/usr/sbin/hwinfo --gfxcard

sebastian@MasterStationLinux:~> /usr/sbin/hwinfo --gfxcard
23: PCI 100.0: 0300 VGA compatible controller (VGA)
  [Created at pci.319]
  Unique ID: VCu0.m79mb9qSFMC
  Parent ID: vSkL.DrQ0qcY6Yd1
  SysFS ID: /devices/pci0000:00/0000:00:01.0/0000:01:00.0
  SysFS BusID: 0000:01:00.0
  Hardware Class: graphics card
  Model: "ATI VGA compatible controller"
  Vendor: pci 0x1002 "ATI Technologies Inc"
  Device: pci 0x68f9
  SubVendor: pci 0x174b "PC Partner Limited"
  SubDevice: pci 0xe153
  Driver: "fglrx_pci"
  Driver Modules: "fglrx"
  Memory Range: 0xd0000000-0xdfffffff (ro,non-prefetchable)
  Memory Range: 0xfbfe0000-0xfbffffff (rw,non-prefetchable)
  I/O Ports: 0xd000-0xdfff (rw)
  Memory Range: 0xfbfc0000-0xfbfdffff (ro,non-prefetchable,disabled)
  IRQ: 45 (81103 events)
  I/O Ports: 0x3c0-0x3df (rw)
  Module Alias: "pci:v00001002d000068F9sv0000174Bsd0000E153bc03sc00i00"
  Driver Info #0:
    Driver Status: radeon is not active
    Driver Activation Cmd: "modprobe radeon"
  Driver Info #1:
    Driver Status: fglrx is active
    Driver Activation Cmd: "modprobe fglrx"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #8 (PCI bridge)

Primary display adapter: #23