If you have previously used the non-free NVIDIA proprietary driver, then you need to uninstall it if you wish to now use the accelerated AMD driver. Otherwise, if you're logged in as root, omit it entirely. On systems where it's configured, you may replace it with sudo.
In the following instructions, # indicates the command must be run as root. You can view instructions for using the newer driver here If your card is supported by both AMDGPU and Radeon (such as the GCN 1.0/1.1 series), it will default to radeon. Your system will automatically select which one to use on boot. It installs the Xorg video driver metapackage which includes all drivers. The following procedure will install the open-source display driver packages, DRI modules (for 3D acceleration), and driver firmware/microcode. Some GPUs may require firmware to function properly at all. Without this package installed, poor 2D/3D performance is commonly experienced. The installation instructions below this section will document adding this component and installing the necessary firmware. The firmware can be obtained by installing the firmware-amd-graphics package, as long as the non-free component is enabled in your SourcesList file. Proprietary, binary-only firmware (also known as microcode) is not allowed in the main Debian repository as per the Debian Free Software Guidelines. The older Radeon driver does not support Vulkan or the ACO compiler and is often slower, but it is much more stable and is used by default. Since the AMDGPU driver overlaps with the older Radeon driver for supporting GCN 1.0/1.1 GPUs, either driver can be used. The ATI driver package will autodetect whether your hardware has a Radeon, Rage 128, or Mach64 and earlier chip and load the radeon, r128, or mach64 video driver as appropriate. Support for GCN 1.1 and older chips is also provided by the xserver-xorg-video-ati driver wrapper package, which depends on three hardware-specific driver packages:
GCN 1.0 and GCN 1.1 cards (Manufactured January 2012 to June 2015) are supported experimentally and require extra kernel parameters to be set, as documented in the experimental section. This generation consists of most chips released after June 2015. This will officially cover any cards that are part of GCN 1.2 ("GCN 3rd generation") or newer. Support for newer AMD graphics hardware is provided by the xserver-xorg-video-amdgpu package. See HowToIdentifyADevice/PCI for more information. For example:Ġ1:00.0 VGA compatible controller : Advanced Micro Devices, Inc. The AMD/ATI graphics processing unit (GPU) series/codename of an installed video card can usually be identified using the lspci command.
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