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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][RESUME] igt@kms_atomic_transition@plane-primary-toggle-with-vblank-wait - skip - Primary plane cannot be disabled separately from output, SKIP"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110647#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][RESUME] igt@kms_atomic_transition@plane-primary-toggle-with-vblank-wait - skip - Primary plane cannot be disabled separately from output, SKIP"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110647">bug 110647</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>This seems to be about
Test requirement: !(ret == -EINVAL)
Primary plane cannot be disabled separately from output
Last errno: 22, Invalid argument
which is caused by
<3> [526.112734] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization
<7> [526.112788] [drm:intel_dp_start_link_train [i915]] [CONNECTOR:196:DP-1]
Link Training failed at link rate = 270000, lane count = 1
...
<7> [527.190380] [drm:intel_dp_compute_config [i915]] DP link computation with
max lane count 1 max rate 162000 max bpp 24 pixel clock 108000KHz
<7> [527.190545] [drm:intel_dp_compute_config [i915]] Force DSC en = 0
<7> [527.190623] [drm:intel_atomic_check [i915]] Encoder config failure: -22</pre>
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