[Bug 72864] [HSW ULT/BYT]igt/kms_cursor_crc fails with eDP

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72864

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED
            Summary|[HSW                        |[HSW
                   |ULT/BDW]igt/kms_cursor_crc  |ULT/BYT]igt/kms_cursor_crc
                   |fails with eDP              |fails with eDP

--- Comment #21 from lu hua <huax.lu at intel.com> ---
(In reply to Paulo Zanoni from comment #20)
> Please test this patch: http://patchwork.freedesktop.org/patch/35237/
> 
> It solves the problem for me, on BDW.

Test on latest -nightly kernel, It works well on BDW. It still fails on BYT.

Apply this patch and test on BYT, it still fails.
output:
IGT-Version: 1.8-gbba1cd0 (x86_64) (Linux: 3.17.0_kcloud_1fae80_20141020+
x86_64)
Beginning cursor-128x128-offscreen on pipe A, connector eDP-1
.Test assertion failure function do_single_test, file kms_cursor_crc.c:131:
Failed assertion: igt_crc_equal(&crc, &ref_crc)
Subtest cursor-128x128-offscreen: FAIL (3.246s)

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