[Bug 78418] New: [BDW]Some subcases of igt//kms_fbc_crc skip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78418

          Priority: medium
            Bug ID: 78418
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW]Some subcases of igt//kms_fbc_crc 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 98659
  --> https://bugs.freedesktop.org/attachment.cgi?id=98659&action=edit
dmesg

*System Environment:
--------------------------
Regression: No.  
The cases always skipped

Non-working platforms: BDW

 *kernel: 
--------------------------
-nightly: 5e83a7964e9530e6f693a3d49adccceb7a4b86e1 (fails)
-queued: d9ceb957fd97836c7fb0e403062e68ad2f737021 (fails)
    Author: Ben Widawsky <benjamin.widawsky at intel.com>
    Date:   Mon Apr 28 17:18:28 2014 -0700

    drm/i915: Support 64b relocations

    All the rest of the code to enable this is in my branch. Without my
    branch, hitting > 32b offsets is impossible. The code has always
    "supported" 64b, but it's never actually been run of tested. This change
    doesn't actually fix anything. [1] I am not sure why X won't work yet. I
    do not get hangs or obvious errors.

    There are 3 fixes grouped together here. First is to remove the
    hardcoded 0 for the upper dword of the relocation. The next fix is to
    use a 64b value for target_offset. The final fix is to not directly
    apply target_offset to reloc->delta. reloc->delta is part of ABI, and so
    we cannot change it. As it stands, 32b is enough to represent everything
    we're interested in representing anyway. The main problem is, we cannot
    add greater than 32b values to it directly.

    [1] Almost all of intel-gpu-tools is not yet ready to test 64b
    relocations. There are a few places that expect 32b values for offsets
    and these all won't work.

    Cc: Rafael Barbalho <rafael.barbalho at intel.com>
    Cc: Chris Wilson <chris at chris-wilson.co.uk>
    Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
    Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

-fixes: 9bbfd20abe5025adbb0ac75160bd2e41158a9e83 (fails)
    Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
    Date:   Tue Apr 29 11:00:22 2014 -0300

    drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX

    Because the docs say ULX doesn't support it on HSW.

    Reviewed-by: Dave Airlie <airlied at redhat.com>
    Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
    Signed-off-by: Jani Nikula <jani.nikula at intel.com>

 *Bug detailed description:
-----------------------------
FBC was enabled on BDW by default, Some subcases of igt/kms_fbc_crc still skip


Output:
 ./kms_fbc_crc
IGT-Version: 1.6-g7935bbd (x86_64) (Linux:
3.15.0-rc3_drm-intel-next-queued_bf67a6_20140507+ x86_64)
Beginning page_flip on crtc 5, connector 14
Test assertion failure function test_crc, file kms_fbc_crc.c:314:
Last errno: 0, Success
Failed assertion: igt_crc_equal(&crcs[0], &data->ref_crc[1])
Subtest page_flip: FAIL
Beginning mmap_cpu on crtc 5, connector 14

mmap_cpu on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest mmap_cpu: SKIP
Beginning mmap_gtt on crtc 5, connector 14

mmap_gtt on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest mmap_gtt: SKIP
Beginning blt on crtc 5, connector 14

blt on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest blt: SKIP
Beginning render on crtc 5, connector 14

render on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest render: SKIP
Beginning context on crtc 5, connector 14

context on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest context: SKIP
Beginning page_flip_and_mmap_cpu on crtc 5, connector 14

page_flip_and_mmap_cpu on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest page_flip_and_mmap_cpu: SKIP
Beginning page_flip_and_mmap_gtt on crtc 5, connector 14

page_flip_and_mmap_gtt on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest page_flip_and_mmap_gtt: SKIP
Beginning page_flip_and_blt on crtc 5, connector 14

page_flip_and_blt on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest page_flip_and_blt: SKIP
Beginning page_flip_and_render on crtc 5, connector 14

page_flip_and_render on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest page_flip_and_render: SKIP
Beginning page_flip_and_context on crtc 5, connector 14

page_flip_and_context on crtc 5, connector 14: PASSED

Test requirement not met in function prepare_crtc, file kms_fbc_crc.c:385:
Last errno: 0, Success
Test requirement: (!fbc_enabled(data))
Subtest page_flip_and_context: SKIP
"

 *Reproduce steps:
---------------------------- 
1. ./kms_fbc_crc

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