linux-kernel - Re: [PATCH v2 2/5] mei: add support for graphics system controller (gsc) devices

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Date:   Wed, 26 Jan 2022 19:05:32 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Alexander Usyskin <alexander.usyskin@...el.com>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Vitaly Lubart <vitaly.lubart@...el.com>,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/5] mei: add support for graphics system controller
 (gsc) devices

On Wed, Jan 19, 2022 at 05:58:04PM +0200, Alexander Usyskin wrote:
> From: Tomas Winkler <tomas.winkler@...el.com>
> 
> GSC is a graphics system controller, based on CSE, it provides
> a chassis controller for graphics discrete cards, as well as it
> supports media protection on selected devices.
> 
> mei_gsc binds to a auxiliary devices exposed by Intel discrete
> driver i915.
> 
> Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> ---
>  drivers/misc/mei/Kconfig  |  14 +++
>  drivers/misc/mei/Makefile |   3 +
>  drivers/misc/mei/gsc-me.c | 192 ++++++++++++++++++++++++++++++++++++++
>  drivers/misc/mei/hw-me.c  |  27 +++++-
>  drivers/misc/mei/hw-me.h  |   2 +
>  5 files changed, 236 insertions(+), 2 deletions(-)
>  create mode 100644 drivers/misc/mei/gsc-me.c
> 
> diff --git a/drivers/misc/mei/Kconfig b/drivers/misc/mei/Kconfig
> index 0e0bcd0da852..ec119bb98251 100644
> --- a/drivers/misc/mei/Kconfig
> +++ b/drivers/misc/mei/Kconfig
> @@ -46,6 +46,20 @@ config INTEL_MEI_TXE
>  	  Supported SoCs:
>  	  Intel Bay Trail
>  
> +config INTEL_MEI_GSC
> +	tristate "Intel MEI GSC embedded device"
> +	select INTEL_MEI
> +	select INTEL_MEI_ME

Please don't select, why not just depend on?

thanks,

greg k-h