[Bug 90507] New: [BSW] igt/kms_cursor_crc some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90507

            Bug ID: 90507
           Summary: [BSW] igt/kms_cursor_crc some subcases fail
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: bin.a.xu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115876
  --> https://bugs.freedesktop.org/attachment.cgi?id=115876&action=edit
dmesg

==System Environment==
--------------------------
Regression: No. I can't find a good commit.
Non-working platform: Braswell


==kernel==
--------------------------
-nightly: 6cf0fff478fa64991c2b7f2a44f2815d7a43a0b5 (fails)
    drm-intel-nightly: 2015y-05m-13d-09h-28m-49s UTC integration manifest
-queued: 65de797816eadb227c45b0127d7ff92410fa3814 (fails)
    drm/edid: fix a debug message
-fixes: 364aece01a2dd748fc36a1e8bf52ef639b0857bd (fails)
 drm/i915: Avoid GPU hang when coming out of s3 or s4


==Bug detailed description==
-----------------------------
igt/kms_cursor_crc some subcases fail,
Case lise as follows:
1. igt/kms_cursor_crc/cursor-256x256-onscreen
2. igt/kms_cursor_crc/cursor-256x256-random
3. igt/kms_cursor_crc/cursor-256x256-sliding

Output:
IGT-Version: 1.10-g992f9f6 (x86_64) (Linux:
4.1.0-rc3_drm-intel-nightly_6cf0ff_20150514+ x86_64)
Beginning cursor-256x256-onscreen on pipe A, connector eDP-1
............................
cursor-256x256-onscreen on pipe A, connector eDP-1: PASSED

Beginning cursor-256x256-onscreen on pipe B, connector eDP-1
.Test assertion failure function igt_assert_crc_equal, file igt_debugfs.c:207:
Failed assertion: a->crc[i] == b->crc[i]
error: 0x4f7abb != 0xcc4ac
Stack trace:
  #0 [__igt_fail_assert+0xfc]
  #1 [igt_assert_crc_equal+0x82]
  #2 [do_single_test+0x138]
  #3 [do_test+0x1e]
  #4 [test_crc_onscreen+0x4d]
  #5 [run_test.constprop.3+0x212]
  #6 [run_test_generic.constprop.1+0x572]
  #7 [__real_main556+0x120]
  #8 [main+0x21]
  #9 [__libc_start_main+0xf5]
  #10 [_start+0x29]
  #11 [<unknown>+0x29]
Subtest cursor-256x256-onscreen failed.
**** DEBUG ****
commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, disabling
display: }
display: commit {
display:     eDP-1: Selecting pipe A
display: }
display: A.3: plane_set_fb(51)
display: A.3: plane_set_size(256,256)
display: A.3: plane_set_position(-255,-255)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, fb 1 256x256
display:     eDP-1: MoveCursor pipe A, (-255, -255)
display: }
display: A.3: plane_set_fb(0)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, disabling
display: }
display: commit {
display:     eDP-1: Selecting pipe A
display: }
display: A.3: plane_set_fb(51)
display: A.3: plane_set_size(256,256)
display: A.3: plane_set_position(1919,-255)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, fb 1 256x256
display:     eDP-1: MoveCursor pipe A, (1919, -255)
display: }
display: A.3: plane_set_fb(0)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, disabling
display: }
display: commit {
display:     eDP-1: Selecting pipe A
display: }
display: A.3: plane_set_fb(51)
display: A.3: plane_set_size(256,256)
display: A.3: plane_set_position(1919,1079)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, fb 1 256x256
display:     eDP-1: MoveCursor pipe A, (1919, 1079)
display: }
display: A.3: plane_set_fb(0)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, disabling
display: }
display: commit {
display:     eDP-1: Selecting pipe A
display: }
display: A.3: plane_set_fb(51)
display: A.3: plane_set_size(256,256)
display: A.3: plane_set_position(-255,1079)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, fb 1 256x256
display:     eDP-1: MoveCursor pipe A, (-255, 1079)
display: }
display: A.3: plane_set_fb(0)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCursor pipe A, disabling
display: }
display: commit {
display:     eDP-1: Selecting pipe A
display: }

cursor-256x256-onscreen on pipe A, connector eDP-1: PASSED

display: A.0: plane_set_fb(0)
display: eDP-1: set_pipe(any)
display: commit {
display:     eDP-1: Selecting pipe A
display:     eDP-1: SetCrtc pipe A, disabling
display: }
display: eDP-1: set_pipe(B)
display: B.3: plane_set_fb(0)
display: commit {
display:     eDP-1: Selecting pipe B
display:     eDP-1: SetCursor pipe B, disabling
display: }
igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258 [bpp=32],
tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=2, pitch=7680)
display: B.0: plane_set_fb(50)
display: commit {
display:     eDP-1: Selecting pipe B
display:     eDP-1: SetCrtc pipe B, fb 50, panning (0, 0), mode 1920x1080
display: }
display: B.3: plane_set_fb(0)
Beginning cursor-256x256-onscreen on pipe B, connector eDP-1
display: B.3: plane_set_fb(51)
display: B.3: plane_set_size(256,256)
display: B.3: plane_set_position(0,0)
display: commit {
display:     eDP-1: Selecting pipe B
display:     eDP-1: SetCursor pipe B, fb 1 256x256
display:     eDP-1: MoveCursor pipe B, (0, 0)
display: }
display: B.3: plane_set_fb(0)
display: commit {
display:     eDP-1: Selecting pipe B
display:     eDP-1: SetCursor pipe B, disabling
display: }
display: commit {
display:     eDP-1: Selecting pipe B
display: }
Test assertion failure function igt_assert_crc_equal, file igt_debugfs.c:207:
Failed assertion: a->crc[i] == b->crc[i]
error: 0x4f7abb != 0xcc4ac
****  END  ****
Subtest cursor-256x256-onscreen: FAIL (16.425s)


==Reproduce steps==
---------------------------- 
./kms_cursor_crc --run-subtest cursor-256x256-onscreen

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