[Bug 75593] [PNV]igt/kms_flip/dpms-vs-vblank-race fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75593

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #3 from lu hua <huax.lu at intel.com> ---
It also fails on Ivybridge. It works well on Ironlake, Snadybridge and
Broadwell.

output on IVB:
IGT-Version: 1.5-g20087e7 (x86_64) (Linux:
3.14.0-rc5_drm-intel-nightly_32faf6_20140310_debug+ x86_64)
Using monotonic timestamps
Beginning dpms-vs-vblank-race on crtc 3, connector 9
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x48 65000
.......
dpms-vs-vblank-race on crtc 3, connector 9: PASSED

Beginning dpms-vs-vblank-race on crtc 5, connector 9
  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x48 65000
Test assertion failure function run_test_step, file kms_flip.c:922:
Last errno: 22, Invalid argument
Failed assertion: __wait_for_vblank(TEST_VBLANK_BLOCK, o->pipe, 1, 0, &reply)
== 0
Subtest dpms-vs-vblank-race: FAIL

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