sys_patch_detect: Add Polaris support for pre-AVX2.0

CHANGELOG.md

@@ -22,6 +22,8 @@
     - Intel: Ivy Bridge, Haswell, Broadwell and Skylake
     - Nvidia: Kepler
     - AMD: GCN 1 through 3
+    - AMD: Polaris (on pre-AVX2.0 systems)
+      - Boot in safe mode to avoid stock driver loading
   - Raise SIP requirement to 0x803 for root patching
   - Add Ventura Boot Picker icons
   - Implement KDK-less root patching for Metal Intel and Nvidia GPUs
@@ -33,7 +35,7 @@
   - OpenCorePkg 0.8.3 release
   - Lilu 1.6.2 - release
   - FeatureUnlock 1.0.9 release
-  - PatcherSupportPkg 0.6.5 - release
+  - PatcherSupportPkg 0.6.6 - release
   - BrcmPatchRAM 2.6.3 - release
   - AutoPkgInstaller 1.0.1 - release
   - CryptexFixup 1.0.0 - rolling (1e41456)

data/sys_patch_dict.py

@@ -601,6 +601,7 @@ def SystemPatchDictionary(os_major, os_minor, non_metal_os_support):
                         "AMD7000Controller.kext":        "12.5",
                         "AMD8000Controller.kext":        "12.5",
                         "AMD9000Controller.kext":        "12.5",
+                        "AMD9500Controller.kext":        "12.5",
                         "AMDRadeonX4000.kext":           "12.5",
                         "AMDRadeonX4000HWServices.kext": "12.5",
                         "AMDFramebuffer.kext":           "12.5",
@@ -615,8 +616,7 @@ def SystemPatchDictionary(os_major, os_minor, non_metal_os_support):
                     "/System/Library/Extensions": [
                         # Due to downgraded AMDSupport.kext
                         # In the future, we will have to downgrade the entire AMD stack
-                        # to support non-AVX2.0 machines with Polaris or newer
-                        "AMD9500Controller.kext",
+                        # to support non-AVX2.0 machines with Vega or newer
                         "AMD10000Controller.kext",
                     ],
                 },

resources/constants.py

@@ -13,7 +13,7 @@ class Constants:
     def __init__(self):
         # Patcher Versioning
         self.patcher_version = "0.5.0"  # OpenCore-Legacy-Patcher
-        self.patcher_support_pkg_version = "0.6.5"  #  PatcherSupportPkg
+        self.patcher_support_pkg_version = "0.6.6"  #  PatcherSupportPkg
         self.url_patcher_support_pkg = "https://github.com/dortania/PatcherSupportPkg/releases/download/"
         self.nightly_url_patcher_support_pkg = "https://nightly.link/dortania/PatcherSupportPkg/workflows/build/master/"
         self.discord_link = "https://discord.gg/rqdPgH8xSN"

resources/sys_patch_detect.py

@@ -114,11 +114,19 @@ class detect_root_patch:
                     device_probe.AMD.Archs.Legacy_GCN_7000,
                     device_probe.AMD.Archs.Legacy_GCN_8000,
                     device_probe.AMD.Archs.Legacy_GCN_9000,
+                    device_probe.AMD.Archs.Polaris,
                 ]:
                     if self.constants.detected_os > os_data.os_data.monterey:
                         translated = subprocess.run("sysctl -in sysctl.proc_translated".split(), stdout=subprocess.PIPE).stdout.decode()
                         if translated:
                             continue
+
+                        if gpu.arch == device_probe.AMD.Archs.Polaris:
+                            # Check if host supports AVX2.0
+                            # If not, enable legacy GCN patch
+                            if "AVX2" in self.constants.computer.cpu.leafs:
+                                continue
+
                         self.legacy_gcn = True
                         self.supports_metal = True
                         self.requires_root_kc = True
@@ -173,7 +181,7 @@ class detect_root_patch:
             self.iron_gpu = False
             self.sandy_gpu = False
             self.legacy_keyboard_backlight = False
-        
+
         if self.constants.detected_os <= os_data.os_data.monterey:
             # Always assume Root KC requirement on Monterey and older
             self.requires_root_kc = True