sna: Use the coarse monotonic clock to coalesce wakeup events

For the long interval events (such as expiring the caches), we do not
need precise timing and so can use a coarse timer to allow the system
to coalesce and reduce wakeup events.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/sna/sna.h b/src/sna/sna.h
index bd6c8a19..3c5d56b3 100644
--- a/src/sna/sna.h
+++ b/src/sna/sna.h
@@ -216,6 +216,7 @@ enum {
 	INACTIVE_TIMER,
 	NUM_TIMERS
 };
+#define NUM_FINE_TIMERS 1
 
 struct sna {
 	ScrnInfoPtr scrn;