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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <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=94721">94721</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=122584" name="attach_122584" title="kern.log">attachment 122584</a> <a href="attachment.cgi?id=122584&action=edit" title="kern.log">[details]</a></span>
kern.log

Platform: Broxton P A0 Platform 
CPU Name : Intel(R) @ 1.2 GHz (family: 6, model: 92, stepping: 8) – 4 cores
SoC : BROXTON-P A0
QDF : QYE2
CRB : Apollo Lake RVPC1 Fab1
Mandatory Reworks : R14 , R06C and R16
Software 
APLKRVPA.X64.0116.R20.1512211905
KSC: 1.05
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.5.0 e7a7673 from
<a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>
  commit e7a7673e9840fe8b50a5a2894c75565ec7858a00
  Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
  Date:   Sat Mar 19 11:10:45 2016 +0100
  drm-intel-nightly: 2016y-03m-19d-10h-09m-53s UTC integration manifest
libdrm-2.4.67-7 49041c3 from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-11.1.2 7bcd827 from git://anongit.freedesktop.org/mesa/mesa
git://anongit.freedesktop.org/cairo 
cairo: 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
waffle: bb29b2a from git://github.com/waffle-gl/waffle
util-macros-1.19.0-2 d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
xorg-server-1.18.1 23e60f9 from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-560 d167280 from
git://anongit.freedesktop.org/xorg/driver/xf86-video-intel
libva-1.7.0.pre1 35f1447 from git://git.freedesktop.org/git/vaapi/libva
vaapi-intel-driver 1.7.0.pre1 ab8e4e3 from
git://anongit.freedesktop.org/vaapi/intel-driver
DMC 1.4 from: <a href="https://01.org/linuxgraphics/intel-linux-graphics-firmwares">https://01.org/linuxgraphics/intel-linux-graphics-firmwares</a>
intel-gpu-tools-1.14 c19b049 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: 1.101 secs
4. Suspend: 56.725 msecs
   Resume: 332.499 msecs

Expected result:
----------------
2. Init: 62.5 ms
4. Suspend and resume: 187.5 ms


Logs:
-----
Init:
[    1.648257] initcall i915_init+0x0/0x9b [i915] returned 0 after 1101243
usecs

Suspend:
[   74.847170] call 0000:00:02.0+ returned 0 after 56725 usecs
[   74.860581] PM: freeze of devices complete after 71.944 msecs

Resume:
[   74.884550] call 0000:00:02.0+ returned 0 after 23263 usecs
[   74.884954] call 0000:00:02.0+ returned 0 after 0 usecs
[   74.916955] call 0000:00:02.0+ returned 0 after 15447 usecs
[   74.933005] call 0000:00:02.0+ returned 0 after 15590 usecs
[   75.300938] call 0000:00:02.0+ returned 0 after 332499 usecs
[   76.009172] PM: restore of devices complete after 1048.769 msecs</pre>
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