Public bug reported:

[ Impact ]

 * Enable powercap subsystem on ARL-H

[ Fix ]

 * Backport of upstream commit from 6.12 needed:
 3ebe9c12559c6 `powercap: intel_rapl_msr: Add PL4 support for ArrowLake-H`

[ Test Plan ]

 * Compiled
 * Verify there is an entry populated on ARL-H under /sys/class/powercap/

[ Where problems could occur ]

 * Regression in the powercap subsystem.

[ Other Info ]
 
This is a public version of: https://bugs.launchpad.net/bugs/2111883

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

** Affects: linux (Ubuntu Noble)
     Importance: Medium
     Assignee: Thibault Ferrante (thibf)
         Status: New

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

** No longer affects: kobuk

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

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

** Changed in: linux (Ubuntu Noble)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/2115652

Title:
  intel_rapl: support ARL-H hardware

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