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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS] igt@kms_rotation_crc@multiplane-rotation-cropping-top - dmesg-fail - Failed assertion: !mismatch, *ERROR* CPU pipe [ABC] FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108950#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS] igt@kms_rotation_crc@multiplane-rotation-cropping-top - dmesg-fail - Failed assertion: !mismatch, *ERROR* CPU pipe [ABC] FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108950">bug 108950</a>
from <span class="vcard"><a class="email" href="mailto:juhapekka.heikkila@gmail.com" title="Juha-Pekka Heikkilä <juhapekka.heikkila@gmail.com>"> <span class="fn">Juha-Pekka Heikkilä</span></a>
</span></b>
<pre>I did see KBL failing consistently while developing this test. There are three
multiplane rotation tests, cropping top, no cropping and cropping bottom.
Interesting thing here is only cropping top fails.
Those planes are in failing test positioned so primary plane is cropped at top
left corner and sprite plane is cropped at top right corner so that only about
1/4 of planes are visible on screen.
For testing purpose what really fails there one could first move those planes
for example so only vertical cropping happen and see if it still fails. Just my
thoughts.</pre>
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