kernel-packages team mailing list archive

[madbiologist <1454975@xxxxxxxxxxxxxxxxxx>]

Support for AMD Radeon DisplayPort audio was added in the upstream 4.0
kernel.  A PPA of the 4.0.4 kernel is available at
http://kernel.ubuntu.com/~kernel-ppa/mainline/ and instructions on how
to install and uninstall it are available at
https://wiki.ubuntu.com/Kernel/MainlineBuilds

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https://bugs.launchpad.net/bugs/1454975

Title:
  AMD Radeon HD 8570 / R7 240/340 OEM] [1002:6611] No DP audio with the
  open source driver

Status in HWE Next Project:
  New
Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  CID: 201302-12679 Dell OptiPlex 9020

  There is no audio output available from the DisplayPort with the open source driver.
  There are two output options here in the "Sound Settings": Analog Output and Speaker
  Non of them could make the DP audio device (the speaker on the monitor) work.

  Also, this is a desktop system, I can't hear anything with the Speaker
  option.

  Since we're unable to install the fglrx now, I will mark this one as a
  blocker.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-37-generic 3.16.0-37.51~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-37.51~14.04.1-generic 3.16.7-ckt9
  Uname: Linux 3.16.0-37-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed May 13 23:52:37 2015
  InstallationDate: Installed on 2015-05-13 (0 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1697 F.... pulseaudio
   /dev/snd/controlC1:  ubuntu     1697 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=9201b911-af8a-4fe9-a8b1-544f1f394b6a
  InstallationDate: Installed on 2015-05-13 (0 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Dell Inc. OptiPlex 9020
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-37-generic root=UUID=9d6f549c-046c-4193-b58e-5ee4df6c0e0b ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-37.51~14.04.1-generic 3.16.7-ckt9
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-37-generic N/A
   linux-backports-modules-3.16.0-37-generic  N/A
   linux-firmware                             1.127.11
  RfKill:
   
  Tags:  trusty
  Uname: Linux 3.16.0-37-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 09/17/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A03
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA03:bd09/17/2013:svnDellInc.:pnOptiPlex9020:pvr01:rvnDellInc.:rn:rvr:cvnDellInc.:ct15:cvr:
  dmi.product.name: OptiPlex 9020
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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