drm/nvc0/pfifo: semi-handle a couple more irqs

And also, don't disable PFIFO IRQs completely whenever we recieve one,
just when we don't know about it already.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-01-28 13:42:16 +10:00
commit cc8cd6479c