[Bug 83038] New: [HSW Regression]igt/kms_cursor_crc some subcases skip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83038

          Priority: high
            Bug ID: 83038
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW Regression]igt/kms_cursor_crc some subcases skip
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 105211
  --> https://bugs.freedesktop.org/attachment.cgi?id=105211&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes. 
Results of nightly test(13/8) were passed.
I am unable to find good commit on both kernel and IGT

Non-working platforms: HSW

==kernel==
--------------------------
origin/drm-intel-nightly: 257d90d13794c2eb545ab0d6c708f21e2a0378b6(fails)
    drm-intel-nightly: 2014y-08m-21d-10h-03m-09s integration manifest
origin/drm-intel-next-queued: 3a5f87c286515c54ff5c52c3e64d0c522b7570c0(causes
system hang bug 81483)
    drm: fix plane rotation when restoring fbdev configuration
origin/drm-intel-fixes: 1a125d8a2c22b11741fc47d4ffcf7a5ffa044dd3(fails)
    drm/i915: don't try to retrain a DP link on an inactive CRTC

==Bug detailed description==
igt/kms_cursor_crc some subcases skip

Case list:
igt/kms_cursor_crc/cursor-128-offscreen
igt/kms_cursor_crc/cursor-128-onscreen
igt/kms_cursor_crc/cursor-128-random
igt/kms_cursor_crc/cursor-128-sliding
igt/kms_cursor_crc/cursor-256-offscreen
igt/kms_cursor_crc/cursor-256-onscreen
igt/kms_cursor_crc/cursor-256-random
igt/kms_cursor_crc/cursor-256-sliding
igt/kms_cursor_crc/cursor-64-offscreen
igt/kms_cursor_crc/cursor-64-onscreen
igt/kms_cursor_crc/cursor-64-random
igt/kms_cursor_crc/cursor-64-sliding
igt/kms_cursor_crc/cursor-size-change


Output:
[root at x-hsw24 tests]# ./kms_cursor_crc --run-subtest cursor-128-offscreen
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux:
3.17.0-rc1_drm-intel-nightly_257d90_20140825+ x86_64)
Test requirement not met in function run_test, file kms_cursor_crc.c:331:
Test requirement: !(valid_tests)
no valid crtc/connector combinations found
Subtest cursor-128-offscreen: SKIP

==Reproduce steps==
---------------------------- 
1. ./kms_cursor_crc --run-subtest cursor-128-offscreen

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