Ryzen 9700X iGPU not being used by Proxmox

[arch14]

Hello,

I installed Proxmox 8.3 on my newish motherboard and CPU:

Motherboard: Gigabyte B650 Aorus Elite AX Ice
CPU: AMD Ryzen 9700x
GPU: EVGA GTX1050 SC GAMING 2GB G5

root@proxmox:~# pveversion -v
proxmox-ve: 8.3.0 (running kernel: 6.11.0-2-pve)
pve-manager: 8.3.2 (running version: 8.3.2/3e76eec21c4a14a7)
proxmox-kernel-helper: 8.1.0
proxmox-kernel-6.11.0-2-pve-signed: 6.11.0-2
proxmox-kernel-6.11: 6.11.0-2
proxmox-kernel-6.8: 6.8.12-6
proxmox-kernel-6.8.12-6-pve-signed: 6.8.12-6
proxmox-kernel-6.8.12-4-pve-signed: 6.8.12-4
ceph-fuse: 17.2.7-pve3
corosync: 3.1.7-pve3
criu: 3.17.1-2+deb12u1
glusterfs-client: 10.3-5
ifupdown2: 3.2.0-1+pmx11
ksm-control-daemon: 1.5-1
libjs-extjs: 7.0.0-5
libknet1: 1.28-pve1
libproxmox-acme-perl: 1.5.1
libproxmox-backup-qemu0: 1.4.1
libproxmox-rs-perl: 0.3.4
libpve-access-control: 8.2.0
libpve-apiclient-perl: 3.3.2
libpve-cluster-api-perl: 8.0.10
libpve-cluster-perl: 8.0.10
libpve-common-perl: 8.2.9
libpve-guest-common-perl: 5.1.6
libpve-http-server-perl: 5.1.2
libpve-network-perl: 0.10.0
libpve-rs-perl: 0.9.1
libpve-storage-perl: 8.3.3
libspice-server1: 0.15.1-1
lvm2: 2.03.16-2
lxc-pve: 6.0.0-1
lxcfs: 6.0.0-pve2
novnc-pve: 1.5.0-1
proxmox-backup-client: 3.3.2-1
proxmox-backup-file-restore: 3.3.2-2
proxmox-firewall: 0.6.0
proxmox-kernel-helper: 8.1.0
proxmox-mail-forward: 0.3.1
proxmox-mini-journalreader: 1.4.0
proxmox-offline-mirror-helper: 0.6.7
proxmox-widget-toolkit: 4.3.3
pve-cluster: 8.0.10
pve-container: 5.2.3
pve-docs: 8.3.1
pve-edk2-firmware: 4.2023.08-4
pve-esxi-import-tools: 0.7.2
pve-firewall: 5.1.0
pve-firmware: 3.14-2
pve-ha-manager: 4.0.6
pve-i18n: 3.3.2
pve-qemu-kvm: 9.0.2-4
pve-xtermjs: 5.3.0-3
qemu-server: 8.3.3
smartmontools: 7.3-pve1
spiceterm: 3.3.0
swtpm: 0.8.0+pve1
vncterm: 1.8.0
zfsutils-linux: 2.2.6-pve1

Questions:

I want to pass audio, keyboard, mouse and GPU to a Ubuntu VM and use it like a regular Linux machine similar to what Virtualbox offers. If I do that, would the dedicated GPU not be available to any other VMs? I want to use one LXC or VM for Plex.

Before I passthrough GPU, I noticed that AMD iGPU is not being used by Proxmox. It's using the Nvidia GPU.

root@proxmox:~# dmesg | grep -i drm
[    4.297948] ACPI: bus type drm_connector registered
[    4.299519] [drm] Initialized simpledrm 1.0.0 for simple-framebuffer.0 on minor 0
[    4.299799] simple-framebuffer simple-framebuffer.0: [drm] fb0: simpledrmdrmfb frame buffer device
[    7.132328] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm...
[    7.135511] systemd[1]: modprobe@drm.service: Deactivated successfully.
[    7.135541] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm.
[    8.427191] [drm] amdgpu kernel modesetting enabled.
[    8.430572] [drm] initializing kernel modesetting (IP DISCOVERY 0x1002:0x13C0 0x1458:0xD000 0xC5).
[    8.430577] [drm] register mmio base: 0xF6700000
[    8.430578] [drm] register mmio size: 524288
[    8.432086] [drm] add ip block number 0 <nv_common>
[    8.432087] [drm] add ip block number 1 <gmc_v10_0>
[    8.432087] [drm] add ip block number 2 <navi10_ih>
[    8.432088] [drm] add ip block number 3 <psp>
[    8.432088] [drm] add ip block number 4 <smu>
[    8.432089] [drm] add ip block number 5 <dm>
[    8.432090] [drm] add ip block number 6 <gfx_v10_0>
[    8.432090] [drm] add ip block number 7 <sdma_v5_2>
[    8.432091] [drm] add ip block number 8 <vcn_v3_0>
[    8.432092] [drm] add ip block number 9 <jpeg_v3_0>
[    8.436988] [drm] vm size is 262144 GB, 4 levels, block size is 9-bit, fragment size is 9-bit
[    8.437000] [drm] Detected VRAM RAM=512M, BAR=512M
[    8.437000] [drm] RAM width 128bits DDR5
[    8.437044] [drm] amdgpu: 512M of VRAM memory ready
[    8.437045] [drm] amdgpu: 15599M of GTT memory ready.
[    8.437056] [drm] GART: num cpu pages 262144, num gpu pages 262144
[    8.437154] [drm] PCIE GART of 1024M enabled (table at 0x000000F41FC00000).
[    8.437387] [drm] Loading DMUB firmware via PSP: version=0x05001C00
[    8.437627] [drm] use_doorbell being set to: [true]
[    8.437636] [drm] Found VCN firmware Version ENC: 1.33 DEC: 4 VEP: 0 Revision: 3
[    8.524621] [drm] Seamless boot condition check passed
[    8.525465] [drm] Display Core v3.2.291 initialized on DCN 3.1.5
[    8.525467] [drm] DP-HDMI FRL PCON supported
[    8.526196] [drm] DMUB hardware initialized: version=0x05001C00
[    8.527420] [drm] kiq ring mec 2 pipe 1 q 0
[    8.533183] [drm] Initialized amdgpu 3.58.0 for 0000:11:00.0 on minor 1
[    8.535066] amdgpu 0000:11:00.0: [drm] Cannot find any crtc or sizes
[    8.535081] [drm] DSC precompute is not needed.
[    8.571249] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
[    8.571251] nouveau 0000:01:00.0: DRM: GART: 536870912 MiB
[    8.571252] nouveau 0000:01:00.0: DRM: BIT table 'A' not found
[    8.571253] nouveau 0000:01:00.0: DRM: BIT table 'L' not found
[    8.571254] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[    8.572413] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[    8.574321] [drm] Initialized nouveau 1.4.0 for 0000:01:00.0 on minor 0
[    8.681163] fbcon: nouveaudrmfb (fb0) is primary device
[    8.828048] nouveau 0000:01:00.0: [drm] fb0: nouveaudrmfb frame buffer device