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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 - [SKL-Y] Can't reach deepest state than pc2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93035">93035</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SKL-Y] Can't reach deepest state than pc2
</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>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<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=119971" name="attach_119971" title="report.html">attachment 119971</a> <a href="attachment.cgi?id=119971&action=edit" title="report.html">[details]</a></span>
report.html
Hardware
Platform: SKY LAKE Y A0 QUAL
CPU : Intel(R) Core(TM) M5-6Y54 @ 1.10GHz 4MB (family: 6, model: 78 stepping:
3)
MCP : SKL-Y D1
QDF : QJ9W
CPU : SKL D0
Chipset PCH: Sunrise Point LP C1
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories + FBS02 & FBS03, O-06
Software
Linux : Ubuntu 15.04 64 bits
BIOS : SKLSE2R1.R00.B104.B01.1511110114
ME FW : 11.0.0.1191
Ksc (EC FW): 1.20
Kernel 4.4.0-rc1 nighlty 0ffc902 from git://anongit.freedesktop.org/drm-intel
commit 0ffc902f01780eea9bd497435f04883b1c071871
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Thu Nov 19 17:52:23 2015 +0100
drm-intel-nightly: 2015y-11m-19d-16h-51m-40s UTC integration manifest
Mesa 11.0.5 from <a href="http://cgit.freedesktop.org/mesa/mesa/">http://cgit.freedesktop.org/mesa/mesa/</a>
xf86-video-intel - 2.99.917 from
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/">http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/</a>
Libdrm - 2.4.65 from <a href="http://cgit.freedesktop.org/mesa/drm/">http://cgit.freedesktop.org/mesa/drm/</a>
Libva - 1.6.1 from <a href="http://cgit.freedesktop.org/libva/">http://cgit.freedesktop.org/libva/</a>
vaapi intel-driver - 1.6.1 from <a href="http://cgit.freedesktop.org/vaapi/intel-driver">http://cgit.freedesktop.org/vaapi/intel-driver</a>
Cairo - 1.14.2 from <a href="http://cgit.freedesktop.org/cairo">http://cgit.freedesktop.org/cairo</a>
Xorg Xserver - 1.17.2 from <a href="http://cgit.freedesktop.org/xorg/xserver">http://cgit.freedesktop.org/xorg/xserver</a>
Steps:
------
1. Boot with kernel boot command line: i915.disable_power_well=1
2. From Ubuntu Power settings, configure Turn screen off when inactive after 1
minute
3. Auto-tune the system using PowerTop, execute command:
sudo powertop --auto-tune
4. Turn off networks, disconnect devices (mouse, keyboard ...)
5. Launch PowerTop with command:
sudo powertop --html=report --time=240
6. Wait 4 minutes
7. Check PC states residency in html report
Actual result:
---------------
7. PC2 is 89.5% (deepest states are 0)
Expected result:
----------------
7. System can reach deepest states
PowerTop installation steps:
----------------------------
Install packages: g++, autopoint, libpci-dev, autoconf, libncurses,
libncurses-dev, libnl-cli, libnl-genl-dev, libtool
git clone git://github.com/fenrus75/powertop.git
cd powertop
./configure
make
make install</pre>
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