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[Alberto Milone <alberto.milone@xxxxxxxxxxxxx>]

** Also affects: ubuntu-drivers-common (Ubuntu Zesty)
   Importance: Undecided
       Status: New

** Changed in: ubuntu-drivers-common (Ubuntu Zesty)
     Assignee: (unassigned) => Alberto Milone (albertomilone)

** Changed in: ubuntu-drivers-common (Ubuntu Zesty)
       Status: New => In Progress

** Changed in: ubuntu-drivers-common (Ubuntu Zesty)
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1667198

Title:
  gpu-manager should also support using custom xorg.conf files for
  Nvidia

Status in HWE Next:
  Incomplete
Status in OEM Priority Project:
  Confirmed
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common source package in Xenial:
  Incomplete
Status in ubuntu-drivers-common source package in Zesty:
  In Progress

Bug description:
  SRU Request:

  [Impact]
  Different GPUs may require different options in the xorg.conf file. Currently this is not possible, since the options have been hardcoded in gpu-manager to configure the system automatically.

  This new (backported) feature allows users to tell gpu-manager to use
  their own custom xorg.confs for their NVIDIA GPUs.

  [Test Case]
  1) Enable the xenial-proposed repository, and install the ubuntu-drivers-common and the nvidia-prime packages.

  2) Install the nvidia driver.

  3) Place your configuration file(s) in the /usr/share/gpu-manager.d
  directory.

  If you are using a non-hybrid system, you can create the /usr/share
  /gpu-manager.d/non-hybrid file. In case of a hybrid system, you can
  specify /usr/share/gpu-manager.d/hybrid-performance and/or /usr/share
  /gpu-manager.d/hybrid-power-saving, depending on the power profile you
  intend to apply your settings to.

  4) Restart the system and see if it boots correctly. If unsure, please
  attach your /var/log/gpu-manager.log and /var/log/Xorg.0.log

  5) Make sure that the /etc/X11/xorg.conf matches the file you
  specified in 3)

  [Regression Potential]
  Low, the above mentioned changes are already in Artful, and will not affect the system's behaviour unless new configuration files are put in the /usr/share/gpu-manager.d/ directory.

  ______________________________
  This feature has been implemented for Intel (ex. gpumanager_uxa), which is parsing kernel parameter to add option in xorg.conf (commit ff3a4e54).

  And now Nvidia also need this feature to add Option
  "nvidiaXineramaInfo" "off" to fix some issues.

  Btw, I'm thinking it might be a more flexible to have a config file
  which user could add all options as they want so that we could prevent
  keeping change gpu-manager when some more options are needed in the
  future.

  Needed by LP: #1653592

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