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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BXT-P] External displays are not recognized after resuming from S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97301#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BXT-P] External displays are not recognized after resuming from S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97301">bug 97301</a>
from <span class="vcard"><a class="email" href="mailto:humberto.i.perez.rodriguez@intel.com" title="Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez@intel.com>"> <span class="fn">Humberto Israel Perez Rodriguez</span></a>
</span></b>
<pre>This issue also happen in Fedora, please see the following detailed information
1-Before to send the DUT to S3 HDMi are recognized by xrandr, only HDMI is
recognized as DP (but this is other issue)
2-if i send the DUT to S3 with HDMI after come back the first time the external
display does not come back
3-if i send the DUT for second time to S3 after come back the external display
is seen but in xrandr does not appears
in step 3 xrandr sporadically recognized the external display
Commands for S3
=============================================
- # rtcwake -s 30 -m mem
- # echo mem > /sys/power/state
Software configuration
============================================
Linux OS : Fedora 64Bit
Kernel version : 4.8.4-200.fc24.x86_64
Bios revision : 144.10
Bios release date : 06/27/2016
KSC revision : 1.15
Hardware information
============================================
Platform : BXT-P
Motherboard model : BroxtonP
Motherboard type : NOTEBOOK Hand Held
Motherboard manufacturer : IntelCorp.
CPU family : Other
CPU information : 06/5c
GPU Card : Intel Corporation Atom/Celeron/Pentium
Processor N4200/N3350/E3900 Series Integrated Graphics Controller (rev 0a)
(prog-if 00 [VGA controller])
Memory ram : 8 GB
Maximum memory ram allowed : 16 GB
CPU thread : 4
CPU core : 4
Socket : Other
attachments
==============================================
dmesg.log
Note : This issue does not occurs with DP</pre>
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