[Bug 2061747] Re: obsolete out-of-tree ivsc dkms in favor of in-tree one

[Martin D. Weinberg]

I did the followings steps:
- Added the noble-proposed repo
- Installed the driver(s) using: `sudo apt install intel-ipu6-dkms/noble-proposed`
- Confirmed that the correct package was installed:
```
$ apt policy intel-ipu6-dkms 
intel-ipu6-dkms:
  Installed: 0~git202404110253.97c94720-0ubuntu1
  Candidate: 0~git202404110253.97c94720-0ubuntu1
  Version table:
 *** 0~git202404110253.97c94720-0ubuntu1 100
        100 http://us.archive.ubuntu.com/ubuntu noble-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     0~git202311240921.07f0612e-0ubuntu2 500
        500 http://us.archive.ubuntu.com/ubuntu noble/universe amd64 Packages
```
- Rebooted

I see no evidence that a ipu6 device was detected.  E.g. nothing in
kern.log from intel-ipu6 after the new driver package installed.
Perhaps I'm I missed something important here?  LMK if there's another
test I can perform.

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https://bugs.launchpad.net/bugs/2061747

Title:
  obsolete out-of-tree ivsc dkms in favor of in-tree one

Status in ipu6-drivers package in Ubuntu:
  Fix Committed
Status in ivsc-driver package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  In Progress
Status in linux-meta package in Ubuntu:
  Triaged
Status in linux-meta-oem-6.8 package in Ubuntu:
  Triaged
Status in linux-oem-6.8 package in Ubuntu:
  In Progress
Status in ipu6-drivers source package in Noble:
  Fix Committed
Status in ivsc-driver source package in Noble:
  Invalid
Status in linux source package in Noble:
  In Progress
Status in linux-meta source package in Noble:
  Triaged
Status in linux-meta-oem-6.8 source package in Noble:
  Triaged
Status in linux-oem-6.8 source package in Noble:
  In Progress

Bug description:
  [SRU Justification]

  BugLink: https://bugs.launchpad.net/bugs/2061747

  [Impact]

  Starting from kernel v6.8, Intel demands the use of in-tree VSC driver
  instead of the out-of-tree dkms originated from
  https://github.com/intel/ivsc-driver.

  [Fix]

  The in-tree vsc driver as of v6.8 still needs a few fixes to achieve
  the same support level to launch Intel IPU6 Camera devices. Commit
  1,3, and 4 are to add supported devices and platforms. Commit 2
  resolves an issue after resumed.

  [Test Case]

  This is supposed to work together with the updated dkms, which shall
  also be built along with the kernel itself as linux-modules-
  ipu6-<variant>. Install the corresponding kernel/modules packages and
  test camera functions.

  [Where problems could occur]

  While this is the first time we switch to in-tree VSC driver, and the
  out-of-tree driver is not aligned at the time of transition and
  probably never will, the provided functions and verified stability
  issues may vary.

  [Other Info]

  The dkms is created to be compatible of multiple kernel versions, yet
  the in-tree vsc driver transitioning should only happen for kernel >=
  v6.8. That is, oem-6.8, noble and linux-unstable will be nominated.

  ========== original bug description ==========

  Starting from kernel v6.8 (yet from the code diff it's v6.6), Intel
  demands the use of in-tree IVSC drivers instead of out-of-tree dkms
  from https://github.com/intel/ivsc-driver.

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