[Bug 59999] [pnv,gm45] kms_flip error: inter-flip ts jitter

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59999

Guo Jinxian <jinxianx.guo at intel.com> changed:

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

--- Comment #12 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #10)
> Here's a git branch with some vblank related fixes:
> git://gitorious.org/vsyrjala/linux.git scanout_new_5
> 
> Please test it and let us know if it fixes the problems.


I test the branch above. It still happens on GM45 when run following cases:
igt/kms_flip/blocking-wf_vblank
igt/kms_flip/flip-vs-absolute-wf_vblank
igt/kms_flip/flip-vs-blocking-wf-vblank
igt/kms_flip/flip-vs-wf_vblank
igt/kms_flip/plain-flip-fb-recreate
igt/kms_flip/plain-flip-ts-check
igt/kms_flip/wf_vblank-ts-check

run: ./kms_flip --run-subtest blocking-wf_vblank
Using monotonic timestamps
Beginning blocking-wf_vblank on crtc 3, connector 5
  1280x800 60 1280 1296 1344 1415 800 801 804 816 0xa 0x48 69300
..inter-vblank ts jitter: 0s, 16779us

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