The new firmware package works fine with the 6.0 kernel, it loads the GuC and 
HuC Firmware, as seen below:
[    4.691687] i915 0000:03:00.0: [drm] Finished loading DMC firmware 
i915/dg2_dmc_ver2_06.bin (v2.6)
[    4.702309] i915 0000:03:00.0: [drm] GuC firmware i915/dg2_guc_70.1.2.bin 
version 70.

I presume the firmware updates are a preparation for the i915/drm
backports to the 6.0-oem kernel?

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1971712

Title:
  Add support for Intel DG2

Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-oem-5.17 package in Ubuntu:
  Invalid
Status in linux-oem-6.0 package in Ubuntu:
  Invalid
Status in mesa package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Jammy:
  Fix Committed
Status in linux-oem-5.17 source package in Jammy:
  Won't Fix
Status in linux-oem-6.0 source package in Jammy:
  Confirmed
Status in mesa source package in Jammy:
  Fix Released
Status in linux-firmware source package in Kinetic:
  Fix Committed

Bug description:
  [Impact]

  Ubuntu 22.04 does not support Intel DG2-based hw which is released
  later this year.

  [Fix]

  Mesa: needs a bunch of patches backported to 22.0.x, will be upstream in 22.1 
or 22.2
  kernel: oem-6.0 plus a bunch of backports from 6.1/drm-tip
  firmare: updates to i915 DMC, GuC

  [Test case]

  Boot a system with a DG2-based GPU, check that native graphics drivers
  are used.

  Test mesa also on gen9-gen12 GPU's to verify that there are no
  regressions even though the backports are for DG2.

  [What could go wrong]

  The Mesa patches are only for DG2 support, should not affect other
  hardware at all. The kernel driver is in a separate package which
  isn't installed by default except preinstall machines with this
  hardware. So other users are not affected.

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