Some subtest of kms_chv_cursor_fail fail on bxt:

Setup:
Platform BXT-P: APL system
CPU Name : Intel(R) Genuine Processor @ 1.1 GHz (family: 6, model: 12, stepping: 9) 4 cores
QDF : Q6HE
SoC : B1
CRB : Apollo Lake DDR3L RVP1A FAB2
Reworks: R19, R20

Software 
Bios: 144_B10 APLK_B0_IFWI_X64_R_2016_06_27_0956_SPI_RVP1.bin from \\gar\ec\proj\ba\CCG\APL BIOS\External\BIOS_Release\Daily\v144_10_2016_WW27.1\IFWI\IFWI_RVP1_Release\IFWI
KSC: 1.15
Linux distribution: Ubuntu 16.04 64 bits
DMC 1.07
GuC 8.7
kernel:  commit: 0a03ea9496b49746b4964d05cc1f483385d1df8a
         summary: 'drm-tip: 2017y-02m-20d-17h-19m-56s UTC integration manifest'
         author: Chris Wilson <chris@chris-wilson.co.uk>
         authored_date: Mon Feb 20 17:20:19 2017 +0000
intel-gpu-tool: intel-gpu-tools-1.17-242-gf2251a9

Actual results:
===============
kms_chv_cursor_fail --run-subtest pipe-A-128x128-right-edge 

IGT-Version: 1.17-gf2251a9 (x86_64) (Linux: 4.10.0-rc6-tip-201701310159+ x86_64)
Beginning pipe-A-128x128-right-edge on pipe A, connector eDP-1
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [igt_assert_crc_equal+0x78]
  #2 [test_edge_pos.constprop.7+0x24b]
  #3 [test_edge.constprop.6+0x116]
  #4 [test_crtc.constprop.2+0x4a0]
  #5 [main+0x3e6]
  #6 [__libc_start_main+0xf0]
  #7 [_start+0x29]
  #8 [<unknown>+0x29]
Subtest pipe-A-128x128-right-edge: FAIL (1.565s)
Test assertion failure function igt_assert_crc_equal, file igt_debugfs.c:295:
(kms_chv_cursor_fail:10282) igt-debugfs-CRITICAL: Failed assertion: a->crc[i] == b->crc[i]
(kms_chv_cursor_fail:10282) igt-debugfs-CRITICAL: Last errno: 11, Resource temporarily unavailable
(kms_chv_cursor_fail:10282) igt-debugfs-CRITICAL: error: 0x4a7dee0e != 0xf2870be0
Subtest pipe-A-128x128-right-edge failed.
**** DEBUG ****
(kms_chv_cursor_fail:10282) DEBUG: Test requirement passed: data.pipe < data.display.n_pipes
(kms_chv_cursor_fail:10282) DEBUG: Test requirement passed: data.curw <= max_curw && data.curh <= max_curh
(kms_chv_cursor_fail:10282) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=128, height=128, format=0x34325241, tiling=0x0, size=0)
(kms_chv_cursor_fail:10282) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=512)
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: eDP-1: set_pipe(A)
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: eDP-1: Selecting pipe A
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: A.3: plane_set_fb(0)
(kms_chv_cursor_fail:10282) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_chv_cursor_fail:10282) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: A.0: plane_set_fb(93)
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: commit {
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     eDP-1: Selecting pipe A
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     eDP-1: SetCrtc pipe A, fb 93, src (0, 0), mode 1920x1080
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetPlane pipe A, plane 1, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetPlane pipe A, plane 2, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetCursor pipe A, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetCrtc pipe B, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetPlane pipe B, plane 1, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetPlane pipe B, plane 2, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetCursor pipe B, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetCrtc pipe C, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetPlane pipe C, plane 1, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display:     SetCursor pipe C, disabling
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: }
(kms_chv_cursor_fail:10282) igt-debugfs-DEBUG: Using generic frame CRC ABI
(kms_chv_cursor_fail:10282) igt-kms-DEBUG: display: A.3: plane_set_fb(0)
(kms_chv_cursor_fail:10282) INFO: Beginning pipe-A-128x128-right-edge on pipe A, connector eDP-1
(kms_chv_cursor_fail:10282) DEBUG: [0] x=1792, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [1] x=1808, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [2] x=1824, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [3] x=1840, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [4] x=1856, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [5] x=1872, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [6] x=1888, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [7] x=1904, y=1080
(kms_chv_cursor_fail:10282) DEBUG: [8] x=1920, y=1080
(kms_chv_cursor_fail:10282) DEBUG: Checking CRCs: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] 
(kms_chv_cursor_fail:10282) DEBUG: [0] x=1920, y=929
(kms_chv_cursor_fail:10282) DEBUG: [1] x=1904, y=929
(kms_chv_cursor_fail:10282) DEBUG: [2] x=1888, y=929
(kms_chv_cursor_fail:10282) DEBUG: [3] x=1872, y=929
(kms_chv_cursor_fail:10282) DEBUG: [4] x=1856, y=929
(kms_chv_cursor_fail:10282) DEBUG: [5] x=1840, y=929
(kms_chv_cursor_fail:10282) DEBUG: [6] x=1824, y=929
(kms_chv_cursor_fail:10282) DEBUG: [7] x=1808, y=929
(kms_chv_cursor_fail:10282) DEBUG: [8] x=1792, y=929
(kms_chv_cursor_fail:10282) DEBUG: Checking CRCs: [0] [1] [2] [3] Test assertion failure function igt_assert_crc_equal, file igt_debugfs.c:295:
(kms_chv_cursor_fail:10282) igt-debugfs-CRITICAL: Failed assertion: a->crc[i] == b->crc[i]
(kms_chv_cursor_fail:10282) igt-debugfs-CRITICAL: Last errno: 11, Resource temporarily unavailable
(kms_chv_cursor_fail:10282) igt-debugfs-CRITICAL: error: 0x4a7dee0e != 0xf2870be0
****  END  ****