1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/sync_gk20a.c b/drivers/gpu/nvgpu/gk20a/sync_gk20a.c
index 8740f0e2..e01c0e9a 100644
--- a/drivers/gpu/nvgpu/gk20a/sync_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/sync_gk20a.c
@@ -47,8 +47,9 @@ struct gk20a_sync_pt {
         ktime_t                         dep_timestamp;
 
         /*
-         * A spinlock is necessary since there are times when this lock
-         * will be acquired in interrupt context.
+         * Use a spin lock here since it will have better performance
+         * than a mutex - there should be very little contention on this
+         * lock.
          */
         spinlock_t                      lock;
 };