AMD Radeon HD 6370M Drivers

I’ve got laptop Lenovo G570
i5 2430, AMD Radeon HD 6370M (DirectX11, SM 5.0, OpenGL 4.1).

OS:OpenSuse 12.1

I would like use it with external screen so I’ve tried to install AMD drivers but after installation I had problem Catalyst initial error (driver not properly or not installed at all) after reboot
X server dies and init3 only available.