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<body><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> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [SKL, BIOS upgrade regression] distorted display after resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91697">bug 91697</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>ASSIGNED
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>FIXED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [SKL, BIOS upgrade regression] distorted display after resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91697#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [SKL, BIOS upgrade regression] distorted display after resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91697">bug 91697</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 Akshu Agrawal from <a href="show_bug.cgi?id=91697#c21">comment #21</a>)
<span class="quote">> If we just enable the ‘DBUF Power Request’ bit in DBUF_CNTL, there is no
> display corruption. IMO this bit is left in reset state as we are enabling
> the PW2 in BIOS. Following change would also fix the issue:</span >
We already have
commit 39d9b85a4d4fa1642663ca0d208b5c246a3d6f50
Author: Gary Wang <<a href="mailto:gary.c.wang@intel.com">gary.c.wang@intel.com</a>>
Date: Fri Aug 28 16:40:34 2015 +0800
drm/i915: set CDCLK if DPLL0 enabled during resuming from S3
merged in drm-intel-next-fixes. I just overlooked closing the bug. If there's a
problem with that commit, please reopen.</pre>
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