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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - DP MST: re-docking messes up displays"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84718#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - DP MST: re-docking messes up displays"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84718">bug 84718</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>I am not sure. I like returning Unknown there for the ioctl failure - actually
cleaning the dead outputs at that point is impossible (at least I can't
rearrange or destroy the outputs whilst the core is iterating over the array).
We could replace the udev notification with a poll for changes in output status
- but that is just replicating work already done by the kernel. And I can't see
a suitable hook for adding a global probe into the RandR query - unless I wrap
the rrGetInfo hook... Okay that is tempting.</pre>
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