feat: amd stuff

flake.nix

@@ -30,13 +30,9 @@
             allowUnfree = true;
             allowUnsupportedSystem = true;
             experimental-features = "nix-command flakes";
-            substituters = [
-              "https://hyprland.cachix.org"
-              "https://cuda-maintainers.cachix.org"
-            ];
+            substituters = [ "https://hyprland.cachix.org" ];
             trusted-public-keys = [
               "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
-              "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
             ];
           };
           overlays = [

hosts/MONSTER/default.nix

@@ -31,7 +31,7 @@
   locale.preset.theaninova.enable = true;
 
   hardware = {
-    nvidia.preset.proprietary.enable = true;
+    amdgpu.preset.default.enable = true;
     audio.preset.pipewire.enable = true;
     cc1.enable = true;
     fv43u.enable = true;

hosts/MONSTER/hardware-configuration.nix

@@ -1,11 +1,13 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }: {
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
   boot.initrd.availableKernelModules =
-    [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+    [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];

modules/home-manager/desktops/hyprland/default.nix

@@ -90,7 +90,6 @@
             brightness = 0.8;
           };
         };
-        opengl.nvidia_anti_flicker = true;
         animations = {
           enabled = "yes";
           bezier = "myBezier, 0.05, 0.9, 0.1, 1.05";
@@ -236,15 +235,6 @@
       platformTheme = "qtct";
     };
 
-    programs.fish.loginShellInit =
-      # fish
-      ''
-        Hyprland && echo "goodbye" && exit 0 \
-        || echo "$status couldn't launch Hyprland" && tty | grep tty1 \
-        && echo "refusing to autologin without Hyprland on tty1" && exit 0 \
-        || echo "not on tty1, letting in"
-      '';
-
     home = {
       pointerCursor = {
         gtk.enable = true;

modules/home-manager/packages/default.nix

@@ -42,7 +42,7 @@
     pinta
     kdePackages.kdenlive
     # friture TODO: broken
-    blender
+    blender-hip
     openscad-unstable
 
     # development

modules/nixos/boot/quiet.nix

@@ -9,28 +9,16 @@ in {
 
   config = mkIf cfg.enable {
     boot = {
-      loader = {
-        timeout = 0;
-        systemd-boot.consoleMode = "max";
-      };
+      loader.timeout = 0;
 
-      plymouth = {
-        enable = true;
-        theme = "text";
-      };
+      plymouth.enable = true;
 
       kernelParams = [
-        # Redirect all kernel messages to a console off screen
-        "fbcon=vc:2-6"
-        "console=tty1"
-
-        "splash"
         "quiet"
 
         "rd.udev.log_level=3"
         "rd.systemd.show_status=false"
         "udev.log_priority=3"
-        "boot.shell_on_fail"
         "vt.global_cursor_default=0" # no cursor blinking
       ];
       consoleLogLevel = 0;

modules/nixos/default.nix

@@ -12,6 +12,7 @@
     ./hardware/gbmonctl.nix
     ./hardware/nvidia-proprietary.nix
     ./hardware/nvidia-nouveau.nix
+    ./hardware/amdgpu.nix
     ./hardware/cc1.nix
     ./hardware/fv43u.nix
     ./hardware/virtual-camera.nix

modules/nixos/desktops/hyprland.nix

@@ -17,9 +17,16 @@ in {
     };
 
     services = {
-      getty.autologinUser = "${username}";
-      getty.extraArgs = [ "--noclear" "--noissue" "--nonewline" ];
-      getty.loginOptions = "-p -f -- \\u"; # preserve environment
+      greetd = {
+        enable = true;
+        settings = rec {
+          initial_session = {
+            command = "${pkgs.hyprland}/bin/Hyprland &> /dev/null";
+            user = username;
+          };
+          default_session = initial_session;
+        };
+      };
 
       dbus.enable = true;
 
@@ -39,27 +46,5 @@ in {
     };
 
     environment.sessionVariables.NIXOS_OZONE_WL = "1";
-
-    /* systemd.services = {
-         plymouth-quit-hyprland = mkIf config.boot.quiet.enable {
-           description = "Pause plymouth animation";
-           conflicts = [ "plymouth-quit.service" ];
-           after = [
-             "plymouth-quit.service"
-             "rc-local.service"
-             "plymouth-start.service"
-             "systemd-user-sessions.service"
-           ];
-           serviceConfig = {
-             Type = "oneshot";
-             ExecStartPre = "${pkgs.plymouth}/bin/plymouth deactivate";
-             ExecStartPost = [
-               "${pkgs.coreutils}/bin/sleep 30"
-               "${pkgs.plymouth}/bin/plymouth quit --retain-splash"
-             ];
-           };
-         };
-       };
-    */
   };
 }

modules/nixos/hardware/amdgpu.nix

@@ -0,0 +1,32 @@
+{ pkgs, lib, config, ... }:
+with lib;
+
+let cfg = config.hardware.amdgpu.preset.default;
+
+in {
+  options.hardware.amdgpu.preset.default = {
+    enable =
+      mkEnableOption "Enable ADM GPU driver support with some sane defaults";
+  };
+
+  config = mkIf cfg.enable {
+    hardware.opengl = {
+      enable = true;
+      driSupport = true;
+      extraPackages = with pkgs; [ rocmPackages.clr.icd ];
+    };
+
+    boot = {
+      # https://docs.kernel.org/gpu/amdgpu/module-parameters.html
+      kernelParams = [ "amdgpu.seamless=1" "amdgpu.freesync_video=1" ];
+      initrd.kernelModules = [ "amdgpu" ];
+    };
+
+    environment.systemPackages = with pkgs; [
+      amdgpu_top
+      glxinfo
+      libva-utils
+      vulkan-tools
+    ];
+  };
+}