To avoid hw doing anythings after we disabled PCIE GART, fully
disable IRQ at suspend. Also cleanup a bit the ih structure
and process function.
Signed-off-by: NJerome Glisse <jglisse@redhat.com>
Reviewed-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@linux.ie>