linux-kernel - Re: [PATCH REPOST v5 1/3] powernv, cpufreq: Select CPUFreq related Kconfig options for powernv

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Message-ID: <1396345609.28055.7.camel@pasglop>
Date:	Tue, 01 Apr 2014 20:46:49 +1100
From:	Benjamin Herrenschmidt <benh@....ibm.com>
To:	"Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
Cc:	Viresh Kumar <viresh.kumar@...aro.org>, rjw@...ysocki.net,
	linuxppc-dev@...abs.org, Linux PM list <linux-pm@...r.kernel.org>,
	svaidy@...ux.vnet.ibm.com, srivatsa.bhat@...ux.vnet.ibm.com,
	Anton Blanchard <anton@...ba.org>, cpufreq@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH REPOST v5 1/3] powernv, cpufreq: Select CPUFreq related
 Kconfig options for powernv

On Tue, 2014-04-01 at 12:43 +0530, Gautham R. Shenoy wrote:
> From: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
> 
> Enable CPUFreq for PowerNV. Select "performance", "powersave",
> "userspace" and "ondemand" governors. Choose "ondemand" to be the
> default governor.

Rafael, are you going to take these or should I send them to Linus ?

(I'd rather you take them :-)

Cheers,
Ben.

> 
> Signed-off-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com>
> Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>
> ---
>  arch/powerpc/configs/pseries_defconfig    | 1 +
>  arch/powerpc/configs/pseries_le_defconfig | 1 +
>  arch/powerpc/platforms/powernv/Kconfig    | 6 ++++++
>  3 files changed, 8 insertions(+)
> 
> diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
> index 9ea8342b..a905063 100644
> --- a/arch/powerpc/configs/pseries_defconfig
> +++ b/arch/powerpc/configs/pseries_defconfig
> @@ -306,3 +306,4 @@ CONFIG_KVM_BOOK3S_64=m
>  CONFIG_KVM_BOOK3S_64_HV=y
>  CONFIG_TRANSPARENT_HUGEPAGE=y
>  CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
> +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> diff --git a/arch/powerpc/configs/pseries_le_defconfig b/arch/powerpc/configs/pseries_le_defconfig
> index 3c84f9d..58e3dbf 100644
> --- a/arch/powerpc/configs/pseries_le_defconfig
> +++ b/arch/powerpc/configs/pseries_le_defconfig
> @@ -301,3 +301,4 @@ CONFIG_CRYPTO_LZO=m
>  # CONFIG_CRYPTO_ANSI_CPRNG is not set
>  CONFIG_CRYPTO_DEV_NX=y
>  CONFIG_CRYPTO_DEV_NX_ENCRYPT=m
> +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig
> index 895e8a2..c252ee9 100644
> --- a/arch/powerpc/platforms/powernv/Kconfig
> +++ b/arch/powerpc/platforms/powernv/Kconfig
> @@ -11,6 +11,12 @@ config PPC_POWERNV
>  	select PPC_UDBG_16550
>  	select PPC_SCOM
>  	select ARCH_RANDOM
> +	select CPU_FREQ
> +	select CPU_FREQ_GOV_PERFORMANCE
> +	select CPU_FREQ_GOV_POWERSAVE
> +	select CPU_FREQ_GOV_USERSPACE
> +	select CPU_FREQ_GOV_ONDEMAND
> +	select CPU_FREQ_GOV_CONSERVATIVE
>  	default y
>  
>  config PPC_POWERNV_RTAS


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