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<b><a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [SKL Bisected] eDP can not be lighted up after entering kernel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89554#c46">Comment # 46</a>
on <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [SKL Bisected] eDP can not be lighted up after entering kernel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89554">bug 89554</a>
from <span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
</span></b>
<pre>(In reply to Sonika from <a href="show_bug.cgi?id=89554#c45">comment #45</a>)
<span class="quote">> (In reply to ye.tian from <a href="show_bug.cgi?id=89554#c44">comment #44</a>)
> > (In reply to ye.tian from <a href="show_bug.cgi?id=89554#c43">comment #43</a>)
> > > Test it on the latest nightly kernel(87afe90f) with i915.edp_vswing=2, This
> > > issue has gone away.
> >
> > Without i915.edp_vswing=2, This issue also has gone away.
> > Verified.
>
> Without i915.edp_vswing=2, the issue is not reproducible? Strange..
> By default it uses VBT's input.
> If it works without this param, are you sure you are using the original
> setup with default vbt (and not the stitched one in which the default value
> was changed)?</span >
I am sure.
BTW, I re-test it on the other machine, it can't work without this param.</pre>
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