Add Brightness Control patches

.github/ISSUE_TEMPLATE/bug_report.md

@@ -27,11 +27,8 @@ If applicable, add the generated OpenCore Build to help explain your problem.
  - OS Patching (ie. macOS 11.2.3, Big Sur)
  - Model Patching (ie. MacPro5,1)
 
-For in-depth hardware logs, we highly encourage users to send the following files:
+For in-depth hardware logs, we highly encourage users to run [IORegistryExplorer](https://github.com/khronokernel/IORegistryClone/blob/master/ioreg-210.zip?raw=true) and send the output
-```bash
+* ie. `File -> SaveAs`
-ioreg -lw0 > ~/Desktop/IOReg.txt
-ioreg -lw0 -a > ~/Desktop/IOReg.plist
-```
 
 **Additional context**
 Add any other context about the problem here.

CHANGELOG.md

@@ -8,6 +8,7 @@
   - AppleALC 1a3e5cb (1.6.0 rolling - 04-10-2021)
 - Enhance Wifi model detection
 - Hide OpenShell.efi by default
+- Add Brightness Control patches for legacy Nvidia and Intel GPUs
 
 ## 0.0.22
 - Add ExFat support for models missing driver

OpenCore-Patcher.command

@@ -110,7 +110,7 @@ system_profiler SPHardwareDataType | grep 'Model Identifier'
         utilities.header(["Patching System Volume"])
         print("""Patches Root volume to fix misc issues such as:
 
-- No patches currently avalible for any model
+- Brightness control for non-Metal Nvidia and Intel GPUs
 
 WARNING: Root Volume Patching is still in active development, please
 have all important user data backed up. Note when the system volume

Resources/ModelArray.py

@@ -928,6 +928,15 @@ AddNvidiaAccel11 = [
     "IOSurface.kext",
 ]
 
+AddNvidiaBrightness11 = [
+    "GeForceGA.bundle",
+	"GeForceTesla.kext",
+	"GeForceTeslaGLDriver.bundle",
+	"GeForceTeslaVADriver.bundle",
+	"NVDANV50HalTesla.kext",
+	"NVDAResmanTesla.kext",
+]
+
 AddAMDAccel11 = [
     "AMD2400Controller.kext",
 	"AMD2600Controller.kext",
@@ -963,6 +972,16 @@ AddIntelGen1Accel = [
     "IOSurface.kext",
 ]
 
+AddIntelGen1Brightness = [
+    "AppleIntelFramebufferAzul.kext",
+	"AppleIntelFramebufferCapri.kext",
+	"AppleIntelHDGraphics.kext",
+	"AppleIntelHDGraphicsFB.kext",
+	"AppleIntelHDGraphicsGA.plugin",
+	"AppleIntelHDGraphicsGLDriver.bundle",
+	"AppleIntelHDGraphicsVADriver.bundle",
+]
+
 AddIntelGen2Accel = [
     "AppleIntelHD3000Graphics.kext",
 	"AppleIntelHD3000GraphicsGA.plugin",
@@ -973,6 +992,15 @@ AddIntelGen2Accel = [
     "IOSurface.kext",
 ]
 
+AddIntelGen2Brightness = [
+    "AppleIntelHD3000Graphics.kext",
+	"AppleIntelHD3000GraphicsGA.plugin",
+	"AppleIntelHD3000GraphicsGLDriver.bundle",
+	"AppleIntelHD3000GraphicsVADriver.bundle",
+	"AppleIntelSNBGraphicsFB.kext",
+	"AppleIntelSNBVA.bundle",
+]
+
 DeleteBrightness = [
     "AppleGraphicsControl.kext/Contents/PlugIns/AGDCBacklightControl.kext"
 ]

Resources/SysPatch.py

@@ -163,6 +163,7 @@ class PatchSysVolume:
 
     def patch_root_vol(self):
         print(f"- Detecting patches for {self.model}")
+        rebuild_required = False
         # TODO: Create Backup of S*/L*/Extensions, Frameworks and PrivateFramework to easily revert changes
         # APFS snapshotting seems to ignore System Volume changes inconcistently, would like a backup to avoid total brick
         # Perhaps a basic py2 script to run in recovery to restore
@@ -176,15 +177,27 @@ class PatchSysVolume:
         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]
 
