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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BXT] Mipi Screen remains blank after resuming from S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98928">98928</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BXT] Mipi Screen remains blank after resuming from S3
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</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>normal
</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>luis.botello.ortega@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>
<tr>
<th>i915 platform</th>
<td>BXT
</td>
</tr>
<tr>
<th>i915 features</th>
<td>display/DSI
</td>
</tr></table>
<p>
<div>
<pre>Description:
=============================================
Mipi Screen remains blank after resuming from S3 state.
Steps to reproduce:
=============================================
Boot a BXT platform with MIPI panel, go to S3
#echo mem > /sys/power/state
Resume from S3 state by any method (keystroke,click,power button,etc)
Expected Result:
============================================
System resumes fine without any issue
Actual result:
============================================
MIPI screen remains blank after resuming from S3
HW Configuration:
==============================================
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 Device 5a84 (rev 0a) (prog-if 00 [VGA controller])
Screen : AUO 10.1" 1920x1200 Non-Touch MIPI Kit - B101UAN01.7
SW Configuration:
===============================================
Kernel
commit d6149d212b69a8e1d9229fe80fca034a0abe1d0e
Author: Mika Kuoppala <<a href="mailto:mika.kuoppala@intel.com">mika.kuoppala@intel.com</a>>
Date: Mon Nov 21 14:48:58 2016 +0200
drm-intel-nightly: 2016y-11m-21d-12h-48m-13s UTC integration manifest
Component : drm
tag : libdrm-2.4.73-9-g1924b67
commit : 1924b67
Component : mesa
tag : 13.0-branchpoint-931-g7a2cfd4
commit : 7a2cfd4
Component : xf86-video-intel
tag : 2.99.917-736-gbde9460
commit : bde9460
Component : libva
tag : libva-1.7.2-44-g598fb9e
commit : 598fb9e
Component : intel-driver
tag : 1.7.2-189-gce55d7e
commit : ce55d7e
Component : cairo
tag : 1.15.2-75-g3f1a6f7
commit : 3f1a6f7
Component : xserver
tag : xorg-server-1.19.0-3-gcf88607
commit : cf88607
Component : macros
tag : util-macros-1.19.0-2-gd7acec2
commit : d7acec2
Component : intel-gpu-tools
tag : intel-gpu-tools-1.16-156-gcddf996
commit : cddf996
Component : rendercheck
tag : rendercheck-1.5-9-g44032a7
commit : 44032a7
Additional Info:
===================================================
Dmesg relevant information:
[ 109.243947] [drm:generic_exec_sequence [i915]] Starting MIPI sequence 10 -
MIPI_SEQ_POWER_ON
[ 109.244012] [drm:mipi_exec_gpio [i915]]
[ 109.244035] [drm:mipi_exec_gpio [i915]] GPIO element not supported on this
platform
[ 109.244058] [drm:mipi_exec_delay [i915]]
[ 109.249309] [drm:intel_dsi_pre_enable [i915]]
[ 109.383519] [drm:dpi_send_cmd.constprop.8 [i915]] *ERROR* Video mode command
0x00000042 send failed.
These IGT tests are also failing dur to the same issue:
kms_pipe_crc_basic@suspend-read-crc-pipe-a -> dmesg-fail
kms_pipe_crc_basic@suspend-read-crc-pipe-b -> dmesg-fail
kms_pipe_crc_basic@suspend-read-crc-pipe-c -> dmesg-fail
gem_exec_suspend@basic-s3 -> fail</pre>
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</p>
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