PRIME output screen stays black on 1002:15d8 with 128MB VRAM

Submitted by Maik Freudenberg

Assigned to Default DRI bug account

Link to original bug (#111228)

Description

So far I met the same PCI ID 1002:15d8 with 2GB VRAM which was working fine in prime output mode with any nvidia gpu as provider. The mentioned version with 128MB VRAM doesn't work. No error messages regarding prime, just the screen staying black.
https://devtalk.nvidia.com/default/topic/1056652/linux/amd-ryzen-7-geforce-gtx-1660-ti-laptop-gt-cannot-get-nvidia-to-be-used-as-primary-graphics/1