config/hardware/gpu/rocm.nix

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{ pkgs, lib, options, ... }: lib.mkMerge [
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{
# assumes common-gpu-amd from nixos-hardware is also added
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# TODO: should we move it from flake.nix to here?
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# https://github.com/NixOS/nixos-hardware/blob/master/common/gpu/amd/default.nix
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hardware.opengl.enable = true;
hardware.opengl.driSupport = true;
hardware.opengl.driSupport32Bit = true;
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nixpkgs.config.openglSupport = true; # why is this not set by hardware.opengl.enable ?
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nixpkgs.config.rocmSupport = true;
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nixpkgs.config.vdpauSupport = true;
nixpkgs.config.vaapiSupport = true;
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}
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(lib.mkIf (lib.versionAtLeast (lib.versions.majorMinor lib.version) "24.05") {
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hardware.amdgpu.opencl.enable = lib.mkDefault true;
#hardware.amdgpu.amdvlk.enable = lib.mkDefault true;
#hardware.amdgpu.amdvlk.support32Bit.enable = lib.mkDefault true;
})
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#(lib.mkIf (lib.versionOlder (lib.versions.majorMinor lib.version) "24.05") {
# # nixos-hardware common-amd options
# # https://github.com/NixOS/nixos-hardware/blob/master/common/gpu/amd/default.nix
# hardware.amdgpu.opencl = lib.mkDefault true;
# #hardware.amdgpu.amdvlk = lib.mkDefault true;
#})
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{
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# https://libreddit.noximilien.pbsds.net/r/archlinux/comments/nih9c9/amdgpu_vs_modesetting_in_current_510_kernels_xorg/
services.xserver.videoDrivers = [ "amdgpu" ]; # use gpu, adaptive sync and and hardware page flipping
#services.xserver.videoDrivers = [ "modesetting" ]; # integrated (non-accelerated) framebuffer, KMS (default in nixos-hardware)
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# https://wiki.nixos.org/wiki/AMD_GPU#HIP
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systemd.tmpfiles.rules = let
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rocmEnv = pkgs.symlinkJoin {
name = "rocm-combined";
paths = with pkgs.rocmPackages; [
rocblas
hipblas
clr
];
};
in [ "L+ /opt/rocm - - - - ${rocmEnv}" ];
nixpkgs.overlays = [
(prev: final: {
blender = prev.blender-hip;
})
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];
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# enable opencl on polaris, (rx580)
environment.variables.ROC_ENABLE_PRE_VEGA = "1";
environment.systemPackages = [
(pkgs.nvtopPackages.amd or pkgs.nvtop-amd)
pkgs.lact
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];
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# lact - amdgpu GUI tool
systemd.packages = [ pkgs.lact ];
systemd.services.lactd.enable = true;
systemd.services.lactd.wantedBy = [ "multi-user.target" ]; # add this if you want the unit to auto start at boot time
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}
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]