linux-kernel - Re: [PATCH v9 2/5] drm/msm/dp: add displayPort driver support

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Message-ID: <b0e8415f-53e6-575d-5774-5f4f7adca982@infradead.org>
Date:   Fri, 7 Aug 2020 08:37:48 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Tanmay Shah <tanmay@...eaurora.org>, swboyd@...omium.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        robdclark@...il.com
Cc:     linux-kernel@...r.kernel.org, freedreno@...ts.freedesktop.org,
        seanpaul@...omium.org, daniel@...ll.ch, airlied@...ux.ie,
        aravindh@...eaurora.org, abhinavk@...eaurora.org,
        khsieh@...eaurora.org, Chandan Uddaraju <chandanu@...eaurora.org>,
        Vara Reddy <varar@...eaurora.org>,
        Guenter Roeck <groeck@...omium.org>
Subject: Re: [PATCH v9 2/5] drm/msm/dp: add displayPort driver support

On 8/7/20 12:17 AM, Tanmay Shah wrote:
> diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
> index 6deaa7d01654..ea3c4d094d09 100644
> --- a/drivers/gpu/drm/msm/Kconfig
> +++ b/drivers/gpu/drm/msm/Kconfig
> @@ -57,6 +57,14 @@ config DRM_MSM_HDMI_HDCP
>  	help
>  	  Choose this option to enable HDCP state machine
>  
> +config DRM_MSM_DP
> +	bool "Enable DP support in MSM DRM driver"

	bool "Enabled DisplayPort support in MSM DRM driver"

> +	depends on DRM_MSM
> +	help
> +	  Compile in support for DP driver in msm drm driver. DP external

	                                      MSM DRM

Also:
I can't find anywhere in drivers/gpu/drm/msm/ that explains what MSM means.
What does it mean?

> +	  display support is enabled through this config option. It can
> +	  be primary or secondary display on device.
> +
>  config DRM_MSM_DSI
>  	bool "Enable DSI support in MSM DRM driver"
>  	depends on DRM_MSM

thanks.
-- 
~Randy