intel_plane_compute_aligned_offset
offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 0);
offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1);
offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1);
offset = intel_plane_compute_aligned_offset(&src_x, &src_y,
offset = intel_plane_compute_aligned_offset(&src_x, &src_y,