[Bug 89525] New: [ILK]igt/kms_psr_sink_crc some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89525

            Bug ID: 89525
           Summary: [ILK]igt/kms_psr_sink_crc some subcases fail
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hengx.ding at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 114212
  --> https://bugs.freedesktop.org/attachment.cgi?id=114212&action=edit
dmesg

==System Environment==
--------------------------
Regression: No, I can't find a good commit.

Non-working platforms: ILK

==kernel==
--------------------------
origin/drm-intel-nightly: c09a3b7f343bc87a132ef107cb263e57f8246b88(2015-03-10
)

==Bug detailed description==
-----------------------------
[root at x-pk5 tests]# ./kms_psr_sink_crc --run-subtest sprite_mmap_gtt_waiting
IGT-Version: 1.9-g07be8fe (x86_64) (Linux:
4.0.0-rc3_drm-intel-nightly_c09a3b_20150310+ x86_64)
Test assertion failure function psr_enabled, file kms_psr_sink_crc.c:191:
Failed assertion: ret != 0
error: 0 == 0
Test kms_psr_sink_crc failed.
**** DEBUG ****
(kms_psr_sink_crc:3811) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
Test requirement passed: fd >= 0
Test requirement passed: fd >= 0
Test requirement passed: drmSetMaster(fd) == 0
VT: graphics mode set (mode was 0x0)
Test requirement passed: file
Test assertion failure function psr_enabled, file kms_psr_sink_crc.c:191:
Failed assertion: ret != 0
error: 0 == 0
****  END  ****
Subtest sprite_mmap_gtt_waiting: FAIL

All subcases failed the similar way.
affected cases:

igt/kms_psr_sink_crc/cursor_blt
igt/kms_psr_sink_crc/cursor_mmap_cpu
igt/kms_psr_sink_crc/cursor_mmap_gtt
igt/kms_psr_sink_crc/cursor_mmap_gtt_waiting
igt/kms_psr_sink_crc/cursor_plane_move
igt/kms_psr_sink_crc/cursor_plane_onoff
igt/kms_psr_sink_crc/cursor_render
igt/kms_psr_sink_crc/primary_blt
igt/kms_psr_sink_crc/primary_mmap_cpu
igt/kms_psr_sink_crc/primary_mmap_gtt
igt/kms_psr_sink_crc/primary_mmap_gtt_waiting
igt/kms_psr_sink_crc/primary_page_flip
igt/kms_psr_sink_crc/primary_render
igt/kms_psr_sink_crc/sprite_blt
igt/kms_psr_sink_crc/sprite_mmap_cpu
igt/kms_psr_sink_crc/sprite_mmap_gtt
igt/kms_psr_sink_crc/sprite_mmap_gtt_waiting
igt/kms_psr_sink_crc/sprite_plane_move
igt/kms_psr_sink_crc/sprite_plane_onoff
igt/kms_psr_sink_crc/sprite_render

==Reproduce steps==
---------------------------- 
1. /kms_psr_sink_crc --run-subtest sprite_mmap_gtt_waiting

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