conf.d/20-amdgpu.conf**, and add the following:

<file bash /etc/X11/xorg.conf.d/20-amdgpu.conf>
Section "OutputClass"
     Identifier "AMD"
     MatchDriver "amdgpu"
     Driver "amdgpu"
EndSection
</file>

----

===== References =====

https://repo.radeon.com/amdgpu-install/

https://www.amd.com/en/support/linux-drivers

https://amdgpu-install.readthedocs.io/en/latest/

https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git

https://rocm.docs.amd.com/en/latest/index.html

https://wiki.archlinux.org/title/AMDGPU