linux-kernel - Re: [PATCH V4] platform/x86/amd/pmf: Introduce new interface to export NPU metrics

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Message-ID: <6467de90-7a03-4e15-a549-bc882b29d579@amd.com>
Date: Mon, 26 Jan 2026 23:04:49 -0600
From: Mario Limonciello <mario.limonciello@....com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
 ogabbay@...nel.org, maciej.falkowski@...ux.intel.com, hansg@...nel.org,
 Jeff Hugo <jeff.hugo@....qualcomm.com>, Lizhi Hou <lizhi.hou@....com>
Cc: Shyam Sundar S K <Shyam-sundar.S-k@....com>,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 max.zhen@....com, sonal.santan@....com, platform-driver-x86@...r.kernel.org,
 VinitKumar.Shukla@....com, Patil Rajesh Reddy <Patil.Reddy@....com>
Subject: Re: [PATCH V4] platform/x86/amd/pmf: Introduce new interface to
 export NPU metrics



On 1/20/2026 8:54 AM, Ilpo Järvinen wrote:
> On Thu, 15 Jan 2026 09:34:48 -0800, Lizhi Hou wrote:
> 
>> The PMF driver retrieves NPU metrics data from the PMFW. Introduce a new
>> interface to make NPU metrics accessible to other drivers like AMDXDNA
>> driver, which can access and utilize this information as needed.
>>
>>
> 
> 
> Thank you for your contribution, it has been applied to my local
> review-ilpo-next branch. Note it will show up in the public
> platform-drivers-x86/review-ilpo-next branch only once I've pushed my
> local branch there, which might take a while.
> 
> The list of commits applied:
> [1/1] platform/x86/amd/pmf: Introduce new interface to export NPU metrics
>        commit: 15e19bd95be5c79f2f98b727edda002ba86f8d03
> 
> --
>   i.
> 

Lizhi,

One clarification.  What about the XDNA driver side of this change, are 
you still going to do it this cycle?

If so; this either needs an immutable branch from Ilpo or that side of 
the change needs to go through pdx86 as well.

Thanks,