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

From: Laurent Pinchart
Date: Wed Aug 02 2023 - 14:56:26 EST


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@xxxxxxxxxxx>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
> 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