bwa

config/modules/power-management/intel-gpu-management.nix

@@ -0,0 +1,46 @@
+{ den, modules, ... }:
+{
+  # Intel Mobile Gpu Management
+  modules.intel-mgm = {
+    nixos =
+      { pkgs, ... }:
+      let
+        batt-gpu = pkgs.writeShellScript "batt-igpu" ''
+              ${pkgs.intel-gpu-tools}/bin/intel_gpu_frequency -e
+          		echo "800" > /sys/class/drm/card1/gt_boost_freq_mhz
+        '';
+        ac-gpu = pkgs.writeShellScript "ac-igpu" ''
+              ${pkgs.intel-gpu-tools}/bin/intel_gpu_frequency -d
+          		echo "2350" > /sys/class/drm/card1/gt_boost_freq_mhz
+        '';
+      in
+      {
+        systemd.services.gpu-limit-on-batt = {
+          enable = true;
+          description = "Using rfkill; disable all rf devices before sleeping.";
+          before = [ "battery.target" ];
+
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${batt-gpu}";
+            RemainAfterExit = true;
+          };
+          wantedBy = [ "battery.target" ];
+          partOf = [ "battery.target" ];
+        };
+        systemd.services.gpu-limit-on-ac = {
+          enable = true;
+          description = "Using rfkill; disable all rf devices before sleeping.";
+          before = [ "ac.target" ];
+
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${ac-gpu}";
+            RemainAfterExit = true;
+          };
+          wantedBy = [ "ac.target" ];
+          partOf = [ "ac.target" ];
+        };
+      };
+  };
+}