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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [hsw DP-to-DVI] DP hot plug fails if booted without Monitor Attached"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85924#c54">Comment # 54</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [hsw DP-to-DVI] DP hot plug fails if booted without Monitor Attached"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85924">bug 85924</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>(In reply to oliver.grafe from <a href="show_bug.cgi?id=85924#c51">comment #51</a>)
<span class="quote">> tried Jani's patch on a SLES / using 4.1-rc4. It improves the situation a
> lot! All active/passive DP adapters I could find now work flawlessly when
> hot-plugged into running system.
>
> I have found one DP->VGA adapter which still does not hot-plug even with
> this patch. Please see attached drm.debug=14 output.
>
> Thanks so much for the continuing effort to close this!</span >
That's great news! Credits go to Todd for figuring out the problem.
Unfortunately there was some negative review feedback on the patch itself;
here's another version that *should* be functionally equivalent in your case:
<a href="http://patchwork.freedesktop.org/patch/50930">http://patchwork.freedesktop.org/patch/50930</a>
It would be much appreciated if you could test this one as well. Thanks.</pre>
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