Re: [PATCH v1] x86/amd_nb: Add new PCI IDs for AMD family 0x1a model 60h

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On Thu, Jul 18, 2024 at 11:37:31PM +0530, Shyam Sundar S K wrote:
> 
> 
> On 7/18/2024 22:43, Bjorn Helgaas wrote:
> > On Thu, Jul 18, 2024 at 07:32:58PM +0530, Shyam Sundar S K wrote:
> >> Add the new PCI Device IDs to the root IDs and misc ids list to support
> >> new generation of AMD 1Ah family 60h Models of processors.
> >>
> >> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>
> >> ---
> >> (As the amd_nb functions are used by PMC and PMF drivers, without these IDs
> >> being present AMD PMF/PMC probe shall fail.)
> > 
> > Is there any plan for making this generic so a kernel update is not
> > needed?  Obviously the *functionality* is not changed by this patch,
> > so having to add a device ID for every new processor just makes work
> > for distros and users.
> 
> Regarding AMD processors, there are numerous PCI IDs defined in the
> PPRs/BKDG. I'm not sure if there's a generic way to address this
> without a kernel update.
>

One of our colleagues is working on a possible solution. It'll likely
use device types and class codes so we don't need to add individual PCI
IDs for each new product.

Thanks,
Yazen




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