Agree
The above link shows
My experience is it mostly works with no host changes (other than passing through the iGPU via the VM configuration.
Current imperfections (mostly recently look at with kernel 6.17.04) I've noticed are:
i5-1235U...
With the current Proxmox version HDMI output with no modifications other than passing through the Intel iGPU to the VM for the newest linux version See https://forum.proxmox.com/threads/proxmox-9-gpu-pass-through.169151/#post-796557
With newer...
Have you tried Ubuntu 25.10, as that version worked for me out of the box?
In contrast Ubuntu 25.04 for me required
copy Host/sys/kernel/debug/dri/0000:00:02.0/i915_vbt to VM /lib/firmware/ i915_vbt
edit /etc/default/grub to contain...
I'm not using AMD. I'm just passing through intel iGPU.
No other modification than listed above are required. The aim was to find the minimum requirements for it to work.
Steps
Create PVE v9 install on your hardware
Create a VM with iGPU pass through but not set as primary display, ubuntu-25.10-snapshot-desktop-amd64 (Machine: either works for me but sometimes retain partial but not really usable PVE VM GUI...