config/hardware/rocm.nix

{ pkgs, ... }:
{
  # assumes common-gpu-amd from nixos-hardware is also added
  # TODO: should we move it from flake.nix to here?

  # https://libreddit.noximilien.pbsds.net/r/archlinux/comments/nih9c9/amdgpu_vs_modesetting_in_current_510_kernels_xorg/

  nixpkgs.config.rocmSupport = true;

  hardware.opengl.enable = true;
  services.xserver.videoDrivers = [ "amdgpu" ]; # use gpu, adaptive sync and and hardware page flipping
  #services.xserver.videoDrivers = [ "modesetting" ]; # integrated (non-accelerated) framebuffer, KMS

  systemd.tmpfiles.rules = [
    "L+    /opt/rocm/hip   -    -    -     -    ${pkgs.hip}"
  ];
  environment.systemPackages = with pkgs; [
    nvtop
  ];
}