Maybe just me, should the nvidia-smi command still work if the gpu is isolated? I have mine isolated to passthrough to VM. Though I had to remove all the pci devices to start the VM now.
Anyhow here is the relevant section.
01:00.0 VGA compatible controller: NVIDIA Corporation TU116 [GeForce GTX 1650] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd TU116 [GeForce GTX 1650]
Flags: fast devsel, IRQ 11, IOMMU group 1
Memory at a4000000 (32-bit, non-prefetchable) [disabled] [size=16M]
Memory at 90000000 (64-bit, prefetchable) [disabled] [size=256M]
Memory at a0000000 (64-bit, prefetchable) [disabled] [size=32M]
I/O ports at 4000 [disabled] [size=128]
Expansion ROM at a5000000 [disabled] [size=512K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Legacy Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [250] Latency Tolerance Reporting
Capabilities: [258] L1 PM Substates
Capabilities: [128] Power Budgeting <?>
Capabilities: [420] Advanced Error Reporting
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
Capabilities: [900] Secondary PCI Express
Capabilities: [bb0] Physical Resizable BAR
Kernel driver in use: vfio-pci
Kernel modules: nouveau, nvidia_current_drm, nvidia_current
01:00.1 Audio device: NVIDIA Corporation TU116 High Definition Audio Controller (rev a1)
Subsystem: Gigabyte Technology Co., Ltd TU116 High Definition Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 10, IOMMU group 1
Memory at a5080000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: vfio-pci
Kernel modules: snd_hda_intel
01:00.2 USB controller: NVIDIA Corporation TU116 USB 3.1 Host Controller (rev a1) (prog-if 30 [XHCI])
Subsystem: Gigabyte Technology Co., Ltd TU116 USB 3.1 Host Controller
Flags: fast devsel, IRQ 141, IOMMU group 1
Memory at a2000000 (64-bit, prefetchable) [size=256K]
Memory at a2040000 (64-bit, prefetchable) [size=64K]
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [b4] Power Management version 3
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
01:00.3 Serial bus controller [0c80]: NVIDIA Corporation TU116 USB Type-C UCSI Controller (rev a1)
Subsystem: Gigabyte Technology Co., Ltd TU116 USB Type-C UCSI Controller
Flags: bus master, fast devsel, latency 0, IRQ 11, IOMMU group 1
Memory at a5084000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [b4] Power Management version 3
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: vfio-pci
