Did you try running the command? It is infact, a definative way to see
exactly what driver is being used. As an example, my output is:
(@Magic Banana pay particular attention to the last line)
01:00.0 VGA compatible controller [0300]: nVidia Corporation G92 [GeForce
8800 GT] [10de:0611] (rev a2) (prog-if 00 [VGA controller])
Subsystem: eVga.com. Corp. Device [3842:c802]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
