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-rw-r--r--modules/nixos-hardware/common/cpu/amd/default.nix6
-rw-r--r--modules/nixos-hardware/common/cpu/intel/default.nix15
-rw-r--r--modules/nixos-hardware/common/cpu/intel/kaby-lake/default.nix8
-rw-r--r--modules/nixos-hardware/common/cpu/intel/sandy-bridge/default.nix9
4 files changed, 38 insertions, 0 deletions
diff --git a/modules/nixos-hardware/common/cpu/amd/default.nix b/modules/nixos-hardware/common/cpu/amd/default.nix
new file mode 100644
index 000000000000..d8c48a263081
--- /dev/null
+++ b/modules/nixos-hardware/common/cpu/amd/default.nix
@@ -0,0 +1,6 @@
+{ config, lib, ... }:
+
+{
+  hardware.cpu.amd.updateMicrocode =
+    lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/modules/nixos-hardware/common/cpu/intel/default.nix b/modules/nixos-hardware/common/cpu/intel/default.nix
new file mode 100644
index 000000000000..ad945f394a6c
--- /dev/null
+++ b/modules/nixos-hardware/common/cpu/intel/default.nix
@@ -0,0 +1,15 @@
+{ 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
+  ];
+}
diff --git a/modules/nixos-hardware/common/cpu/intel/kaby-lake/default.nix b/modules/nixos-hardware/common/cpu/intel/kaby-lake/default.nix
new file mode 100644
index 000000000000..e6a2d1ce8e6e
--- /dev/null
+++ b/modules/nixos-hardware/common/cpu/intel/kaby-lake/default.nix
@@ -0,0 +1,8 @@
+{
+  imports = [ ../. ];
+
+  boot.kernelParams = [
+    "i915.enable_fbc=1"
+    "i915.enable_psr=2"
+  ];
+}
diff --git a/modules/nixos-hardware/common/cpu/intel/sandy-bridge/default.nix b/modules/nixos-hardware/common/cpu/intel/sandy-bridge/default.nix
new file mode 100644
index 000000000000..682815cee473
--- /dev/null
+++ b/modules/nixos-hardware/common/cpu/intel/sandy-bridge/default.nix
@@ -0,0 +1,9 @@
+{
+  imports = [ ../. ];
+
+  # Enables RC6, RC6p and RC6pp.
+  # Last two are only available on Sandy Bridge CPUs (circa 2011).
+  boot.kernelParams = [
+    "i915.enable_rc6=7"
+  ];
+}