ACPI binding with SCMI
Pawandeep Oza
poza at qti.qualcomm.com
Tue Aug 29 08:10:34 PDT 2023
I am looking for scmi binding to ACPI. Basically, SCMI based perf control.
We have ACPI based system, so I am looking for where I can describe (some way to describe doorbell and share memory in ACPI),
and then scmi perf can bind to it via some sort of transport (perhaps fastchannels ? )
Regards,
Oza.
-----Original Message-----
From: Sudeep Holla <sudeep.holla at arm.com>
Sent: Tuesday, August 29, 2023 2:19 AM
To: Pawandeep Oza (QUIC) <quic_poza at quicinc.com>
Cc: rafael at kernel.org; Sudeep Holla <sudeep.holla at arm.com>; linux-arm-kernel at lists.infradead.org; linux-kernel at vger.kernel.org; linux-acpi at vger.kernel.org
Subject: Re: ACPI binding with SCMI
WARNING: This email originated from outside of Qualcomm. Please be wary of any links or attachments, and do not enable macros.
On Fri, Aug 25, 2023 at 09:34:59PM +0000, Pawandeep Oza (QUIC) wrote:
[...]
>
> But I still fail to see how fastchannel doorbell and shared memory
> space could get bind to PCC space (type 3) ? I am on 6.3 kernel.
They simply don't bind to PCC, PCC can't be fast channel. What exactly are you looking for here ? If you provide more details on that, I can see if I can help or suggest or may be explore along with you if the solution doesn't exists yet.
--
Regards,
Sudeep
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