Add Legacy GMUX patch sets

CHANGELOG.md

@@ -21,6 +21,12 @@
   - Apply `agdpmod=vit9696` patch
 - Add Syncretic's SurPlus 11.3+ Race Condition Patch
   - [Source](https://github.com/reenigneorcim/SurPlus)
+- Downgrade Nvidia Kepler Bundles to 11.0 Beta 3
+  - Resolves crashing at high loads, credit to [Jackluke](https://github.com/jacklukem) for discovery
+- Add Legacy GMUX patchsets
+  - Applicable for dual GPU MacBookPro5,x and demuxed MacBookPro8,x
+- Increment Binaries:
+  - PatcherSupportPkg 0.1.5 release
 
 ## 0.2.5
 

Resources/Constants.py

@@ -14,7 +14,7 @@ class Constants:
     def __init__(self):
         # Patcher Versioning
         self.patcher_version = "0.3.0"  #              OpenCore-Legacy-Patcher
-        self.patcher_support_pkg_version = "0.1.4"  #  PatcherSupportPkg
+        self.patcher_support_pkg_version = "0.1.5"  #  PatcherSupportPkg
 
         # OpenCore Versioning
         # https://github.com/acidanthera/OpenCorePkg
@@ -619,6 +619,10 @@ class Constants:
     def legacy_brightness(self):
         return self.payload_apple_kexts_path / Path("Brightness-Control")
     
+    @property
+    def legacy_mux_path(self):
+        return self.payload_apple_kexts_path / Path("Legacy-Mux")
+
     @property
     def legacy_wifi_coreservices(self):
         return self.payload_apple_coreservices_path / Path("Legacy-Wifi")

Resources/SysPatch.py

@@ -35,6 +35,7 @@ class PatchSysVolume:
         self.brightness_legacy = False
         self.legacy_audio = False
         self.legacy_wifi = False
+        self.legacy_gmux = False
         self.added_legacy_kexts = False
         self.amfi_must_disable = False
         self.check_board_id = False
@@ -57,6 +58,7 @@ class PatchSysVolume:
         self.mount_lauchd = f"{self.mount_location}/System/Library/LaunchDaemons"
         self.mount_private_frameworks = f"{self.mount_location}/System/Library/PrivateFrameworks"
         self.mount_libexec = f"{self.mount_location}/usr/libexec"
+        self.mount_extensions_mux = f"{self.mount_location}/System/Library/Extensions/AppleGraphicsControl.kext/Contents/PlugIns/"
 
     def elevated(self, *args, **kwargs) -> subprocess.CompletedProcess:
         if os.getuid() == 0 or self.constants.gui_mode is True:
@@ -310,6 +312,11 @@ set million colour before rebooting"""
         Utilities.process_status(self.elevated(["chmod", "755", f"{self.mount_libexec}/airportd"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
         Utilities.process_status(self.elevated(["chown", "root:wheel", f"{self.mount_libexec}/airportd"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
     
+    def add_legacy_mux_patch(self):
+        self.delete_old_binaries(SysPatchArray.DeleteDemux)
+        print("- Merging Legacy Mux Kext patches")
+        Utilities.process_status(self.elevated(["cp", "-R", f"{self.constants.legacy_mux_path}/AppleMuxControl.kext", self.mount_extensions_mux], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
+
     def gpu_accel_legacy(self):
         if self.constants.detected_os == self.constants.mojave:
             print("- Installing General Acceleration Kext patches for Mojave")
@@ -414,7 +421,7 @@ set million colour before rebooting"""
             print("- Installing basic Ivy Bridge Kext patches for generic OS")
             self.add_new_binaries(SysPatchArray.AddIntelGen3Accel, self.constants.legacy_intel_gen3_path)
 
