drm/radeon/kms: add info query for backend map

The 3D driver need to get the pipe to backend
map to certain things.  Add a query to get the
info.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-07-15 19:53:52 +00:00 committed by Dave Airlie
parent 28a4a163b5
commit e55b9422e1
8 changed files with 23 additions and 1 deletions

View file

@ -833,6 +833,7 @@ static void cayman_gpu_init(struct radeon_device *rdev)
rdev->config.cayman.tile_config |=
((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
rdev->config.cayman.backend_map = gb_backend_map;
WREG32(GB_BACKEND_MAP, gb_backend_map);
WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);