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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT]igt/kms_flip causes [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69693#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT]igt/kms_flip causes [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69693">bug 69693</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>Run the 1st cysle, output shows success, It causes <3>[ 537.365605]
[drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting appears
in dmesg.
output(the first cycle):
Using monotonic timestamps
Beginning plain-flip on crtc 3, connector 16
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip on crtc 3, connector 16: PASSED
Beginning plain-flip on crtc 6, connector 16
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip on crtc 6, connector 16: PASSED
Subtest plain-flip: SUCCESS
Run the 2nd cycle, output shows fail, and it will not exit. If run reboot,
system is no response.
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
select timed out or error (ret 0)
Subtest plain-flip: FAIL
DPMS property not found on 16</pre>
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