Hi rubble, i see your config.plist have some unnecessary patches, all this patches GFX0 to IGPU, PEGP to GFX0, HECI to IMEI, MEI to IMEI, HDAS to HDEF is need to disabled/deleted because it automated patched by Whatevergreen,
try this config.plist
also using Nullcpupowermanagement is not ideal...