linux-kernel - Re: [PATCH v4 09/13] dt-bindings: riscv: Add T-Head PMU extension description

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Message-ID: <ZW_nAMRDWoMo6t8r@APC323>
Date:   Wed, 6 Dec 2023 11:14:08 +0800
From:   Yu-Chien Peter Lin <peterlin@...estech.com>
To:     Inochi Amaoto <inochiama@...look.com>
CC:     Guo Ren <guoren@...nel.org>, <acme@...nel.org>,
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Subject: Re: [PATCH v4 09/13] dt-bindings: riscv: Add T-Head PMU extension
 description

On Fri, Dec 01, 2023 at 09:14:00AM +0800, Inochi Amaoto wrote:
<...>
> >>
> >> Hi, Peter Lin:
> >>
> >> You can use the following two document to get all events:
> >> https://github.com/T-head-Semi/openc906/tree/main/doc
> >> https://github.com/T-head-Semi/openc910/tree/main/doc
> >>
> >> There are also some RTL code can describe these events:
> >> https://github.com/T-head-Semi/openc910/blob/e0c4ad8ec7f8c70f649d826ebd6c949086453272/C910_RTL_FACTORY/gen_rtl/pmu/rtl/ct_hpcp_top.v#L1123
> >> https://github.com/T-head-Semi/openc906/blob/af5614d72de7e5a4b8609c427d2e20af1deb21c4/C906_RTL_FACTORY/gen_rtl/pmu/rtl/aq_hpcp_top.v#L543
> >>
> >> The perf events json can also be used as document, this is already
> >> applied (with more detailed explanation):
> >> https://lore.kernel.org/all/IA1PR20MB495325FCF603BAA841E29281BBBAA@IA1PR20MB4953.namprd20.prod.outlook.com/
> >
> >Thanks for reaching out!
> >The updated description will be:
> >
> >- const: xtheadpmu
> >  description:
> >    The T-Head performance monitor extension for counter overflow, as ratified
> >    in commit bd9206 ("Initial commit") of Xuantie C906 user manual.
> >    https://github.com/T-head-Semi/openc906/tree/main/doc
> >
> >Is it OK with you?
> >
> 
> Please indicate chapter 12 and chapter 13.5 of the manual related to
> the PMU. And changed openc906 manual to openc910 manual because it is
> more updated.
> 
> If modified:
> 
> Reviewed-by: Inochi Amaoto <inochiama@...look.com>

Got it! Thanks for the information.

Regards,
Peter Lin