streamlined dell-specific imports

Signed-off-by: Stefan Ellmauthaler <stefan.ellmauthaler@tu-dresden.de>

machine/stel-xps/common/cpu/intel/default.nix

@@ -1,15 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  boot.initrd.kernelModules = [ "i915" ];
-
-  hardware.cpu.intel.updateMicrocode =
-    lib.mkDefault config.hardware.enableRedistributableFirmware;
-  
-  hardware.opengl.extraPackages = with pkgs; [
-    vaapiIntel
-    vaapiVdpau
-    libvdpau-va-gl
-    intel-media-driver
-  ];
-}

machine/stel-xps/common/cpu/intel/kaby-lake/default.nix

@@ -1,8 +0,0 @@
-{
-  imports = [ ../. ];
-
-  boot.kernelParams = [
-    "i915.enable_fbc=1"
-    "i915.enable_psr=2"
-  ];
-}

machine/stel-xps/common/cpu/intel/sandy-bridge/default.nix

@@ -1,9 +0,0 @@
-{
-  imports = [ ../. ];
-
-  # Enables RC6, RC6p and RC6pp.
-  # Last two are only available on Sandy Bridge CPUs (circa 2011).
-  boot.kernelParams = [
-    "i915.enable_rc6=7"
-  ];
-}

machine/stel-xps/common/pc/default.nix

@@ -1,9 +0,0 @@
-{ config, lib, ... }:
-
-{
-  boot.blacklistedKernelModules = lib.optionals (!config.hardware.enableRedistributableFirmware) [
-    "ath3k"
-  ];
-
-  services.xserver.libinput.enable = lib.mkDefault true;
-}

machine/stel-xps/common/pc/laptop/acpi_call.nix

@@ -1,10 +0,0 @@
-# acpi_call makes tlp work for newer thinkpads
-
-{ config, ... }:
-
-{
-  boot = {
-    kernelModules = [ "acpi_call" ];
-    extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
-  };
-}

machine/stel-xps/common/pc/laptop/default.nix

@@ -1,11 +0,0 @@
-{ config, lib, ... }:
-
-{
-  imports = [ ../. ];
-
-  # Gnome 40 introduced a new way of managing power, without tlp.
-  # However, these 2 services clash when enabled simultaneously.
-  # https://github.com/NixOS/nixos-hardware/issues/260
-  services.tlp.enable = lib.mkDefault ((lib.versionOlder (lib.versions.majorMinor lib.version) "21.05")
-                                       || !config.services.power-profiles-daemon.enable);
-}

machine/stel-xps/common/pc/laptop/hdd/default.nix

@@ -1,8 +0,0 @@
-{ lib, ... }:
-
-{
-  imports = [ ../../hdd ];
-
-  # Hard disk protection if the laptop falls:
-  services.hdapsd.enable = lib.mkDefault true;
-}

machine/stel-xps/common/pc/laptop/ssd

@@ -1 +0,0 @@
-../ssd

machine/stel-xps/common/pc/ssd/default.nix

@@ -1,9 +0,0 @@
-{ lib, ... }:
-
-{
-  boot.kernel.sysctl = {
-    "vm.swappiness" = lib.mkDefault 1;
-  };
-
-  services.fstrim.enable = lib.mkDefault true;
-}

machine/stel-xps/dell-specific.nix

@@ -1,17 +0,0 @@
-{ lib, pkgs, ... }:
-
-{
-  imports = [
-    ./common/cpu/intel
-    ./common/pc/laptop
-    ./common/pc/laptop/ssd
-  ];
-
-  boot.kernelParams = [ "mem_sleep_default=deep" ];
-
-  # older version break wifi:
-  # - https://github.com/NixOS/nixos-hardware/issues/173
-  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.6") pkgs.linuxPackages_latest;
-
-  services.thermald.enable = true;
-}