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 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 4c766624b20d..3f93633a9ff2 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -111,6 +111,21 @@ void drm_connector_ida_destroy(void) ida_destroy(&drm_connector_enum_list[i].ida); }
+/** + * 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 681cb590f952..b91e369cfb11 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1500,6 +1500,7 @@ 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);