[Bug 91578] [HSW BDW] kms_pipe_crc_basic read-crc-pipe-X-frame-sequence fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91578

--- Comment #12 from Mika Kahola <mika.kahola at intel.com> ---
Created attachment 119538
  --> https://bugs.freedesktop.org/attachment.cgi?id=119538&action=edit
dmesg output

running the ./tests/kms_pipe_crc_basic --r read-crc-pipe-A-frame-sequence with
the latest -nightly. Here's the dmesg output of the test with drm.debug=0x1e 

The test result
IGT-Version: 1.12-g5ec54d8 (x86_64) (Linux: 4.3.0-2015-11-10-13.50-drm-intel
x86_64)
read-crc-pipe-A-frame-sequence: Testing connector VGA-1 using pipe A
Timed out: CRC reading
Subtest read-crc-pipe-A-frame-sequence failed.
**** DEBUG ****
Test requirement passed: !(pipe >= data->display.n_pipes)
read-crc-pipe-A-frame-sequence: Testing connector VGA-1 using pipe A
display: VGA-1: set_pipe(A)
Clearing the fb with color (0,00,1,00,0,00)
igt_create_fb_with_bo_size(width=1920, height=1200, format=0x34325258 [bpp=32],
tiling=0x0, size=0)
igt_create_fb_with_bo_size(handle=1, pitch=7680)
display: A.0: plane_set_fb(46)
display: commit {
display:     VGA-1: Selecting pipe A
display:     DP-1: Selecting pipe B
display:     VGA-1: SetCrtc pipe A, fb 46, panning (0, 0), mode 1920x1200
display: }
Timed out: CRC reading
****  END  ****
Subtest read-crc-pipe-A-frame-sequence: FAIL (5,166s)

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