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

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Date:   Sat, 29 Jul 2023 03:49:12 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Simon Ser <contact@...rsion.fr>, Janne Grunau <j@...nau.net>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org
Subject: [PATCH 3/4] drm/uapi: document the USB subconnector type

To properly define the USB-C DP altmode connectors, add the USB
subconnector type.

Suggested-by: Simon Ser <contact@...rsion.fr>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.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 */
 };
 
 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
-- 
2.39.2