igt@kms_setmode@basic* - fail - Test assertion failure function check_timings, Failed assertion: accuracy < line_time(kmode)

https://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1932384353?query_key=d0564a4afc07b3d0335c528d02a2117f18e9a841

Starting dynamic subtest: pipe-B-HDMI-A-4
(kms_setmode:1164) CRITICAL: Test assertion failure function check_timings, file ../tests/kms_setmode.c:546:
(kms_setmode:1164) CRITICAL: Failed assertion: accuracy < line_time(kmode)
(kms_setmode:1164) CRITICAL: vblank accuracy (37.691us, 0.2%) worse than a scanline (14.815us)
Dynamic subtest pipe-B-HDMI-A-4 failed.
**** DEBUG ****
(kms_setmode:1164) INFO:   Test id#2 CRTC count 1
(kms_setmode:1164) INFO:     CRTC[170] [Pipe B] Mode: 1920x1080@60Hz Connectors: HDMI-A-4[356]
(kms_setmode:1164) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080, format=XR24(0x34325258), modifier=0x0, size=0)
(kms_setmode:1164) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=8, pitch=7680)
(kms_setmode:1164) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
(kms_setmode:1164) intel_blt-DEBUG: Test requirement passed: cmds_info
(kms_setmode:1164) intel_blt-DEBUG: Test requirement passed: cmds_info
(kms_setmode:1164) igt_fb-DEBUG: Test requirement passed: gem_has_contexts(fb->fd)
(kms_setmode:1164) intel_allocator_reloc-DEBUG: Using reloc allocator
(kms_setmode:1164) intel_blt-DEBUG: Test requirement passed: cmds_info
(kms_setmode:1164) intel_blt-DEBUG: Test requirement passed: cmds_info