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

Hello You-Sheng, or anyone else affected,

Accepted ipu6-drivers into noble-proposed. The package will build now
and be available at
https://launchpad.net/ubuntu/+source/ipu6-drivers/0~git202404110253.97c94720-0ubuntu1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed. Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: ipu6-drivers (Ubuntu Noble)
Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-noble

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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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