-        if (self.model in ModelArray.LegacyGPU) and (Path(self.constants.hiddhack_path).exists()):
+        if self.model in ModelArray.LegacyGPU:
             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):
                 print("- Detected Metal-based AMD GPU, skipping legacy patches")
             elif (self.constants.current_gpuv == "NVIDIA (0x10de)") & (self.constants.current_gpud in ModelArray.NVIDIAMXMGPUs):
                 print("- Detected Metal-based Nvidia GPU, skipping legacy patches")
             else:
-                print("- Detected legacy GPU, attempting legacy acceleration patches")
+                if Path(self.constants.hiddhack_path).exists():
-                self.gpu_accel_patches_11()
+                    print("- Detected legacy GPU, attempting legacy acceleration patches")
+                    self.gpu_accel_patches_11()
+                else:
+                    print("- Adding Brightness Control patches")
+                    if self.model in ModelArray.LegacyGPUNvidia:
+                        self.add_new_binaries(ModelArray.AddNvidiaBrightness11, self.constants.legacy_nvidia_path)
+                    #elif self.model in ModelArray.LegacyGPUNvidia:
+                    #    self.add_new_binaries(ModelArray.AddAMDBrightness11, self.constants.legacy_amd_path)
+
+                    if self.model in ModelArray.LegacyGPUIntelGen1:
+                        self.add_new_binaries(ModelArray.AddIntelGen1Brightness, self.constants.legacy_intel_gen1_path)
+                    elif self.model in ModelArray.LegacyGPUIntelGen2:
+                        self.add_new_binaries(ModelArray.AddIntelGen2Brightness, self.constants.legacy_intel_gen2_path)
                 rebuild_required = True
 
         if rebuild_required is True:

docs/BENIFITS.md

@@ -12,7 +12,7 @@ With OpenCore Legacy Patcher we recommend users go through the below table to un
 | Supported OSes | <span style="color:#30BCD5">10.7-11</span> | <span style="color:red">10.15-11</span> |
 | Firmware Patching | <span style="color:#30BCD5">None required</span> | <span style="color:red">Required for models without native APFS support</span> |
 | BootCamp Switching | <span style="color:red">Requires EFI Conversion for Start Disk support, otherwise still supported</span> | <span style="color:#30BCD5">Native</span> |
-| Brightness Control on Legacy GPUs | <span style="color:red">Not supported</span> | <span style="color:#30BCD5">Supported</span> |
+| Brightness Control on Legacy GPUs | <span style="color:#30BCD5">Supported</span> | <span style="color:#30BCD5">Supported</span> |
 | WPA Wifi Support | <span style="color:#30BCD5">Native, stable</span> | <span style="color:red">Unstable</span> |
 | Legacy GPU Acceleration | <span style="color:red">Coming soon</span> | <span style="color:red">Coming soon</span> |
 | Brightness Control on Legacy GPUs | <span style="color:red">Coming soon</span> | <span style="color:#30BCD5">Supported</span> |

docs/MODELS.md

@@ -16,7 +16,8 @@ The below table will list all supported and unsupported functions of the patcher
 * [Mac Pro](#mac-pro)
 * [Xserve](#xserve)
 
-Note: In this patcher, Brightness Control is tied to GPU acceleration
+Note: Brightness Control is currently unsupported on AMD GPUs as well as on iMac7,1, iMac8,1, iMac9,1 and MacBook5,2
+
 
 Note 2: For setups that require AppleHDA patching, we highly advise users instead opt of a USB Audio adapter to avoid root patching. This ensures that [DELTA](./TERMS.md) updates, FileVault, SIP and other security features can stay in-tact.
 

docs/PATCHEXPLAIN.md

@@ -225,6 +225,10 @@ Note, GPU Acceleration Patches are not public yet, the below section is simply d
 * Nvidia Binaries
   * GeForceGA.bundle
   * GeForceTesla.kext
+    * Skip IOFree Panic - Mojave+
+	  * At Offset `0x5CF9A` replace following bytes with `0xEB`
+    * Avoids `addMemoryRegion/removeMemoryRegion` calls
+      * At Offset `0x5527` and `0x77993`, replace following bytes with `0x909090909090`
   * GeForceTeslaGLDriver.bundle
   * GeForceTeslaVADriver.bundle
   * NVDANV50HalTesla.kext