From: Ville Syrjälä <[email protected]>
Don't use the rounded vrefresh info to predict the frame duration.
Instead calculate if from the clock.
---
tests/kms_flip.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tests/kms_flip.c b/tests/kms_flip.c
index 227a176..f609ac0 100644
--- a/tests/kms_flip.c
+++ b/tests/kms_flip.c
@@ -431,7 +431,7 @@ static void page_flip_handler(int fd, unsigned int frame,
unsigned int sec,
static double frame_time(struct test_output *o)
{
- return 1000.0 * 1000.0 / o->kmode[0].vrefresh;
+ return 1000.0 * o->kmode[0].htotal * o->kmode[0].vtotal /
o->kmode[0].clock;
}
static void fixup_premature_vblank_ts(struct test_output *o,
@@ -1017,7 +1017,7 @@ static void check_final_state(struct test_output *o,
struct event_state *es,
int count = es->count;
count *= es->seq_step;
- expected = elapsed * o->kmode[0].vrefresh / (1000 * 1000);
+ expected = elapsed / frame_time(o);
igt_assert_f(count >= expected * 99/100 && count <= expected *
101/100,
"dropped frames, expected %d, counted %d, encoder
type %d\n",
expected, count, o->kencoder[0]->encoder_type);
--
1.8.1.5
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