bluex@Bluex-HP-15-Notebook-PC:~$  lshw -C video 
WARNING: you should run this program as super-user.
  *-display               
       description: VGA compatible controller
       product: Mullins [Radeon R4/R5 Graphics]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 1
       bus info: pci@0000:00:01.0
       version: 05
       width: 64 bits
       clock: 33MHz
       capabilities: vga_controller bus_master cap_list rom
       configuration: driver=fglrx_pci latency=0
       resources: irq:45 memory:e0000000-efffffff memory:f0000000-f07fffff ioport:4000(size=256) memory:f0f00000-f0f3ffff memory:f0f80000-f0f9ffff
  *-display
       description: Display controller
       product: Sun LE [Radeon HD 8550M / R5 M230]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list rom
       configuration: driver=fglrx_pci latency=0
       resources: irq:46 memory:d0000000-dfffffff memory:f0e00000-f0e3ffff ioport:3000(size=256) memory:f0e40000-f0e5ffff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.