APPLIED[Q]: [SRU][Q/R][PATCH 0/3] add pmc c6 support of Arrow Lake

[Stefan Bader]

On 09/01/2026 05:20, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/2137615
> 
> [Impact]
> The error is shown in dmesg:
> kernel: intel_pmc_core INT33A1:00: pmc_core: couldn't get DMU telem endpoint -6
> c6 status in not shown in debugfs.
> 
> [Fix]
> Add Arrow Lake PMU GUIDs in pmc_core:
> a32f7d76e3cd7 platform/x86:intel/pmc: Add DMU GUID to Arrow Lake U/H
> 3b603955f2423 platform/x86:intel/pmc: Add support for multiple DMU GUIDs
> 644ab3bc98ee3 platform/x86:intel/pmc: Update Arrow Lake telemetry GUID
> 
> [Test]
> The pmc error is not shown in dmesg.
> # cat /sys/kernel/debug/pmc_core/die_c6_us_show
> 16476381
> 
> [Where problems could occur]
> It may break intel pmc support.
> 
> Noble 6.8 kernel got some conflicts and need many commits and revert.
> So SRU for questing, oem-6.17 and resolute.
> 
> Xi Pardee (3):
>    platform/x86:intel/pmc: Update Arrow Lake telemetry GUID
>    platform/x86:intel/pmc: Add support for multiple DMU GUIDs
>    platform/x86:intel/pmc: Add DMU GUID to Arrow Lake U/H
> 
>   drivers/platform/x86/intel/pmc/arl.c  |  6 ++++--
>   drivers/platform/x86/intel/pmc/core.c | 22 ++++++++++++++++++----
>   drivers/platform/x86/intel/pmc/core.h |  9 +++++----
>   drivers/platform/x86/intel/pmc/mtl.c  |  3 ++-
>   4 files changed, 29 insertions(+), 11 deletions(-)
> 


Applied to questing:linux/master-next. Thanks.

-Stefan

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