*-display
       description: VGA compatible controller
       product: Cayman PRO [Radeon HD 6950]
       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: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=fglrx_pci latency=0
       resources: irq:37 memory:d0000000-dfffffff memory:fea20000-fea3ffff ioport:e000(size=256) memory:fea00000-fea1ffff

OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: AMD Radeon HD 6900 Series
OpenGL core profile version string: 4.3.13374 Core Profile Context 15.20.1013
OpenGL core profile shading language version string: 4.40
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.4.13374 Compatibility Profile Context 15.20.1013
OpenGL shading language version string: 4.40
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL extensions: