Public bug reported:
The Intel's ARL enablement release (bug 2085845) also makes use of in-
tree IPU6 ISYS kernel modules for kernel versions >= 6.10. This is not
optional, and the differences between the in-tree and out-of-tree isys
kernel modules result in the need of the compatibility handling only
available in userspace HAL >= 20241122. The new kernel driver depends on
the new HAL.
To be worse, the media device model name that used to be "ipu6" is
chosen to serve as an identity to distinguish the upstream (in-tree) and
downstream (out-of-tree) implementation of isys. While the upstreamed
isys driver must use "ipu6" as the model name, it means the downstream
one has to rename media device model as "ipu6-downstream". Since the old
ipu6-drivers always use "ipu6", and the new HAL assumes "ipu" means the
in-tree isys but it's not, all the old ipu6-drivers deployments has to
rename their media device model to "ipu6-downstream" when using the new
HAL.
Then, the last problem, Noble has both oem-6.11 and oem-6.8, which
follows the oem-6.11 will need the new HAL, and the new HAL demands
intel-isys module built along with oem-6.8 to be renamed as
"ipu6-downstream".
** Affects: ipu6-drivers (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2092139
Title:
Rename media device as ipu6-downstream in Noble
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