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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [IGT] [BXT-P] some kms_flip subtest fail due to [i915]] *ERROR* too many voltage retries, give up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96229#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [IGT] [BXT-P] some kms_flip subtest fail due to [i915]] *ERROR* too many voltage retries, give up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96229">bug 96229</a>
from <span class="vcard"><a class="email" href="mailto:bugs@mblankhorst.nl" title="Maarten Lankhorst <bugs@mblankhorst.nl>"> <span class="fn">Maarten Lankhorst</span></a>
</span></b>
<pre>I've seen this happen a lot.
On my broadwell with DP-MST:
[ 118.613058] kms_flip: starting subtest render-flip-vs-modeset-interruptible
[ 124.607774] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too
many voltage retries, give up
[ 124.642633] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too
many voltage retries, give up
[ 124.678285] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too
many voltage retries, give up
[ 124.714072] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too
many voltage retries, give up
[ 129.865518] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too
many voltage retries, give up
[ 144.650761] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too
many voltage retries, give up
[ 191.758122] kms_flip: exiting, ret=0</pre>
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