[Bug 100047] [SKL][IGT] kms_sysfs_edid_timing test assertion failure

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100047

--- Comment #2 from maria guadalupe <maria.g.perez.ibarra at intel.com> ---
The issue is present over GLK with the following configuration :

Steps
=======
Run igt test:
./kms_sysfs_edid_timing

 Software
======================================
kernel version              : 4.11.0-rc6-drm-tip-ww16-commit-6184edc+
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 41.51
bios release date           : 03/31/2017
ksc                         : 1.25

======================================
        Graphic drivers
======================================
xorg-xserver                : 1.18.4
libdrm                      : 2.4.79
cairo                       : 1.15.5
xserver                     : X.Org X Server 1.18.4
intel-gpu-tools (tag)       : intel-gpu-tools-1.18-73-gd8b83aa
intel-gpu-tools (commit)    : d8b83aa

======================================
             Hardware
======================================
platform                  : Geminilake
motherboard id             : GLKRVP1DDR4(05)
cpu family id              : 6
cpu information            : Genuine Intel(R) CPU @ 1.10GHz
gpu card                   : Intel Corporation Device 3184 (rev 01) (prog-if 00
[VGA controller])
memory ram                 : 7.64 GB
max memory ram             : 16 GB
cpu thread                 : 4
cpu core                   : 4
cpu model                  : 122
hard drive                 : 223GiB (240GB)
current cd clock frequency : 316800 kHz
maximum cd clock frequency : 316800 kHz

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.4

output
======================================
**** DEBUG ****
(kms_sysfs_edid_timing:2497) DEBUG: card0-HDMI-A-2: mean.max 85525654.00ns,
85525.65us, 85.53ms, mean.avg 83889216.27ns, 83889.22us, 83.89ms
(kms_sysfs_edid_timing:2497) WARNING: card0-HDMI-A-2: probe time exceed 10ms,
max=85.53ms, avg=83.89ms
(kms_sysfs_edid_timing:2497) CRITICAL: Test assertion failure function
__real_main40, file kms_sysfs_edid_timing.c:92:
(kms_sysfs_edid_timing:2497) CRITICAL: Failed assertion: mean.mean <
(THRESHOLD_TOTAL * 1e6)
(kms_sysfs_edid_timing:2497) CRITICAL: card0-HDMI-A-2: average probe time
exceeded 50ms, max=85.53ms, avg=83.89ms
****  END  ****

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