On 08/08/2017 12:51 AM, Lofstedt, Marta wrote:
Thanks Clinton!
If you add:
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100047
You have my Rb.
/Marta
Thanks Marta,
However I'm going to extend the functionality to read the EDID
block size like Daniel suggested. During testing today of the new edid
size read SKL passed and IVB failed. This may be a result of an actual
HDMI port vs LSPCON. More testing is required before I have a actual
working test.
-Clint
-----Original Message-----
From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf
Of clinton.a.taylor@xxxxxxxxx
Sent: Friday, August 4, 2017 9:23 PM
To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: [PATCH i-g-t] tests/kms: increase max threshold time for
edid read
From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
Current 50ms max threshold timing for an EDID read is very close to the
actual time for a 2 block HDMI EDID read of 48ms. Any delay like a clock
stretch by the EDID eeprom will cause this test to fail. A 4 block HDMI EDID
read takes approximately 88ms under nominal conditions, making the max
threshold 95ms will allow this test to pass regardless of monitor attached.
Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
---
tests/kms_sysfs_edid_timing.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tests/kms_sysfs_edid_timing.c b/tests/kms_sysfs_edid_timing.c
index 1201388..b45e080 100644
--- a/tests/kms_sysfs_edid_timing.c
+++ b/tests/kms_sysfs_edid_timing.c
@@ -27,14 +27,14 @@
#include <sys/stat.h>
#define THRESHOLD_PER_CONNECTOR 10
-#define THRESHOLD_TOTAL 50
+#define THRESHOLD_TOTAL 95
#define CHECK_TIMES 15
IGT_TEST_DESCRIPTION("This check the time we take to read the content of
all "
"the possible connectors. Without the edid -
ENXIO patch "
"(http://permalink.gmane.org/gmane.comp.video.dri.devel/62083),"
- "we sometimes take a *really* long time. "
- "So let's just check for some reasonable
timing here");
+ "we sometimes take a *really* long time. So
let's just "
+ "check an approximate HDMI 4 block edid
read timing here");
igt_simple_main
--
1.9.1
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