OledPowerOptimization checker #4977 #5048

Author: seerge

app/Display/AmdDisplay.cs

@@ -0,0 +1,45 @@
+using Microsoft.Win32;
+using Ryzen;
+
+namespace GHelper.Display
+{
+    public static class AmdDisplay
+    {
+        private const string DisplayPath0 =
+            @"SYSTEM\CurrentControlSet\Control\Class\" +
+            @"{4d36e968-e325-11ce-bfc1-08002be10318}\" +
+            @"0001\DAL2_DATA__2_0\DisplayPath_0";
+
+        public static bool IsOledPowerOptimizationOnBattery()
+        {
+
+            if (!AppConfig.IsOLED()) return false; 
+            if (SystemInformation.PowerStatus.PowerLineStatus != PowerLineStatus.Offline) return false;
+            if (!RyzenControl.IsAMD()) return false;
+
+            try
+            {
+                using RegistryKey dp0 = Registry.LocalMachine.OpenSubKey(DisplayPath0, writable: false);
+                if (dp0 == null) return false;
+
+                // Find the first EDID_* subkey — there's only one for the internal panel
+                string edidKey = Array.Find(dp0.GetSubKeyNames(),
+                    name => name.StartsWith("EDID_", StringComparison.OrdinalIgnoreCase));
+
+                if (edidKey == null) return false;
+
+                using RegistryKey adjustment = dp0.OpenSubKey($@"{edidKey}\Adjustment", writable: false);
+
+                if (adjustment?.GetValue("DAL_SCE_Settings") is not byte[] data || data.Length < 5)
+                    return false;
+
+                // Byte[4]: 0x02 = battery OLED optimization ON, 0x00 = OFF
+                return (data[4] & 0x02) != 0;
+            } catch
+            {
+                return false;
+            }
+
+        }
+    }
+}

app/Display/VisualControl.cs

@@ -367,6 +367,12 @@ private static int RunSplendid(SplendidCommand command, int? param1 = null, int?
             bool isVivo = AppConfig.IsVivoZenPro();
             bool isSplenddid = File.Exists(splendidExe);
 
+            if (AmdDisplay.IsOledPowerOptimizationOnBattery())
+            {
+                Logger.WriteLine("Skipping command due to AMD OLED Power Optimization flag");
+                return 1;
+            }
+
             if (isSplenddid)
             {
                 var result = ProcessHelper.RunCMD(splendidExe, (int)command + " " + param1 + " " + param2 + " " + param3, splendidPath);