From cbe1deee5b608c4ac58fd5d200f0a09ec0259adc Mon Sep 17 00:00:00 2001
From: teutat3s <teutates@mailbox.org>
Date: Wed, 31 May 2023 21:00:13 +0200
Subject: [PATCH] dumpyourvms: fixes for amd power save and resume

and cups mDNS with systemd-resolved
---
 hosts/dumpyourvms/dumpyourvms.nix | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/hosts/dumpyourvms/dumpyourvms.nix b/hosts/dumpyourvms/dumpyourvms.nix
index 0af3b04f..aac82bf7 100644
--- a/hosts/dumpyourvms/dumpyourvms.nix
+++ b/hosts/dumpyourvms/dumpyourvms.nix
@@ -73,7 +73,6 @@ in {
         Domains=~.
         DNSOverTLS=yes
         DNSSEC=false
-        MulticastDNS=no
       '';
     };
     networking = import ./networking.nix;
@@ -88,14 +87,14 @@ in {
       path = [pkgs.bash];
       description = "Power Off dedicated AMD Card to reduce power usage";
       requires = ["sys-kernel-debug.mount"];
-      enable = false;
+      enable = true;
       serviceConfig = {
         Type = "oneshot";
         RemainAfterExit = true;
-        ExecStart = "${pkgs.bash}/bin/sh -c 'echo -e \"IGD\\nOFF\" > /sys/kernel/debug/vgaswitcheroo/switch'";
+        ExecStart = "${pkgs.bash}/bin/sh -c 'sleep 7 && echo -e \"IGD\\nOFF\" > /sys/kernel/debug/vgaswitcheroo/switch'";
         ExecStop = "${pkgs.bash}/bin/sh -c 'echo ON >/sys/kernel/debug/vgaswitcheroo/switch'";
       };
-      wantedBy = ["graphical.target"];
+      wantedBy = ["multi-user.target"];
     };
 
     # Increase console font size for HiDPI display
@@ -133,9 +132,12 @@ in {
           ${pkgs.systemd}/bin/systemctl stop amd-hybrid-graphics-power-save.service
         ''
       );
-      resumeCommands = ''
-        ${pkgs.systemd}/bin/systemctl start amd-hybrid-graphics-power-save.service
-      '';
+      resumeCommands =
+        if config.systemd.services."amd-hybrid-graphics-power-save".enable == true
+        then ''
+          ${pkgs.systemd}/bin/systemctl start amd-hybrid-graphics-power-save.service
+        ''
+        else "";
     };
 
     # Change lid switch behaviour