[Bug 105470] New: [BISECTED] Failure to boot docked with laptop lid closed
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Mar 12 23:16:30 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=105470
Bug ID: 105470
Summary: [BISECTED] Failure to boot docked with laptop lid
closed
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: labbott at redhat.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 138048
--> https://bugs.freedesktop.org/attachment.cgi?id=138048&action=edit
git bisect log
Fedora has gotten several reports of 100% failure to boot while docked (see
https://bugzilla.redhat.com/show_bug.cgi?id=1549042 for example) as a
regression between kernel versions 4.14 and 4.15. I bisected and came up with
commit 5ea2355a100a3c6304901d058aee06d3a6be69bc (refs/bisect/bad)
Author: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
Date: Tue Oct 3 17:22:11 2017 +0300
drm/i915/mst: Use MST sideband message transactions for dpms control
Use the POWER_DOWN_PHY and POWER_UP_PHY sideband message transactions to
set power states for downstream sinks. Apart from giving us the ability
to set power state for individual sinks, this fixes the below test for
me.
$ xrandr --display :0 --output DP-2-2-8 --off
$ xrandr --display :0 --output DP-2-2-1 --off
$ xrandr --display :0 --output DP-2-2-8 --auto #Black screen
$ xrandr --display :0 --output DP-2-2-1 --auto
v2: Modify and document the dpms and port disable order (Ville)
Add comment explaining is_mst = !crtc_state equivalence(Ville, Maarten)
v3 by Jani: rebase
References: https://bugs.freedesktop.org/show_bug.cgi?id=90963
References: https://bugs.freedesktop.org/show_bug.cgi?id=88124
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Lyude <lyude at redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reviewed-by: Lyude Paul <lyude at redhat.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20171003142211.860-1-jani.nikula@intel.com
Also fails with drm-tip 2018y-03m-12d-22h-06m-53s
I can track down other reporters but my setup was Lenovo T470s with dock to
HDMI monitor
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)
Happy to provide more information and point other reporters here.
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