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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL] Init time is high"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94722">94722</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[APL] Init time is high
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>christophe.prigent@intel.com
</td>
</tr>
<tr>
<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>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=122585" name="attach_122585" title="kern.log">attachment 122585</a> <a href="attachment.cgi?id=122585&action=edit" title="kern.log">[details]</a></span>
kern.log
Hardware
Platform: KABY LAKE-U
CPU : Intel(R) Core(TM) @ 2.60GHz
MCP : KBL-U G0 2+2 (ou ULT-G0)
QDF : QYQ8
Chipset PCH: SPT-LP C1
CRB : KABY LAKE U DDR3L RVP7 CRB FAB1
Software
BIOS : KBLSE2R1.R00.X015.B01.1511271314
ME FW : 11.5.0.1008
Ksc (EC FW): 1.20
Linux distribution: Ubuntu 15.10 64 bits
Kernel drm-intel-nightly 4.5.0-1ab8926 from
<a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>
commit 1ab89261aaa1564b3960b15a6d5332795b7a5524
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Mon Mar 21 09:31:07 2016 +0100
drm-intel-nightly: 2016y-03m-21d-08h-30m-17s UTC integration manifest
libdrm-2.4.67-7 49041c3 from git://anongit.freedesktop.org/mesa/drm
cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
intel-gpu-tools-1.14 7fc5256 from
<a href="http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git">http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git</a>
Steps:
-------
1. Boot
2. Execute command:
dmesg |grep i915_init
3. Suspend to RAM with:
sudo -s
echo mem > /sys/power/state
Wait 30 seconds
Resume with keyboard
4. Execute command:
dmesg |grep "call 0000:00:02.0+ returned 0 after"
Actual result:
-------------
2. Init: 323.47 msecs
4. Suspend: 285.80 msecs
Resume: 515.81 msecs
Expected result:
----------------
2. Init: 62.5 msecs
4. Suspend and resume: 187.5 msecs
Logs:
-----
Init:
[ 1.476225] initcall i915_init+0x0/0x9b [i915] returned 0 after 323475 usecs
Suspend:
[ 93.854687] call 0000:00:02.0+ returned 0 after 285803 usecs
[ 93.854792] PM: suspend of devices complete after 299.501 msecs
Resume:
[ 93.883347] call 0000:00:02.0+ returned 0 after 14456 usecs
[ 93.887068] call 0000:00:02.0+ returned 0 after 1 usecs
[ 94.115439] call 0000:00:02.0+ returned 0 after 12910 usecs
[ 94.145855] call 0000:00:02.0+ returned 0 after 10190 usecs
[ 94.708571] call 0000:00:02.0+ returned 0 after 515819 usecs
[ 94.712251] PM: resume of devices complete after 531.917 msecs</pre>
</div>
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