wip: continue migration

hosds/nixos/x86_64-linux/pyramid/hardware-configuration.nix

@@ -0,0 +1,86 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+  imports =
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  # Fix Wlan after suspend or Hibernate
+  # environment.etc."systemd/system-sleep/fix-wifi.sh".source =
+  #   pkgs.writeShellScript "fix-wifi.sh" ''
+  #     case $1/$2 in
+  #       pre/*)
+  #         ${pkgs.kmod}/bin/modprobe -r mt7921e mt792x_lib mt76
+  #         echo 1 > /sys/bus/pci/devices/0000:04:00.0/remove
+  #         ;;
+
+  #       post/*)
+  #         ${pkgs.kmod}/bin/modprobe mt7921e
+  #         echo 1 > /sys/bus/pci/rescan
+  #         ;;
+  #     esac
+  #   '';
+
+  boot = {
+    # kernelPackages = lib.mkDefault pkgs.kernel.linuxPackages;
+    # kernelPackages = lib.mkDefault pkgs.kernel.linuxPackages_latest;
+    kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
+    # kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
+    binfmt.emulatedSystems = [ "aarch64-linux" ];
+    initrd = {
+      availableKernelModules = [
+        "nvme"
+        "xhci_pci"
+        "thunderbolt"
+        "usb_storage"
+        "cryptd"
+        "usbhid"
+        "sd_mod"
+        "r8152"
+        "drm"
+        "drm_kms_helper"
+        "ttm"
+        "gpu_sched"
+      ];
+      # allow to remote build on arm (needed for moonside)
+      kernelModules = [ "sg" ];
+      luks.devices."cryptroot" = {
+        # improve performance on ssds
+        bypassWorkqueues = true;
+        preLVM = true;
+        # crypttabExtraOpts = ["fido2-device=auto"];
+      };
+    };
+
+    kernelModules = [ "amdgpu" "kvm-amd" ];
+    kernelParams = [
+      # deep sleep is discontinued by amd
+      # "mem_sleep_default=deep"
+      # supposedly, this helps save power on laptops
+      # in reality (at least on this model), this just generate excessive heat on the CPUs
+      # "amd_pstate=passive"
+
+      # Fix screen flickering issue at the cost of battery life (disable PSR and PSR-SU, keep PR enabled)
+      # TODO: figure out if this is worth it
+      # test PSR/PR state with 'sudo grep '' /sys/kernel/debug/dri/0000*/eDP-2/*_capability'
+      # ref:
+      # https://old.reddit.com/r/framework/comments/1goh7hc/anyone_else_get_this_screen_flickering_issue/
+      # https://www.reddit.com/r/NixOS/comments/1hjruq1/graphics_corruption_on_kernel_6125_and_up/
+      # https://gitlab.freedesktop.org/drm/amd/-/issues/3797
+      "amdgpu.dcdebugmask=0x410"
+    ];
+
+    extraModulePackages = [ ];
+  };
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp196s0f3u1c2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}