[PATCH 0/2] accel/ivpu: Expose NPU frequency into userspace

Jacek Lawrynowicz jacek.lawrynowicz at linux.intel.com
Fri Apr 11 10:06:09 UTC 2025


Applied to drm-misc-fixes

On 4/1/2025 5:59 PM, Maciej Falkowski wrote:
> This patchset introduces the capability to measure the NPU frequency
> and makes it accessible to a userspace via sysfs. The initial patch in the series
> addresses the inconsistency in retrieving the clock frequency from
> the device across the Meteor Lake and Lunar Lake generations.
> 
> Subsequently, the latter patch exposes the driver's frequency
> through sysfs to facilitate frequency sampling.
> 
> Andrzej Kacprowski (2):
>   accel/ivpu: Fix the NPU's DPU frequency calculation
>   accel/ivpu: Show NPU frequency in sysfs
> 
>  drivers/accel/ivpu/ivpu_drv.c     |   4 +-
>  drivers/accel/ivpu/ivpu_fw.c      |   3 +-
>  drivers/accel/ivpu/ivpu_hw.h      |  14 ++--
>  drivers/accel/ivpu/ivpu_hw_btrs.c | 134 ++++++++++++++----------------
>  drivers/accel/ivpu/ivpu_hw_btrs.h |   7 +-
>  drivers/accel/ivpu/ivpu_sysfs.c   |  49 ++++++++++-
>  include/uapi/drm/ivpu_accel.h     |   4 +-
>  7 files changed, 127 insertions(+), 88 deletions(-)
> 



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