[Bug 69693] [BYT]igt/kms_flip causes [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69693

--- Comment #6 from Qingshuai Tian <qingshuai.tian at intel.com> ---
Created attachment 87641
  --> https://bugs.freedesktop.org/attachment.cgi?id=87641&action=edit
dmesg nightly(nightlytop_c53fbc_20131015)

Test case (/kms_flip/plain-flip) with latest -nightly
kernel(nightlytop_c53fbc_20131015).
Output:
  Using monotonic timestamps
  Beginning plain-flip on crtc 3, connector 16
    1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
  .......flip ts before the flip was issued!
  timerdiff -1s, 999959us
  Subtest plain-flip: FAIL
  Test assertion failure function set_connector_dpms, file kms_flip.c:269:
  Failed assertion: found_it
  DPMS property not found on 16

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