Another solution for passthrough intel iGPU

[chchia]

previously i shared a solution that to passthrough iGPU to linux vm with working HDMI output, using i915_vbt file method from host machine.

C

Thread 'Solution: Intel iGPU passthrough to Linux VM but failed with Kernel 6.10 onward'

Aug 30, 2024

This is just to share, if you are using intel iGPU passthrough to a Linux VM, you might encounter a problem that no HDMI output if you upgrade your Linux VM to kernel 6.10 onward.

the solution will be here:
https://bugzilla.kernel.org/show_bug.cgi?id=219193

i have Alderlake iGPU passthrough to Linux VM with working HDMI output correctly using Kernel 6.11-rc5 now.

hope this help anyone that encounter the same problem.

• chchia
• Replies: 4
• Forum: Proxmox VE: Installation and configuration

• 

yesterday i found another interesting method, i tested on linux and it worked, and according to the original creator, it should be able to

OpROM/VBIOS for use with GVT-d iGPU passthrough on Proxmox/QEMU/KVM.
Support direct UEFI display output over HDMI, eDP, DVI, and DisplayPort.
Provides perfect display without screen distortion.
Supports Windows, Linux, and even macOS guests.
Fixes Code 43 errors in Windows guests with iGPU passthrough.
Also compatible with SR-IOV virtual functions to fix Code 43 errors.1

Link: https://github.com/LongQT-sea/intel-igpu-passthru

although so far i only tested on Linux and confirm it is working, it does sound very promising and much more straightforward compared to my previous method of i915_vbt.

remarks: i do not take any credit nor blaming, just to share this interesting method which worked very well for me.