Fixed tasks order (GPU cannot be disabled when there are no other GPUs)

RadeonResetBugFixService/Constants.cs

@@ -6,6 +6,8 @@
     {
         public static TimeSpan ServiceTimeout { get; } = TimeSpan.FromMinutes(5);
 
-        public static string BasicDisplayRegistryKey { get; } = @"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BasicDisplay";
+        public static string RegistryKeyBasicDisplay { get; } = @"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BasicDisplay";
+
+        public static string RegistryKeySystemControl { get; } = @"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control";
     }
 }

RadeonResetBugFixService/MainHandler.cs

@@ -51,8 +51,8 @@
                                 {
                                     new EnableBasicDisplayStartupTask(),
                                     new SleepTask(TimeSpan.FromSeconds(20)),
-                                    new DisableVirtualVideoTask(this.StartupDevicesStatus),
                                     new EnableAmdVideoTask(this.StartupDevicesStatus),
+                                    new DisableVirtualVideoTask(this.StartupDevicesStatus),
                                     new SleepTask(TimeSpan.FromSeconds(40)),
                                     new FixMonitorTask(),
                                     new DisableVirtualVideoTask(this.StartupDevicesStatus),
@@ -84,12 +84,11 @@
                                 new ITask[]
                                 {
                                     new StopAudioServiceTask(),
-                                    new SleepTask(TimeSpan.FromSeconds(15)),
-                                    new DisableAmdVideoTask(this.ShutdownDevicesStatus),
                                     new EnableVirtualVideoTask(this.ShutdownDevicesStatus),
+                                    new DisableAmdVideoTask(this.ShutdownDevicesStatus),
                                     new LastResortDevicesRestoreTask(this.StartupDevicesStatus),
                                     new LastResortDevicesRestoreTask(this.StartupDevicesStatus), // just in case
-                                    new DisableBasicDisplayStartupTask(),
+                                    new DisableBasicDisplayStartupTask(this.StartupDevicesStatus),
                                 });
                         }
                     }

RadeonResetBugFixService/ProjectInstaller.Designer.cs

@@ -45,6 +45,7 @@
             this.serviceInstaller1.ServiceName = "RadeonResetBugFixService";
             this.serviceInstaller1.StartType = System.ServiceProcess.ServiceStartMode.Automatic;
             this.serviceInstaller1.AfterInstall += new System.Configuration.Install.InstallEventHandler(this.serviceInstaller1_AfterInstall);
+            this.serviceInstaller1.AfterUninstall += new System.Configuration.Install.InstallEventHandler(this.serviceInstaller1_AfterUninstall);
             // 
             // ProjectInstaller
             // 

RadeonResetBugFixService/ProjectInstaller.cs

@@ -2,7 +2,9 @@
 {
     using System.ComponentModel;
     using System.Configuration.Install;
+    using System.Linq;
     using System.Management;
+    using Microsoft.Win32;
 
     [RunInstaller(true)]
     public partial class ProjectInstaller : System.Configuration.Install.Installer
@@ -32,11 +34,36 @@
             }
 
             ThirdParty.ServicePreshutdownHelpers.ServicePreshutdownHelpers.SetPreShutdownTimeOut(this.serviceInstaller1.ServiceName, (uint)Constants.ServiceTimeout.TotalMilliseconds);
+
+            var preshutdownOrder = GetPreshutdownOrder();
+            if (!preshutdownOrder.Contains(this.serviceInstaller1.ServiceName))
+            {
+               SetPreshutdownOrder(new[] { this.serviceInstaller1.ServiceName }.Concat(preshutdownOrder).ToArray());
+            }
+        }
+
+        private void serviceInstaller1_AfterUninstall(object sender, InstallEventArgs e)
+        {
+            var preshutdownOrder = GetPreshutdownOrder();
+            if (preshutdownOrder.Contains(this.serviceInstaller1.ServiceName))
+            {
+                SetPreshutdownOrder(preshutdownOrder.Where((name) => name != this.serviceInstaller1.ServiceName).ToArray());
+            }
         }
 
         private void serviceProcessInstaller1_AfterInstall(object sender, InstallEventArgs e)
         {
 
         }
+
+        private string[] GetPreshutdownOrder()
+        {
+            return (string[])Registry.GetValue(Constants.RegistryKeySystemControl, "PreshutdownOrder", new string[0]);
+        }
+
+        private void SetPreshutdownOrder(string[] data)
+        {
+            Registry.SetValue(Constants.RegistryKeySystemControl, "PreshutdownOrder", data, RegistryValueKind.MultiString);
+        }
     }
 }

RadeonResetBugFixService/Tasks/DisableBasicDisplayStartupTask.cs

@@ -1,17 +1,41 @@
 namespace RadeonResetBugFixService.Tasks
 {
+    using System;
     using Microsoft.Win32;
     using Contracts;
+    using Devices;
 
     class DisableBasicDisplayStartupTask : ITask
     {
         string ITask.TaskName => "Disabling basic display automatic start";
 