-    def gpu_franevuffer_kepler_master(self):
+    def gpu_framebuffer_kepler_master(self):
         if self.constants.detected_os == self.constants.monterey:
             print("- Installing Kepler Acceleration Kext patches for Monterey")
             self.add_new_binaries(SysPatchArray.AddNvidiaKeplerAccel11, self.constants.legacy_nvidia_kepler_path)
@@ -476,7 +483,7 @@ set million colour before rebooting"""
                 print("- Detected supported OS, installing Acceleration Patches")
             else:
                 print("- Detected unsupported OS, installing Basic Framebuffer")
-            self.gpu_franevuffer_kepler_master()
+            self.gpu_framebuffer_kepler_master()
 
         elif self.amd_ts1 is True:
             print("- Installing legacy TeraScale 1 Patches")
@@ -544,6 +551,10 @@ set million colour before rebooting"""
             print("- Installing legacy Wireless support")
             self.add_wifi_patch()
         
+        if self.legacy_gmux is True:
+            print("- Installing Legacy Mux Brightness support")
+            self.add_legacy_mux_patch()
+
         if self.validate is False:
             self.rebuild_snapshot()
 
@@ -664,6 +675,16 @@ set million colour before rebooting"""
             self.iron_gpu = False
             self.sandy_gpu = False
     
+    def detect_demux(self):
+        # If GFX0 is missing, assume machine was demuxed
+        # -wegnoegpu would also trigger this, so ensure arg is not present
+        if not "-wegnoegpu" in (Utilities.get_nvram("boot-args") or ""):
+            igpu = self.constants.computer.igpu
+            dgpu = self.constants.computer.dgpu
+            if igpu and not dgpu:
+                return True
+        return False
+            
 
     def detect_patch_set(self):
         self.detect_gpus()
@@ -684,6 +705,17 @@ set million colour before rebooting"""
             if self.constants.detected_os > self.constants.big_sur:
                 self.legacy_wifi = True
         
+        if self.model in ["MacBookPro5,1", "MacBookPro5,2", "MacBookPro5,3", "MacBookPro8,2", "MacBookPro8,3"]:
+            # Sierra uses a legacy GMUX control method needed for dGPU switching on MacBookPro5,x
+            # Same method is also used for demuxed machines
+            if self.constants.detected_os > self.constants.high_sierra:
+                if self.model in ["MacBookPro8,2", "MacBookPro8,3"]:
+                    # Ref: https://doslabelectronics.com/Demux.html
+                    if self.detect_demux() is True:
+                        self.legacy_gmux = True
+                else:
+                    self.legacy_gmux = True
+
         Utilities.cls()
         print("The following patches will be applied:")
         if self.nvidia_legacy is True:
@@ -706,6 +738,8 @@ set million colour before rebooting"""
             print("- Add legacy Audio Control")
         if self.legacy_wifi is True:
             print("- Add legacy WiFi Control")
+        if self.legacy_gmux is True:
+            print("- Add Legacy Mux Brightness Control")
 
         self.no_patch = not any(
             [
@@ -719,6 +753,7 @@ set million colour before rebooting"""
                 self.brightness_legacy,
                 self.legacy_audio,
                 self.legacy_wifi,
+                self.legacy_gmux,
             ]
         )
 

Resources/SysPatchArray.py

@@ -177,6 +177,16 @@ AddGeneralAccel = ["IOAcceleratorFamily2.kext", "IOSurface.kext"]
 
 DeleteBrightness = ["AppleGraphicsControl.kext/Contents/PlugIns/AGDCBacklightControl.kext"]
 
+DeleteDemux = [
+    "AppleGraphicsControl.kext/Contents/PlugIns/AGDCBacklightControl.kext",
+    "AppleGraphicsControl.kext/Contents/PlugIns/AppleMuxControl.kext",
+    "AppleBacklight.kext",
+]
+
+AddDemux = [
+    "AppleMuxControl.kext",
+]
+
 AddBrightness = [
     "AppleBacklight.kext",
     "AppleBacklightExpert.kext",