Is anyone had a success to passthrough Intel iGPU (Skylake) using q35 emulated chipset?

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My theory is the Intel iGPU driver for Windows does some checks on q35 + Broadwell or newer machines that prevents direct output. It's probably setting it to UPT mode (which doesn't allow direct output) instead of legacy mode. It seems you can't seem to set it to legacy mode due to there already being a ISA/LPC device at the 1f.0 pci address. More info about it here.

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