Re: AMD SMU driver (amdsmu)

obiwac wrote:
> This is the PCI device ID of the root complex (usually hostb0). You
> can check this with pciconf -lv in "device", e.g.
> 
> hostb0@pci0:0:0:0:    class=0x060000 rev=0x00 hdr=0x00 vendor=0x1022
> device=0x14e8 subvendor=0xf111 subdevice=0x0006
>     vendor     = 'Advanced Micro Devices, Inc. [AMD]'
>     device     = 'Phoenix Root Complex'
>     class      = bridge
>     subclass   = HOST-PCI

Thanks, I was misled by "CPUID" in the constant name.

> On Fri, 25 Jul 2025 at 12:37, <cyric@mm.st> wrote:
>>
>> obiwac wrote:
>>> Hi!
>>>
>>> I have added an amdsmu driver for the AMD SMU chip (which is necessary
>>> for S0i3 entry as well as diagnostics), and I'm looking for people to
>>> review and test these changes out.
>>>
>>> The three patches I'm interested in at the moment are:
>>>
>>> - https://reviews.freebsd.org/D48683 amdsmu: Initial work on a driver
>>> for the AMD SMU
>>> - https://reviews.freebsd.org/D48714 amdsmu: Get and expose sysctls
>>> for metrics about last sleep
>>> - https://reviews.freebsd.org/D51487 amdsmu: Read and dump idlemask
>>>
>>> There is one other amdsmu-related patch, but it depends on ACPI
>>> changes for s2idle that haven't been committed yet, so it's less of a
>>> priority:
>>>
>>> - https://reviews.freebsd.org/D48721 amdsmu: Sleep entry/exit hints for PMFW
>>>
>>> This is currently only expected to work on the following CPUs:
>>>
>>>     #define CPUID_AMD_REMBRANDT    0x14B5
>>>     #define CPUID_AMD_PHOENIX    0x14E8
>>>     #define CPUID_AMD_STRIX_POINT    0x14A4
>>
>> How does this map to e.g. dmesg cpu information?
>>
>> CPU: AMD Ryzen 9 9900X 12-Core Processor             (4391.75-MHz
>> K8-class CPU)
>>   Origin="AuthenticAMD"  Id=0xb40f40  Family=0x1a  Model=0x44  Stepping=0
>>
>>> And of these, I have only had the opportunity to test on Phoenix
>>> (specifically the 7040 series).
>>
>