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** Branch linked: lp:ubuntu/trusty-proposed/linux-keystone

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https://bugs.launchpad.net/bugs/1332220

Title:
  Backport hdmi_portclock_limit regression fix patch to allow forcing
  overclocking of DVI/HDMI signals

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Committed
Status in “linux” source package in Utopic:
  Fix Released

Bug description:
  https://bugzilla.kernel.org/show_bug.cgi?id=72961

  Summary: a patch included after upstream kernel 3.10 (and for ubuntu,
  whatever was used in the live iso) restricted DVI-D single link
  connections to 165MHz. Some monitors, which worked before that patch
  via an overclocked single link connection stopped working. This patch
  lets the user specify modes manually that are higher than 165MHz "at
  their own risk".

  I've tested the patch in the upstream bug against the current (as of
  19 Jun 2014) git trusty kernel tree and everything seems to work fine.
  While the patch listed on the above bug won't apply with git-am, it
  will apply as patch -p0.

  I have it patched on my local branch, and can send a diff if it's
  needed.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jtate      2315 F.... pulseaudio
                        jtate      2635 F.... pulseaudio
   /dev/snd/controlC0:  jtate      2315 F.... pulseaudio
                        jtate      2635 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Thu Jun 19 13:30:52 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-06-16 (3 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic root=/dev/mapper/kubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.2
  RfKill:

  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/23/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.30
  dmi.board.name: Z97 Extreme4
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd05/23/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ97Extreme4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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