linux-kernel - Re: [RFC PATCH] powercap: Add Hygon Fam18h RAPL support

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Message-ID: <0a8f11cfbc761767b7a994f724af3dac124184c9.camel@linux.intel.com>
Date:   Sun, 28 Feb 2021 07:42:29 -0800
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Pu Wen <puwen@...on.cn>, linux-kernel@...r.kernel.org
Cc:     linux-pm@...r.kernel.org, rjw@...ysocki.net, rafael@...nel.org,
        bp@...en8.de, victording@...gle.com, kim.phillips@....com,
        rui.zhang@...el.com
Subject: Re: [RFC PATCH] powercap: Add Hygon Fam18h RAPL support

On Thu, 2021-02-25 at 21:01 +0800, Pu Wen wrote:
> Enable Hygon Fam18h RAPL support for the power capping framework.
> 
If this patch is tested and works on this processor, not sure why this
is RFC?

Thanks,
Srinivas

> Signed-off-by: Pu Wen <puwen@...on.cn>
> ---
>  drivers/powercap/intel_rapl_common.c | 1 +
>  drivers/powercap/intel_rapl_msr.c    | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/powercap/intel_rapl_common.c
> b/drivers/powercap/intel_rapl_common.c
> index fdda2a737186..73cf68af9770 100644
> --- a/drivers/powercap/intel_rapl_common.c
> +++ b/drivers/powercap/intel_rapl_common.c
> @@ -1069,6 +1069,7 @@ static const struct x86_cpu_id rapl_ids[]
> __initconst = {
>  
>  	X86_MATCH_VENDOR_FAM(AMD, 0x17, &rapl_defaults_amd),
>  	X86_MATCH_VENDOR_FAM(AMD, 0x19, &rapl_defaults_amd),
> +	X86_MATCH_VENDOR_FAM(HYGON, 0x18, &rapl_defaults_amd),
>  	{}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, rapl_ids);
> diff --git a/drivers/powercap/intel_rapl_msr.c
> b/drivers/powercap/intel_rapl_msr.c
> index 78213d4b5b16..cc3b22881bfe 100644
> --- a/drivers/powercap/intel_rapl_msr.c
> +++ b/drivers/powercap/intel_rapl_msr.c
> @@ -150,6 +150,7 @@ static int rapl_msr_probe(struct platform_device
> *pdev)
>  	case X86_VENDOR_INTEL:
>  		rapl_msr_priv = &rapl_msr_priv_intel;
>  		break;
> +	case X86_VENDOR_HYGON:
>  	case X86_VENDOR_AMD:
>  		rapl_msr_priv = &rapl_msr_priv_amd;
>  		break;