[Bug 1958563] Re: Wrong permissions on vcio

[Dave Jones]

Looks like our permissions on vcsm-cma were also incorrect, and we were
missing permission overrides for the rpivid devices, and dma_heap for
libcamera support. I've uploaded a 0ubuntu2 version which should patch
all of these.

Note to self: some of this at least (probably not the libcamera bits?)
ought to be backported to focal for .4

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https://bugs.launchpad.net/bugs/1958563

Title:
  Wrong permissions on vcio

Status in raspberrypi-userland package in Ubuntu:
  Confirmed

Bug description:
  The /dev/vcio can have the wrong permissions due to a change in the
  kernel. As reported in https://github.com/raspberrypi/linux/pull/4624
  (which I missed entirely, sorry pelwell!) we'll need a change in the
  udev rules to ensure the correct permissions are set.

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