From b35f90f2d4a63cf2bc427f5c4e33eb86d963e716 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 26 Feb 2020 13:24:22 +0200 Subject: [PATCH] drm/connector: Add helper to get a connector type name drm_connector.c contains a map of connector types (DRM_MODE_CONNECTOR_*) to name strings, but doesn't expose it. This leads to drivers having to store a similar map. Add a new drm_get_connector_type_name() helper function that return a name string for a connector type. Signed-off-by: Laurent Pinchart Reviewed-by: Boris Brezillon Reviewed-by: Sam Ravnborg Tested-by: Sebastian Reichel Reviewed-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-3-laurent.pinchart@ideasonboard.com --- drivers/gpu/drm/drm_connector.c | 15 +++++++++++++++ include/drm/drm_connector.h | 1 + 2 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index f632ca0..644f0ad 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -112,6 +112,21 @@ void drm_connector_ida_destroy(void) } /** + * drm_get_connector_type_name - return a string for connector type + * @type: The connector type (DRM_MODE_CONNECTOR_*) + * + * Returns: the name of the connector type, or NULL if the type is not valid. + */ +const char *drm_get_connector_type_name(unsigned int type) +{ + if (type < ARRAY_SIZE(drm_connector_enum_list)) + return drm_connector_enum_list[type].name; + + return NULL; +} +EXPORT_SYMBOL(drm_get_connector_type_name); + +/** * drm_connector_get_cmdline_mode - reads the user's cmdline mode * @connector: connector to quwery * diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index b381537..c3bd526 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1518,6 +1518,7 @@ drm_connector_is_unregistered(struct drm_connector *connector) DRM_CONNECTOR_UNREGISTERED; } +const char *drm_get_connector_type_name(unsigned int connector_type); const char *drm_get_connector_status_name(enum drm_connector_status status); const char *drm_get_subpixel_order_name(enum subpixel_order order); const char *drm_get_dpms_name(int val); -- 2.7.4