[PATCH 3/4] drm/uapi: document the USB subconnector type

[Laurent Pinchart]

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 at emersion.fr>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at 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