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<body><span class="vcard"><a class="email" href="mailto:yi.sun@intel.com" title="Yi Sun <yi.sun@intel.com>"> <span class="fn">Yi Sun</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BSW Bisected] eDP goes black after running tesdisplay"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86268">bug 86268</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>ASSIGNED
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BSW Bisected] eDP goes black after running tesdisplay"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86268#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BSW Bisected] eDP goes black after running tesdisplay"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86268">bug 86268</a>
from <span class="vcard"><a class="email" href="mailto:yi.sun@intel.com" title="Yi Sun <yi.sun@intel.com>"> <span class="fn">Yi Sun</span></a>
</span></b>
<pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=86268#c12">comment #12</a>)
<span class="quote">> (In reply to Li Xu from <a href="show_bug.cgi?id=86268#c10">comment #10</a>)
> > I finished the bisect, the result is following:
> > baa4e575d6a18dcd6f2e622784aa16ab24024f09 is the first bad commit
> > commit baa4e575d6a18dcd6f2e622784aa16ab24024f09
> > Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
> > Date: Mon Oct 27 16:07:32 2014 +0200
> >
> > drm/i915: Enable pipe-a power well on chv
>
> The problems caused by that commit should be fixed by:
>
> commit afd6275dd12381a7bd3750c125b3b68b5f8b03ca
> Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
> Date: Thu Oct 30 19:43:03 2014 +0200
>
> drm/i915: Reinit display irqs and hpd from chv pipe-a power well</span >
The black screen issue is gone. Verified.</pre>
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