drm/amdgpu/gfx6: drop some dead code

}

static void gfx_v6_0_cp_compute_fini(struct amdgpu_device *adev)

{

	int i, r;

	for (i = 0; i < adev->gfx.num_compute_rings; i++) {

		struct amdgpu_ring *ring = &adev->gfx.compute_ring[i];

		if (ring->mqd_obj) {

			r = amdgpu_bo_reserve(ring->mqd_obj, false);

			if (unlikely(r != 0))

				dev_warn(adev->dev, "(%d) reserve MQD bo failed\n", r);

			amdgpu_bo_unpin(ring->mqd_obj);

			amdgpu_bo_unreserve(ring->mqd_obj);

			amdgpu_bo_unref(&ring->mqd_obj);

			ring->mqd_obj = NULL;

		}

	}

}

static int gfx_v6_0_cp_compute_resume(struct amdgpu_device *adev)

{

	struct amdgpu_ring *ring;

	for (i = 0; i < adev->gfx.num_compute_rings; i++)

		amdgpu_ring_fini(&adev->gfx.compute_ring[i]);

	gfx_v6_0_cp_compute_fini(adev);

	gfx_v6_0_rlc_fini(adev);

	return 0;