amdgpu_atombios_copy_swap
void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
amdgpu_atombios_copy_swap(recv, base + 16, recv_bytes, false);
amdgpu_atombios_copy_swap(base, send, send_bytes, true);
amdgpu_atombios_copy_swap(buf, base, num, false);