nixos-config/common/hardware/amd-gpu.nix

{pkgs, ...}: {
  boot = {
    initrd.kernelModules = ["amdgpu"];

    # params for Sea Islands or smth
    kernelParams = ["radeon.cik_support=0" "amdgpu.cik_support=1"];
  };

  hardware.opengl = {
    enable = true;

    ## radv: an open-source Vulkan driver from freedesktop
    driSupport = true;
    driSupport32Bit = true;

    ## amdvlk: an open-source Vulkan driver from AMD
    extraPackages = [pkgs.amdvlk];
    extraPackages32 = [pkgs.driversi686Linux.amdvlk];
  };

  services.xserver.videoDrivers = ["amdgpu"];
}