drm_connector_init doesn't attach the edid property for some connector types, drm_connector_attach_edid_property() can be used to enable the edid property in these cases.
Signed-off-by: Gerd Hoffmann kraxel@redhat.com --- include/drm/drm_connector.h | 1 + drivers/gpu/drm/drm_connector.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+)
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 97ea41dc67..4d58966b54 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1083,6 +1083,7 @@ int drm_connector_init(struct drm_device *dev, struct drm_connector *connector, const struct drm_connector_funcs *funcs, int connector_type); +void drm_connector_attach_edid_property(struct drm_connector *connector); int drm_connector_register(struct drm_connector *connector); void drm_connector_unregister(struct drm_connector *connector); int drm_connector_attach_encoder(struct drm_connector *connector, diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 6011d769d5..6c6ef4f9b9 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -291,6 +291,26 @@ int drm_connector_init(struct drm_device *dev, EXPORT_SYMBOL(drm_connector_init);
/** + * drm_connector_attach_edid_property - attach edid property. + * @dev: DRM device + * @connector: the connector + * + * Some connector types like DRM_MODE_CONNECTOR_VIRTUAL do not get a + * edid property attached by default. This function can be used to + * explicitly enable the edid property in these cases. + * + */ +void drm_connector_attach_edid_property(struct drm_connector *connector) +{ + struct drm_mode_config *config = &connector->dev->mode_config; + + drm_object_attach_property(&connector->base, + config->edid_property, + 0); +} +EXPORT_SYMBOL(drm_connector_attach_edid_property); + +/** * drm_connector_attach_encoder - attach a connector to an encoder * @connector: connector to attach * @encoder: encoder to attach @connector to