[Bug 1863874] Re: Backport GetFB2 ioctl, re-enable CCS compression for intel

[Timo Aaltonen]

Hmm, realized that since this happens on intel gen9 only and with i965
dri driver, it doesn't affect focal anymore since it uses iris dri
driver by default. So the patch to disable CCS compression could just be
dropped anyway.

** Bug watch added: gitlab.freedesktop.org/xorg/xserver/issues #33
   https://gitlab.freedesktop.org/xorg/xserver/issues/33

** Also affects: xserver via
   https://gitlab.freedesktop.org/xorg/xserver/issues/33
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1863874

Title:
  Backport GetFB2 ioctl, re-enable CCS compression for intel

Status in XServer:
  Unknown
Status in libdrm package in Ubuntu:
  In Progress
Status in linux package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  New
Status in xorg-server package in Ubuntu:
  New
Status in libdrm source package in Focal:
  In Progress
Status in linux source package in Focal:
  Fix Released
Status in mesa source package in Focal:
  New
Status in xorg-server source package in Focal:
  New

Bug description:
  We need this in order to re-enable intel CCS compression, which was
  originally disabled in mesa to fix this bug:

  https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1753776

  GetFB2 was recently added to drm-misc, and should get upstream in 5.7,
  but would be best to have it in focal and unstable kernel so that the
  userland parts can be added.

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