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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW Bisected] Suspend entry and suspend resume responsive time increased by 78% and 58%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86452">86452</a>
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<th>Summary</th>
<td>[BDW Bisected] Suspend entry and suspend resume responsive time increased by 78% and 58%
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>wendy.wang@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>System Environment
BDW RVP FAB4 board
CPU: F stepping i5-5300U 2.3Ghz, 2Cores/4ThreadS, QH3F
BIOS: V93
Whole gfx sw stack:
=======
Libdrm: (master)libdrm-2.4.58-4-g00847fa48b83a85b0cb882594a12ed1511f780db
Mesa: (master)2b6e703863f7e5469ba8d82003282cc42f277d5e
Xserver:
(master)xorg-server-1.16.99.901-3-g63bb5c5ef16edf652179770294dcca4fc07dc992
Xf86_video_intel:
(master)2.99.916-144-gf9f85b88032b2458d4d24ceca450fdaa65e6b94d
Cairo: (master)121f384c0e231c9c5d9c937b216d342bfc7810a6
Libva: (master)ccd93de5a707e92a629cccd595757c8d436fa3cc
Libva_intel_driver: (master)4bdbc1ea4a875a21caa628ce27345528a2cb0774
Kernel: (drm-intel-nightly)22ba72f728eaf30e63ded0c0bb0484b4bc6f92d4
Regression?
=======
YES
Bug detailed description
=======
Execute responsiveness testing, suspend entry time increased by 78%, suspend
resume time increased by 58%
>From bisect ‘ drm-intel-next-queued ’ branch result, it's kernel regression,
the first bad commit is:
commit 8dcfd18343a56fd2277968f6b98f24b1669d2238
Author: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
Date: Mon Nov 10 04:52:50 2014 -0800
drm/i915: Wait thread status on gen8+ fw sequence
As per latest pm guide, we need to do this also on
past hsw.
Cc: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Cc: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Cc: Damien Lespiau <<a href="mailto:damien.lespiau@intel.com">damien.lespiau@intel.com</a>>
Signed-off-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@intel.com">mika.kuoppala@intel.com</a>>
Signed-off-by: Rodrigo Vivi <<a href="mailto:rodrigo.vivi@intel.com">rodrigo.vivi@intel.com</a>>
Reviewed-by: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Reproduce Steps
==============
1. tsocks git clone mmm.sh.intel.com:/work/responsiveness or visit the ip
address: 10.239.36.58:/work/responsiveness
2. execute resp.sh script</pre>
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