I have a Huawei Matebook D16 2021 with Ryzen 5 4600H and Radeon Graphics iGPU inside. After installing OpenCore with NootedRed as the kext for the iGPU, I ve decided to increase VRAM (on stock it's 512), however, whenever I try to change the stock amount of VRAM to something else via the Smokeless umaf, MacOS just reboots, and Windows shows error 43 next to the GPU, although GPUz sees the changes in the VRAM amount. I've tried to update the Bios, removed unused kexts, but it still doesn't work... What could be the problem here and what are the ways I can fix this?
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