[Bug 69693] [BYT]igt/kms_flip: DP link train fail due to IOSF sideband fabric timeout

[bugzilla-daemon at freedesktop.org]

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

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |REOPENED

--- Comment #16 from lu hua <huax.lu at intel.com> ---
Test on -nightly branch(commit:2f29640dfa2), The ERROR still exists, #comment
1's fail goes away.
output:
Using monotonic timestamps
Beginning plain-flip on crtc 3, connector 20
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip on crtc 3, connector 20: PASSED

Beginning plain-flip on crtc 6, connector 20
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip on crtc 6, connector 20: PASSED

Subtest plain-flip: SUCCESS


dmesg -r | egrep "<[1-3]>" |grep drm
<3>[  126.266259] [drm:intel_dp_start_link_train] *ERROR* failed to enable link
training
<3>[  127.154303] [drm:intel_dp_complete_link_train] *ERROR* failed to train
DP, aborting
<3>[  128.263739] [drm:intel_pipe_config_compare] *ERROR* mismatch in
has_dp_encoder (expected 1, found 0)

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