[Bug 83640] [BDW] Missing VBlank interuptions on some pipes making some kms tests and subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83640

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #9 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to Paulo Zanoni from comment #7)
> Created attachment 107489 [details] [review]
> Possible fix
> 
> Hi
> 
> Can you please test this patch? It fixes some problems I can reproduce.
> 
> Thanks,
> Paulo

The failure unable to reproduce with this patch.

root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_plane
--run-subtest plane-position-covered-pipe-C-plane-1
IGT-Version: 1.8-g6a8d33c (x86_64) (Linux: 3.17.0-rc5_kcloud_89363e_20141008+
x86_64)
Test requirement not met in function drm_open_any_master, file drmtest.c:341:
Test requirement: drmSetMaster(fd) == 0
Can't become DRM master, please check if no other DRM client is running.
Last errno: 22, Invalid argument
Subtest plane-position-covered-pipe-C-plane-1: SKIP
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_plane
--run-subtest plane-panning-bottom-right-pipe-B-plane-1
IGT-Version: 1.8-g6a8d33c (x86_64) (Linux: 3.17.0-rc5_kcloud_89363e_20141008+
x86_64)
Test requirement not met in function drm_open_any_master, file drmtest.c:341:
Test requirement: drmSetMaster(fd) == 0
Can't become DRM master, please check if no other DRM client is running.
Last errno: 22, Invalid argument
Subtest plane-panning-bottom-right-pipe-B-plane-1: SKIP
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_plane
--run-subtest plane-position-hole-pipe-B-plane-1
IGT-Version: 1.8-g6a8d33c (x86_64) (Linux: 3.17.0-rc5_kcloud_89363e_20141008+
x86_64)
Testing connector eDP-1 using pipe B plane 1
Subtest plane-position-hole-pipe-B-plane-1: SUCCESS (2.296s)

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