That's normal on Laptops.
Read here:
How to Disable Discrete Graphics in Dual GPU Laptops (NVIDIA/AMD) on macOS An EliteMacx86 Exclusive Guide - This guide covers disabling Discrete Graphics in Dual GPU Laptops for NVIDIA and AMD on macOS. By following this guide, you'll be able to disable discrete graphics (NVIDIA/AMD) on your...
elitemacx86.com
Of course, as Intel HD 630 is natively supported on macOS Monterey. OCLP is intended for real Macs and is for patching legacy hardware on a modern macOS.
In short, it is not supported. Unlike Windows, you cannot run both GPUs on macOS due to certain limitations.
Read here:
How to Disable Discrete Graphics in Dual GPU Laptops (NVIDIA/AMD) on macOS An EliteMacx86 Exclusive Guide - This guide covers disabling Discrete Graphics in Dual GPU Laptops for NVIDIA and AMD on macOS. By following this guide, you'll be able to disable discrete graphics (NVIDIA/AMD) on your...
elitemacx86.com
Using Boot Camp isn't recommended. You can use the native UEFI Method to Dual Boot.