Public bug reported:

[ Impact ]

 * Multiple issues are noticed when validating Arrow Lake hardware after 
suspend.
  - An ethernet interface cannot be up after suspend - LP: #2111232
  - Found Network Controller configurations differences while running suspend 
stress tests - LP: #2110284
  - Found DRM Device configurations differences while running suspend stress 
test - LP: #2110284

[ Fix ]

Fix has been pointed out by intel by integrating
https://patchwork.kernel.org/project/linux-
pm/patch/[email protected]/

It has been integrated in 6.15 :
- bd820906ea9d platform/x86/intel/pmc: Add Arrow Lake U/H support to 
intel_pmc_core driver

4 other commits has been picked in the way but are only refactoring and
targeting only this specific driver.

[ Test Plan ]

 * Use targeted hardware to go into S3 and check for all interfaces
working.

[ Where problems could occur ]

 * Regression in other suspend management

[ Other Info ]
 
 * This is submitted for oracular even if EOL is soon as the 
validation/certification is currently happening on this kernel.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: linux (Ubuntu Oracular)
     Importance: High
     Assignee: Thibault Ferrante (thibf)
         Status: In Progress

** Affects: linux (Ubuntu Plucky)
     Importance: High
     Assignee: Thibault Ferrante (thibf)
         Status: In Progress

** Information type changed from Proprietary to Public

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Oracular)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Plucky)
   Importance: Undecided
       Status: New

** No longer affects: kobuk

** Changed in: linux (Ubuntu)
       Status: New => Fix Released

** Changed in: linux (Ubuntu Oracular)
     Assignee: (unassigned) => Thibault Ferrante (thibf)

** Changed in: linux (Ubuntu Plucky)
     Assignee: (unassigned) => Thibault Ferrante (thibf)

** Changed in: linux (Ubuntu Oracular)
       Status: New => In Progress

** Changed in: linux (Ubuntu Plucky)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Plucky)
       Status: New => In Progress

** Changed in: linux (Ubuntu Oracular)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/2112469

Title:
  Fix ARL-U/H suspend issues

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