ACK: [SRU][N:linux][PATCH 0/2] Fix ARL-U/H suspend issues

[Stefan Bader]

On 07.08.25 01:02, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2112469
> 
> [ 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/20250207225615.401235-7-xi.pardee@linux.intel.com/
> 
> It has been integrated in 6.15 :
> - bd820906ea9d platform/x86/intel/pmc: Add Arrow Lake U/H support to intel_pmc_core driver
> 
> It has been backported to avoid bringing a large refactoring.
> 
> [ Test Plan ]
> 
>   * Use targeted hardware to go into S3 and check for all network interfaces working.
> 
> [ Where problems could occur ]
> 
>   * Regression in other intel hardware suspend management.
> 
> Todd Brandt (1):
>    platform/x86/intel/pmc: Fix Arrow Lake U/H NPU PCI ID
> 
> Xi Pardee (1):
>    platform/x86/intel/pmc: Add Arrow Lake U/H support to intel_pmc_core
>      driver
> 
>   drivers/platform/x86/intel/pmc/arl.c  | 59 +++++++++++++++++++++++++++
>   drivers/platform/x86/intel/pmc/core.c |  1 +
>   drivers/platform/x86/intel/pmc/core.h |  1 +
>   3 files changed, 61 insertions(+)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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