Re: [PATCH v3 0/5] drm/xe/hwmon: Update hwmon thermal mailbox handling

["Poosa, Karthik" <karthik.poosa@intel.com>]

On 10-09-2026 23:57, Karthik Poosa wrote:
> This series adds CRI-specific temperature sensor handling to the Xe
> hwmon implementation.
>
> CRI platforms may report unavailable temperature sensors and support
> a variable number of VRAM temperature channels depending on platform
> configuration. This series adds the required sensor presence checks and
> uses platform-reported thermal configuration data to expose only valid
> temperature-related hwmon attributes.
>
> The series also corrects the telemetry group selection used for memory
> controller temperature reporting.
>
> v2:
>   - Address review comments from Sashiko, Badal and Raag.
>   - Enable IEEE 754 temperature decoding for MMIO temperature registers.
>    - Split sensor validity check into mailbox vs MMIO handling; add
>      is_temp_available() / is_temp_is_visible().
>   - Temporarily disable memory controller and PCIe temperatures on CRI.
>
> v3:
>    - Detect unavailable temperature sensors: rephrase a debug log.
>    - Use VRAM temperature sensor count from thermal config on CRI: address
>      review comments from sashiko-bot@kernel.org and Rodrigo.
>    - Decode CRI temperature registers as IEEE-754: reject temperatures that
>      overflow long on 32-bit systems.
>
> Karthik Poosa (5):
>    drm/xe/hwmon: Detect unavailable temperature sensors
>    drm/xe/hwmon: Use VRAM temperature sensor count from thermal config on
>      CRI
>    drm/xe/hwmon: Fix memory controller thermal data handling
>    drm/xe/hwmon: Decode CRI temperature registers as IEEE-754
>    drm/xe/hwmon: Disable memory controller and PCIe temperatures on CRI
>
>   drivers/gpu/drm/xe/xe_device_types.h |   4 +
>   drivers/gpu/drm/xe/xe_hwmon.c        | 322 ++++++++++++++++++++++-----
>   drivers/gpu/drm/xe/xe_pci.c          |   2 +
>   drivers/gpu/drm/xe/xe_pci_types.h    |   1 +
>   drivers/gpu/drm/xe/xe_pcode_api.h    |   1 +
>   5 files changed, 273 insertions(+), 57 deletions(-)

Next version of this patch series is at 
https://patchwork.freedesktop.org/series/174898/#rev2