[Bug 104056] [BAT] [CFL only]igt at kms_* - dmesg-warn - *ERROR* Link Training Unsuccessful | *ERROR* LSPCON mode hasn't settled | *ERROR* Error reading LSPCON mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104056

--- Comment #10 from Jari Tahvanainen <jari.tahvanainen at intel.com> ---
Here is example output from 4.15.0-rc9-drm-intel-qa-ww4-commit-59275f1 CFL-1

Detail  Value
Returncode      0
Time    0:00:05.903215
Stdout  
IGT-Version: 1.21-g37bd27f (x86_64) (Linux:
4.15.0-rc9-drm-intel-qa-ww4-commit-59275f1+ x86_64)
Subtest 1x-modeset-transitions: SUCCESS (3.866s)
Stderr  
Environment     
PIGLIT_SOURCE_DIR="/home/gfx/intel-graphics/intel-gpu-tools/piglit"
PIGLIT_PLATFORM="mixed_glx_egl"
Command /home/gfx/intel-graphics/intel-gpu-tools/tests/kms_atomic_transition
--run-subtest 1x-modeset-transitions
dmesg   
[  535.365480] [drm:lspcon_wait_mode [i915]] *ERROR* LSPCON mode hasn't settled
[  535.458196] [drm:lspcon_change_mode.constprop.4 [i915]] *ERROR* Error
reading LSPCON mode
[  535.458215] [drm:intel_dp_detect [i915]] *ERROR* LSPCON resume failed
[  535.494824] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable
link training
[  535.494854] [drm:intel_dp_get_link_train_fallback_values [i915]] *ERROR*
Link Training Unsuccessful
[  540.722489] [drm:lspcon_wait_mode [i915]] *ERROR* LSPCON mode hasn't settled
[  540.758844] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable
link training
[  540.758898] [drm:intel_dp_get_link_train_fallback_values [i915]] *ERROR*
Link Training Unsuccessful

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