drm/nouveau/tmr: ack interrupt before processing alarms

commit 3733bd8b40 upstream.

Fixes a race where we can miss an alarm that triggers while we're already
processing previous alarms.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ben Skeggs 2017-05-11 16:53:42 +10:00 • committed by Greg Kroah-Hartman
commit 16e10490d2