ACK/Cmnt: [SRU][P:linux][PATCH v2 0/8] drm/xe: support power limits

[Manuel Diewald]

On Thu, Sep 11, 2025 at 09:58:29AM +0200, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2122435
> 
> [ Impact ]
> 
>  * Support power limits for hardware supported by drm/xe driver.
> 
> [ Fix ]
> 
>  * Integrate patchset coming from https://lore.kernel.org/all/20250529163458.2354509-1-karthik.poosa@intel.com/
>  * Include prerequisite commit: drm/xe/hwmon: expose fan speed
>  * Include also a fix commit: drm/xe/hwmon: Fix xe_hwmon_power_max_write
> 
> Everything is upstream.
> 
> [ Test Plan ]
> 
>  * Tested by intel.
>  * Compile, test on supported hardware and checks exposed hwmon sysfs entries.
> 
> 
> [ Where problems could occur ]
> 
>  * Regression in drm/xe power management.
> 
> v2: Forgot [SRU] in the mail subject.
> 
> Karthik Poosa (7):
>   drm/xe/hwmon: Add support to manage power limits though mailbox
>   drm/xe/hwmon: Move card reactive critical power under channel card
>   drm/xe/hwmon: Add support to manage PL2 though mailbox
>   drm/xe/hwmon: Expose powerX_cap_interval
>   drm/xe/hwmon: Read energy status from PMT
>   drm/xe/hwmon: Expose power sysfs entries based on firmware support
>   drm/xe/hwmon: Fix xe_hwmon_power_max_write
> 
> Raag Jadav (1):
>   drm/xe/hwmon: expose fan speed
> 
>  .../ABI/testing/sysfs-driver-intel-xe-hwmon   |  92 ++-
>  drivers/gpu/drm/xe/regs/xe_mchbar_regs.h      |  11 +-
>  drivers/gpu/drm/xe/regs/xe_pcode_regs.h       |   9 +-
>  drivers/gpu/drm/xe/regs/xe_pmt.h              |   5 +
>  drivers/gpu/drm/xe/xe_device_types.h          |   6 +
>  drivers/gpu/drm/xe/xe_hwmon.c                 | 629 ++++++++++++++----
>  drivers/gpu/drm/xe/xe_pci.c                   |   9 +
>  drivers/gpu/drm/xe/xe_pcode.c                 |  11 +
>  drivers/gpu/drm/xe/xe_pcode.h                 |   3 +
>  drivers/gpu/drm/xe/xe_pcode_api.h             |  10 +
>  drivers/gpu/drm/xe/xe_vsec.c                  |   4 +-
>  drivers/gpu/drm/xe/xe_vsec.h                  |   4 +
>  12 files changed, 655 insertions(+), 138 deletions(-)
> 
> -- 
> 2.48.1
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

Follow-up fix 4e1d3b5e6423 ("drm/xe/hwmon: Remove type casting") looks
like refactoring only, so it's probably okay to wait for it to arrive
through stable updates.

Acked-by: Manuel Diewald <manuel.diewald at canonical.com>

-- 
 Manuel
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