Render with OpenCL (Radeon HD 7950) is very dark

Hi.
I reinstall my system Windows 10 for using new card (Radeon HD 7950 3GB).
When I render benchmark BMW27.blend project (default settings, only change render to GPU) the output is dark and shady as you see below.
I tried Blender 2.78/2.77/2.76 and latest Crimson drivers and some earlier version (16.10, 16.6, 16.5). Always the same result.


I don’t know if GPU is used for rendering in Object Mode view but when I switch to rendered mode it render properly.


Do you have any idea what I missing or is it a defect?
Thank you.