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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [HSW]i915 does 2s long DP-link-reset (backlight off) during modeset instead of re-using SimpleFB, stacktrace with i915.fastboot=1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91845#c19">Comment # 19</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [HSW]i915 does 2s long DP-link-reset (backlight off) during modeset instead of re-using SimpleFB, stacktrace with i915.fastboot=1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91845">bug 91845</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>(In reply to o.freyermuth from <a href="show_bug.cgi?id=91845#c18">comment #18</a>)
<span class="quote">> I understand, yes, that matches observation.
> Still: Why is the panel toggled at all?
> Shouldn't it be possible to just take over the efifb?
> It seems a full reinitialization is taking place, and the panel toggling is
> just part of that.</span >
I suppose it's the lack of fastboot. That thing is still not entirely
implemented. You can try it with the modparam but not really guaranteed to do
the right thing.</pre>
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