Help needed: how to make iGPU of 10875h UHD630 works on my laptop

[wps8848]

@EliteMacx86 Could you help me?

## Details:
1. Laptop hardware
- Model: Gigabyte AERO-17-WB with 4K LVDS LED (3840x2160)
- CPU: Intel Core i7-10875H 2.30GHz 8 cores, 16 threads
- iGPU: UHD630, DeviceId 8086-9BC4
- Audio: ALC 255
- dGPU: disabled via ACPI aml
- LAN: Killer E2600
- WiFi: Killer Wi-Fi 6 AX1650x 160MHz Wireless Network Adapter (200NGW)
2. Os Info
- Catalina 10.15.x and BigSur 11.4.
- Loader: OpenCore 0.7.1
- Smbios: MacBookPro16,1
1. Not Working HW
- iGPU: Intel UHD Graphics 630 31 MB
- Backlight: not done
4. Working HW
- LAN: RealtekRTL8111
- WiFi: itlwm
- Audio: ALC
- USB: mapped
5. Problem
- How to make iGPU works.
6. BIOS: I've unlocked the BIOS, and done the following
- CFG Lock: Off
- DVMT: 64MB
- and other changes according to the guide
7. What I've tried
- opencore version : from 0.6.9 to 0.7.1
- mac os version: 10.15.7 to 11.4
- smbios: MacBookPro16,1/2/3/4, MacBookPro15.1
- many AAPL,ig-platform-id
- many device-id: it seeams like only the current one can display
8. My guess
- Comet Lake caused?
- Laptop ?
- Smbios ?