drm/amdgpu/gfx8: use cached raster config values in csb setup

Simplify the code and properly set the csb for harvest values.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-10-10 11:17:58 -04:00
commit 34817db6c7