From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Include diff.tv_secs in the jitter comparison.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
tests/kms_flip.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/tests/kms_flip.c b/tests/kms_flip.c
index 743e4ad8f673..7718e950b823 100644
--- a/tests/kms_flip.c
+++ b/tests/kms_flip.c
@@ -643,7 +643,6 @@ static void vblank_handler(int fd, unsigned int frame, unsigned int sec,
static void check_state(const struct test_output *o, const struct event_state *es)
{
struct timeval diff;
- double usec_interflip;
dump_event_state(es);
@@ -689,10 +688,13 @@ static void check_state(const struct test_output *o, const struct event_state *e
}
if ((o->flags & TEST_CHECK_TS) && (!analog_tv_connector(o))) {
+ double usec_interflip, usec_diff;
+
timersub(&es->current_ts, &es->last_ts, &diff);
- usec_interflip = (double)o->seq_step * frame_time(o);
+ usec_diff = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
- igt_assert_f(fabs((((double) diff.tv_usec) - usec_interflip) /
+ usec_interflip = o->seq_step * frame_time(o);
+ igt_assert_f(fabs((usec_diff - usec_interflip) /
usec_interflip) <= 0.005,
"inter-%s ts jitter: %ld.%06ld\n",
es->name, diff.tv_sec, diff.tv_usec);
--
2.7.4
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