[Bug 99912] [IGT] kms_setmode at basic test fails vblank accuracy (18.018us, 0.1%) worse than a scanline

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99912

--- Comment #37 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
This tests has pass successfully on KBL/BDW QA 
Test list:
igt at kms_setmode@basic

This tests has pass successfully on CNL/CFL/GLK/KBL/BXT/SKL/BDW/HSW/BYT/IVB/SNB
QA 
Test list:
igt at kms_setmode@invalid-clone-single-crtc-stealing

This tests continue failing on BSW QA 
Tests List:
igt at kms_setmode@invalid-clone-single-crtc-stealing

output sample:
(kms_setmode:20593) CRITICAL: Test assertion failure function test_stealing,
file kms_setmode.c:398:
(kms_setmode:20593) CRITICAL: Failed assertion: ret == 0
(kms_setmode:20593) CRITICAL: Last errno: 22, Invalid argument
(kms_setmode:20593) CRITICAL: error: -22 != 0
Subtest invalid-clone-single-crtc-stealing failed.

This tests continue failing on CNL/CFL/GLK/BXT/SKL/BSW/HSW/BYT/IVB/SNB QA 
Tests List:
igt at kms_setmode@basic

Output sample:
(kms_setmode:11758) CRITICAL: Test assertion failure function check_timings,
file kms_setmode.c:494:
(kms_setmode:11758) CRITICAL: Failed assertion: accuracy < line_time(kmode)
(kms_setmode:11758) CRITICAL: vblank accuracy (11.559us, 0.1%) worse than a
scanline (11.251us)
Subtest basic failed.

software:
IGT-Version: 1.21-g2b64cac (x86_64) (Linux:
4.16.0-rc1-drm-intel-qa-ww7-commit-8a1ed24+ x86_64)

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