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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [IGT][CI] Change kms_sysfs_edid_timing test into a performance test"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100047#c57">Comment # 57</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [IGT][CI] Change kms_sysfs_edid_timing test into a performance test"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100047">bug 100047</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to Martin Peres from <a href="show_bug.cgi?id=100047#c56">comment #56</a>)
<span class="quote">> User impact of a potentially slow EDID read is a high latency between
> hotplug and changes in the Desktop Environment.</span >
This test is inspired by user bug reports where the desktop was frozen for 2s
because of a _single_ hotplug probe (not a hotplug storm, and iirc it was a
panel not even a crt which were slow due to load detection). To make it more
explicit, probe the connection status while moving the cursor/flipping -- that
should not block, as the locking should be distinct to allow that (mostly
curtesy of those old bug reports).</pre>
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