Add Backlight patches for modded Nvidia GPUs

CHANGELOG.md

@@ -1,6 +1,8 @@
 # OpenCore Legacy Patcher changelog
 
 ## 0.0.12
+- Convert OpenCore-Patcher binary to OpenCore-Patcher.app
+- Add Backlight patches for modded Nvidia GPUs in iMac10,x-12,x
 
 ## 0.0.11
 - Re-add OpenCore GUI

OpenCore-Patcher.command

@@ -6,8 +6,6 @@ import subprocess, sys, time
 
 from Resources import build, ModelArray, Constants, utilities
 
-PATCHER_VERSION = "0.0.11"
-
 
 class OpenCoreLegacyPatcher():
     def __init__(self):

Resources/Constants.py

@@ -25,6 +25,7 @@ class Constants:
         self.voodoohda_version = "296"
         self.restrictevents_version = "1.0.0"
         self.piixata_version = "1.0.0"
+        self.backlight_version = "1.0.0"
 
         # Get resource path
         self.current_path = Path(__file__).parent.parent.resolve()
@@ -32,6 +33,8 @@ class Constants:
 
         self.custom_model: str = None
         self.custom_mxm_gpu: str = None
+        self.current_gpuv: str = None
+        self.current_gpud: str = None
     # Payload Location
     # OpenCore
     @property
@@ -78,6 +81,8 @@ class Constants:
     def voodoohda_path(self): return self.payload_kexts_path / Path(f"Audio/VoodooHDA-v{self.voodoohda_version}.zip")
     @property
     def piixata_path(self): return self.payload_kexts_path / Path(f"Misc/AppleIntelPIIXATA-v{self.piixata_version}.zip")
+    @property
+    def backlight_path(self): return self.payload_kexts_path / Path(f"Misc/AppleBacklightFixup-v{self.backlight_version}.zip")
 
     # Build Location
     @property

Resources/build.py

@@ -153,19 +153,21 @@ class BuildOpenCore:
         # Check GPU Vendor
         if self.constants.custom_model == "None":
             current_gpu: str = subprocess.run("system_profiler SPDisplaysDataType".split(), stdout=subprocess.PIPE, stderr=subprocess.STDOUT).stdout.decode()
-            current_gpuv = [line.strip().split(": ", 1)[1] for line in current_gpu.split("\n") if line.strip().startswith(("Vendor"))][0]
-            current_gpud = [line.strip().split(": ", 1)[1] for line in current_gpu.split("\n") if line.strip().startswith(("Device ID"))][0]
-            print(f"- Detected GPU: {current_gpuv} {current_gpud}")
-            if (current_gpuv == "AMD (0x1002)") & (current_gpud in ModelArray.AMDMXMGPUs):
+            self.constants.current_gpuv = [line.strip().split(": ", 1)[1] for line in current_gpu.split("\n") if line.strip().startswith(("Vendor"))][0]
+            self.constants.current_gpud = [line.strip().split(": ", 1)[1] for line in current_gpu.split("\n") if line.strip().startswith(("Device ID"))][0]
+            print(f"- Detected GPU: {self.constants.current_gpuv} {self.constants.current_gpud}")
+            if (self.constants.current_gpuv == "AMD (0x1002)") & (self.constants.current_gpud in ModelArray.AMDMXMGPUs):
                 self.constants.custom_mxm_gpu = True
                 print("- Adding AMD DRM patches")
                 self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += " shikigva=80 unfairgva=1"
-            elif (current_gpuv == "NVIDIA (0x10de)") & (current_gpud in ModelArray.NVIDIAMXMGPUs):
+            elif (self.constants.current_gpuv == "NVIDIA (0x10de)") & (self.constants.current_gpud in ModelArray.NVIDIAMXMGPUs):
                 self.constants.custom_mxm_gpu = True
                 print("- Adding Brightness Control patches")
                 if self.model in ["iMac11,1", "iMac11,2", "iMac11,3"]:
                     backlight_path = "PciRoot(0x0)/Pci(0x3,0x0)/Pci(0x0,0x0)"
                     self.config["DeviceProperties"]["Add"][backlight_path] = {"@0,backlight-control": binascii.unhexlify("01000000"), "@0,built-in": binascii.unhexlify("01000000")}
+                    shutil.copy(self.constants.backlight_path, self.constants.kexts_path)
+                    self.get_kext_by_bundle_path("AppleBacklightFixup.kext")["Enabled"] = True
                 elif self.model in ["iMac12,1", "iMac12,2"]:
                     backlight_path = "PciRoot(0x0)/Pci(0x1,0x0)/Pci(0x0,0x0)"
                     self.config["DeviceProperties"]["Add"][backlight_path] = {"@0,backlight-control": binascii.unhexlify("01000000"), "@0,built-in": binascii.unhexlify("01000000")}
@@ -200,7 +202,12 @@ class BuildOpenCore:
             spoofed_model = "Macmini7,1"
             spoofed_board = "Mac-35C5E08120C7EEAF"
         elif self.model in ModelArray.iMac151:
-            if self.constants.custom_mxm_gpu == True:
+            # Check for upgraded GPUs on iMacs
+            if (self.constants.current_gpuv == "AMD (0x1002)") & (self.constants.current_gpud in ModelArray.AMDMXMGPUs) & (self.constants.custom_model == "None"):
+                print("- Spoofing to iMacPro1,1")
+                spoofed_model = "iMacPro1,1"
+                spoofed_board = "Mac-7BA5B2D9E42DDD94"
+            elif (self.constants.current_gpuv == "NVIDIA (0x10de)") & (self.constants.current_gpud in ModelArray.NVIDIAMXMGPUs) & (self.constants.custom_model == "None"):
                 print("- Spoofing to iMacPro1,1")
                 spoofed_model = "iMacPro1,1"
                 spoofed_board = "Mac-7BA5B2D9E42DDD94"
@@ -244,7 +251,6 @@ class BuildOpenCore:
                 smbios_mod = True
 
         # USB Map
-        usb_map_path = Path(self.constants.current_path) / Path(f"payloads/Kexts/Maps/Universal/Info.plist")
         self.new_map_ls = Path(self.constants.map_contents_folder) / Path(f"Info.plist")
         self.map_config = plistlib.load(Path(self.new_map_ls).open("rb"))
 

payloads/Config/v0.6.7/config.plist

@@ -494,6 +494,24 @@
 				<key>PlistPath</key>
 				<string>Contents/Info.plist</string>
 			</dict>
+			<dict>
+				<key>Arch</key>
+				<string>x86_64</string>
+				<key>Comment</key>
+				<string>AppleBacklightFixup - Modded Nvidia GPUs</string>
+				<key>Enabled</key>
+				<false/>
+				<key>MaxKernel</key>
+				<string></string>
+				<key>MinKernel</key>
+				<string></string>
+				<key>BundlePath</key>
+				<string>AppleBacklightFixup.kext</string>
+				<key>ExecutablePath</key>
+				<string>Contents/MacOS/AppleBacklightFixup</string>
+				<key>PlistPath</key>
+				<string>Contents/Info.plist</string>
+			</dict>
 			<dict>
 				<key>Arch</key>
 				<string>x86_64</string>