Even with all sink crc re-works we still have platforms
where after 6 vblanks it is unable to calculate the
sink crc. But if we don't get the sink crc it isn't true
that test failed, but that we have no ways to say test
passed or failed.
So let's print a message and move forward in case sink crc
cannot help us to know if the screen has been updated.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
tests/kms_frontbuffer_tracking.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
index cd2879d..606d0a9 100644
--- a/tests/kms_frontbuffer_tracking.c
+++ b/tests/kms_frontbuffer_tracking.c
@@ -858,10 +858,17 @@ static bool psr_wait_until_enabled(void)
static void get_sink_crc(sink_crc_t *crc)
{
+ int rc, errno_;
+
lseek(sink_crc.fd, 0, SEEK_SET);
- igt_assert(read(sink_crc.fd, crc->data, SINK_CRC_SIZE) ==
- SINK_CRC_SIZE);
+ rc = read(sink_crc.fd, crc->data, SINK_CRC_SIZE);
+ errno_ = errno;
+
+ if (rc == -1 && errno_ == ETIMEDOUT)
+ igt_skip("Sink CRC is unreliable on this machine. Try running this test again individually\n");
+
+ igt_assert(rc == SINK_CRC_SIZE);
}
static bool sink_crc_equal(sink_crc_t *a, sink_crc_t *b)
--
2.4.3
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