Interrupts only work with MSIs.
https://bugs.freedesktop.org/show_bug.cgi?id=37679Reported-by: NDmitry Podgorny <pasis.uax@gmail.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: NDave Airlie <airlied@redhat.com>