Author: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Date:   Mon May 9 18:16:48 2016 -0600

    drm/atomic: Remove drm_atomic_connectors_for_crtc.
    
    BugLink: http://bugs.launchpad.net/bugs/1542939
    
    Now that connector_mask is reliable there's no need for this
    function any more.
    
    Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
    Link: 
http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-6-git-send-email-maarten.lankho...@linux.intel.com
    Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
    (back ported from commit 14de6c44d149c68df1800ded42bbab51485ef67a)
    Signed-off-by: Tim Gardner <tim.gard...@canonical.com>
    
    Conflicts:
        drivers/gpu/drm/drm_atomic.c
        drivers/gpu/drm/drm_atomic_helper.c
    
    Acked-by: Stefan Bader <stefan.ba...@canonical.com>
    Signed-off-by: Kamal Mostafa <ka...@canonical.com>


** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1604313

Title:
  Ubuntu 16.04: system freezes instead of suspend after undocking

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I'm using a Lenovo ThinkPad T450s. When the system was docked and then 
undocked, suspend won't work. Instead, the screen goes black, the system 
freezes and the fan runs on high speed.
  This problem persists with the (as of today) most recent kernel 
4.4.0-31-generic #50.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-31-generic 4.4.0-31.50
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  buerger    3534 F.... pulseaudio
   /dev/snd/pcmC1D0p:   buerger    3534 F...m pulseaudio
   /dev/snd/controlC1:  buerger    3534 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul 19 11:13:41 2016
  HibernationDevice: RESUME=UUID=21eeaf61-c437-45dc-80e3-e581eb6f795c
  InstallationDate: Installed on 2015-09-15 (307 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: LENOVO 20BX000XGE
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic 
root=UUID=93fc15f9-4090-40ff-a3ac-a642833f1da2 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-31-generic N/A
   linux-backports-modules-4.4.0-31-generic  N/A
   linux-firmware                            1.157.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-04-22 (87 days ago)
  dmi.bios.date: 03/23/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: JBET57WW (1.22 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20BX000XGE
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrJBET57WW(1.22):bd03/23/2016:svnLENOVO:pn20BX000XGE:pvrThinkPadT450s:rvnLENOVO:rn20BX000XGE:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20BX000XGE
  dmi.product.version: ThinkPad T450s
  dmi.sys.vendor: LENOVO

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