After upgrading to 7.X, GPU hardware acceleration cannot be enabled. I learned from BBS that the new kernel is upgraded, and the graphics card still cannot work.
The environment is as follows:
root@pve:~# pveversion -v
proxmox-ve: 7.1-1 (running kernel: 5.15.7-1-pve)
pve-manager: 7.1-8...