According to https://www.tonymacx86.com/threads/an-idiots-guide-to-lilu-and-its-plug-ins.260063/, when using Whatevergreen as GPU solution, following clover ACPI patches should be disabled or removed:
Change/Rename GFX0 to IGPU
Change/Rename PEG0 to GFX0
Change/Rename HECI to IMEI
An iDiot's Guide To Lilu and its Plug-in's
Last Update: 20th Aug 2020 (Add Comet Lake Desktop Headless PlatformID)
About this Guide
This guide is written as a helping hand to those users who have some understanding of using legacy hackintosh methods but are considering using Lilu as a means...