Public bug reported:

the current 5.15.0-1004-raspi kernel for 22.04 does not enable the
CONFIG_DRM_PANEL_ILITEK_ILI9881C=m option, thus such touchscreen panels
can not be used

the cutiepi (https://cutiepi.io/) project does use this hardware for their pi 
based tablets.
 
booting ubuntu 22.04 on such a tablet is only possible with an external HDMI 
monitor attached at this moment. it would be nice if Ubuntu could work OOTB on 
this hardware.

while the jammy kernel seems to already ship the required dtb overlay
"cutiepi-panel.dtbo", the modules this overlay uses are not there.

below is a Kconfig commit outlining the required options:

https://github.com/cutiepi-
io/linux/commit/de6774dca11b815e647fa08d71f3eac9009c2dff

** Affects: linux-raspi (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1968469

Title:
  ILITEK_ILI9881C panel driver missing

Status in linux-raspi package in Ubuntu:
  New

Bug description:
  the current 5.15.0-1004-raspi kernel for 22.04 does not enable the
  CONFIG_DRM_PANEL_ILITEK_ILI9881C=m option, thus such touchscreen
  panels can not be used

  the cutiepi (https://cutiepi.io/) project does use this hardware for their pi 
based tablets.
   
  booting ubuntu 22.04 on such a tablet is only possible with an external HDMI 
monitor attached at this moment. it would be nice if Ubuntu could work OOTB on 
this hardware.

  while the jammy kernel seems to already ship the required dtb overlay
  "cutiepi-panel.dtbo", the modules this overlay uses are not there.

  below is a Kconfig commit outlining the required options:

  https://github.com/cutiepi-
  io/linux/commit/de6774dca11b815e647fa08d71f3eac9009c2dff

To manage notifications about this bug go to:
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