radeon_bo_ref     133 drivers/gpu/drm/radeon/radeon_object.h extern struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo);
radeon_bo_ref     508 drivers/gpu/drm/radeon/radeon_vm.c 		tmp->bo = radeon_bo_ref(bo_va->bo);
radeon_bo_ref    1133 drivers/gpu/drm/radeon/radeon_vm.c 		bo_va->bo = radeon_bo_ref(bo_va->bo);