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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BXT-P/APL] DP and HDMI will stop output after resumed from S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94439#c33">Comment # 33</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BXT-P/APL] DP and HDMI will stop output after resumed from S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94439">bug 94439</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>Hi :
i've tested in the original BXT where i saw this issue, please see my comments
below :
with drm-intel-nightly
=========================
after try with nightly and several s3 suspend/resume iterations HDMI stop after
resume from s3, please see the attached dmesg_nightly.log with drm.debug=14 as
parameter
commit c0a9d3a8bcf7f049a391a601578054d96708667e
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Thu Apr 14 15:22:39 2016 +0300
drm-intel-nightly: 2016y-04m-14d-12h-22m-13s UTC integration manifest
Kernel version : 4.6.0-rc3
Architecture : source amd64 all
with branch bxt-rpm from : <a href="https://github.com/ideak/linux">https://github.com/ideak/linux</a>
===========================================================
after try with bxt-rpm branch and several s3 suspend/resume iterations HDMI
stop after resume from s3, please see the attached dmesg_bxt_rpm.log with
drm.debug=14 as parameter
commit 72c0a995bd9c6e0d9ac8517180f305b1aae3ffa5
Author: Imre Deak <<a href="mailto:imre.deak@intel.com">imre.deak@intel.com</a>>
Date: Wed Apr 13 17:35:40 2016 +0300
drm/i915/gen9: Put init power domains during suspend if DMC not loaded
Signed-off-by: Imre Deak <<a href="mailto:imre.deak@intel.com">imre.deak@intel.com</a>>
branch : bxt-rpm
Note : for both kernels eDP + DP works after several S3 iterations without any
issues</pre>
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