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Date:   Wed, 2 Aug 2023 21:55:47 +0300
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc:     David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
        Andrzej Hajda <andrzej.hajda@intel.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Robert Foss <rfoss@kernel.org>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Simon Ser <contact@emersion.fr>, Janne Grunau <j@jannau.net>,
        Alex Deucher <alexander.deucher@amd.com>,
        Christian =?utf-8?B?S8O2bmln?= <christian.koenig@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>,
        Harry Wentland <harry.wentland@amd.com>,
        Leo Li <sunpeng.li@amd.com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
        amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 3/4] drm/uapi: document the USB subconnector type
Message-ID: <20230802185547.GC32500@pendragon.ideasonboard.com>
References: <20230729004913.215872-1-dmitry.baryshkov@linaro.org>
 <20230729004913.215872-4-dmitry.baryshkov@linaro.org>
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In-Reply-To: <20230729004913.215872-4-dmitry.baryshkov@linaro.org>
Precedence: bulk

Hi Dmitry,

Thank you for the patch.

On Sat, Jul 29, 2023 at 03:49:12AM +0300, Dmitry Baryshkov wrote:
> To properly define the USB-C DP altmode connectors, add the USB
> subconnector type.
> 
> Suggested-by: Simon Ser <contact@emersion.fr>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
>  drivers/gpu/drm/drm_connector.c | 1 +
>  include/uapi/drm/drm_mode.h     | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index a6066e4a5e9a..9e96b038f5d0 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -1050,6 +1050,7 @@ static const struct drm_prop_enum_list drm_dp_subconnector_enum_list[] = {
>  	{ DRM_MODE_SUBCONNECTOR_DisplayPort, "DP"        }, /* DP */
>  	{ DRM_MODE_SUBCONNECTOR_Wireless,    "Wireless"  }, /* DP */
>  	{ DRM_MODE_SUBCONNECTOR_Native,	     "Native"    }, /* DP */
> +	{ DRM_MODE_SUBCONNECTOR_USB,	     "USB"       }, /* DP */

Should this be DRM_MODE_SUBCONNECTOR_USB_C and "USB-C", in case we get
another USB type later ?

>  };
>  
>  DRM_ENUM_NAME_FN(drm_get_dp_subconnector_name,
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index 92d96a2b6763..0f74918b011c 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -398,6 +398,7 @@ enum drm_mode_subconnector {
>  	DRM_MODE_SUBCONNECTOR_HDMIA       = 11, /*            DP */
>  	DRM_MODE_SUBCONNECTOR_Native      = 15, /*            DP */
>  	DRM_MODE_SUBCONNECTOR_Wireless    = 18, /*            DP */
> +	DRM_MODE_SUBCONNECTOR_USB         = 20, /*            DP */
>  };
>  
>  #define DRM_MODE_CONNECTOR_Unknown	0

-- 
Regards,

Laurent Pinchart