+        private DevicesStatus StartupDevicesStatus { get; }
+
+        public DisableBasicDisplayStartupTask(DevicesStatus startupDevicesStatus)
+        {
+            if (startupDevicesStatus == null)
+            {
+                throw new ArgumentNullException(nameof(startupDevicesStatus));
+            }
+
+            this.StartupDevicesStatus = startupDevicesStatus;
+        }
+
         void ITask.Run(ILogger logger)
         {
-            var originalValue = Registry.GetValue(Constants.BasicDisplayRegistryKey, "Start", -1);
+            foreach (var device in this.StartupDevicesStatus.DisabledDevices)
+            {
+                logger.Log($"Processing {device.Description}; should be enabled");
+                var disabledStatus = DeviceHelper.IsDeviceCurrentlyDisabled(device);
+
+                if (disabledStatus.HasValue && !disabledStatus.Value)
+                {
+                    logger.Log($"Device is enabled; disabling BasicDisplay service");
+                    var originalValue = Registry.GetValue(Constants.RegistryKeyBasicDisplay, "Start", -1);
                     logger.Log($"Original start value {originalValue}");
-            Registry.SetValue(Constants.BasicDisplayRegistryKey, "Start", 4);
+                    Registry.SetValue(Constants.RegistryKeyBasicDisplay, "Start", 4);
+                }
+            }
         }
     }
 }

RadeonResetBugFixService/Tasks/EnableBasicDisplayStartupTask.cs

@@ -9,9 +9,9 @@
 
         void ITask.Run(ILogger logger)
         {
-            var originalValue = Registry.GetValue(Constants.BasicDisplayRegistryKey, "Start", -1);
+            var originalValue = Registry.GetValue(Constants.RegistryKeyBasicDisplay, "Start", -1);
             logger.Log($"Original start value {originalValue}");
-            Registry.SetValue(Constants.BasicDisplayRegistryKey, "Start", 3);
+            Registry.SetValue(Constants.RegistryKeyBasicDisplay, "Start", 3);
         }
     }
 }

RadeonResetBugFixService/Tasks/LastResortDevicesRestoreTask.cs

@@ -22,9 +22,9 @@
 
         void ITask.Run(ILogger logger)
         {
-            foreach (var device in this.StartupDevicesStatus.EnabledDevices)
+            foreach (var device in this.StartupDevicesStatus.DisabledDevices)
             {
-                logger.Log($"Processing {device.Description}; should be disabled");
+                logger.Log($"Processing {device.Description}; should be enabled");
                 try
                 {
                     var disabledStatus = DeviceHelper.IsDeviceCurrentlyDisabled(device);
@@ -32,19 +32,18 @@
                     {
                         logger.Log("Device not present");
                     }
-                    else if (!disabledStatus.Value)
+                    else if (disabledStatus.Value)
                     {
-                        logger.Log("Device enabled; attempting to disable...");
-                        DeviceHelper.DisableDevice(device);
-                        logger.Log("Disabled device; checking status...");
+                        logger.Log("Device disabled; attempting to enable...");
+                        DeviceHelper.EnableDevice(device);
+                        logger.Log("Enabled device; checking status...");
                         var newStatus = DeviceHelper.IsDeviceCurrentlyDisabled(device);
                         if (!newStatus.HasValue)
                         {
                             logger.LogError("Device not present");
-                        }
-                        else if (!newStatus.Value)
+                        } else if (newStatus.Value)
                         {
-                            logger.LogError("Device is enabled but should be disabled");
+                            logger.LogError("Device is disabled but should be enabled");
                         }
                         else
                         {
@@ -53,7 +52,7 @@
                     }
                     else
                     {
-                        logger.Log("Device is disabled");
+                        logger.Log("Device is enabled");
                     }
                 }
                 catch (Exception e)
@@ -62,9 +61,9 @@
                 }
             }
 
-            foreach (var device in this.StartupDevicesStatus.DisabledDevices)
+            foreach (var device in this.StartupDevicesStatus.EnabledDevices)
             {
-                logger.Log($"Processing {device.Description}; should be enabled");
+                logger.Log($"Processing {device.Description}; should be disabled");
                 try
                 {
                     var disabledStatus = DeviceHelper.IsDeviceCurrentlyDisabled(device);
@@ -72,18 +71,19 @@
                     {
                         logger.Log("Device not present");
                     }
-                    else if (disabledStatus.Value)
+                    else if (!disabledStatus.Value)
                     {
-                        logger.Log("Device disabled; attempting to enable...");
-                        DeviceHelper.EnableDevice(device);
-                        logger.Log("Enabled device; checking status...");
+                        logger.Log("Device enabled; attempting to disable...");
+                        DeviceHelper.DisableDevice(device);
+                        logger.Log("Disabled device; checking status...");
                         var newStatus = DeviceHelper.IsDeviceCurrentlyDisabled(device);
                         if (!newStatus.HasValue)
                         {
                             logger.LogError("Device not present");
-                        } else if (newStatus.Value)
+                        }
+                        else if (!newStatus.Value)
                         {
-                            logger.LogError("Device is disabled but should be enabled");
+                            logger.LogError("Device is enabled but should be disabled");
                         }
                         else
                         {
@@ -92,7 +92,7 @@
                     }
                     else
                     {
-                        logger.Log("Device is enabled");
+                        logger.Log("Device is disabled");
                     }
                 }
                 catch (Exception e)