I am using nouveau
lspci -k says
01:00.0 VGA compatible controller: NVIDIA Corporation GM107GL [Quadro K620] (rev a2) Subsystem: NVIDIA Corporation GM107GL [Quadro K620] Kernel driver in use: nouveau Kernel modules: nvidiafb, nouveau
I am using nouveau
lspci -k says
01:00.0 VGA compatible controller: NVIDIA Corporation GM107GL [Quadro K620] (rev a2)
Subsystem: NVIDIA Corporation GM107GL [Quadro K620]
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau