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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - resume from S3 slightly broken since kernel 3.10"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77768#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - resume from S3 slightly broken since kernel 3.10"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77768">bug 77768</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>After the resume, the CRTC has a mode (1280x1024) but no output is connected to
it (reported through GETCONNECTOR). X decides that everything is disconnected
so switches off the spurious CRTC, sets up a fake 1024x768 fb and leaves kwin
to decide how to enable the outputs (and kwin doesn't handle a screen resize
very well...).
The root cause then is that the kernel bookkeeping is slightly off after
resume, in particular the connector->status.</pre>
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