[Bug 94439] [BXT-P/APL] DP and HDMI will stop output after resumed from S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94439

--- Comment #33 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
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 <ville.syrjala at linux.intel.com>
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 : https://github.com/ideak/linux
===========================================================
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 <imre.deak at intel.com>
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 <imre.deak at intel.com>

branch : bxt-rpm


Note : for both kernels eDP + DP works after several S3 iterations without any
issues

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