diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_connector.h | 19 | ||||
| -rw-r--r-- | include/drm/drm_mode_config.h | 5 | ||||
| -rw-r--r-- | include/uapi/drm/drm_mode.h | 4 |
3 files changed, 28 insertions, 0 deletions
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index e5e1eddd19fb..f08aa5dfc9d7 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -90,6 +90,17 @@ enum subpixel_order { }; /** + * enum drm_link_status - connector's link_status property value + * + * This enum is used as the connector's link status property value. + * It is set to the values defined in uapi. + */ +enum drm_link_status { + DRM_LINK_STATUS_GOOD = DRM_MODE_LINK_STATUS_GOOD, + DRM_LINK_STATUS_BAD = DRM_MODE_LINK_STATUS_BAD, +}; + +/** * struct drm_display_info - runtime data about the connected sink * * Describes a given display (e.g. CRT or flat panel) and its limitations. For @@ -243,6 +254,12 @@ struct drm_connector_state { struct drm_encoder *best_encoder; + /** + * @link_status: Connector link_status to keep track of whether link is + * GOOD or BAD to notify userspace if retraining is necessary. + */ + enum drm_link_status link_status; + struct drm_atomic_state *state; struct drm_tv_connector_state tv; @@ -837,6 +854,8 @@ int drm_mode_connector_set_path_property(struct drm_connector *connector, int drm_mode_connector_set_tile_property(struct drm_connector *connector); int drm_mode_connector_update_edid_property(struct drm_connector *connector, const struct edid *edid); +void drm_mode_connector_set_link_status_property(struct drm_connector *connector, + uint64_t link_status); /** * struct drm_tile_group - Tile group metadata diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index f220ee909bdb..ea169a90b3c4 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -439,6 +439,11 @@ struct drm_mode_config { */ struct drm_property *tile_property; /** + * @link_status_property: Default connector property for link status + * of a connector + */ + struct drm_property *link_status_property; + /** * @plane_type_property: Default plane property to differentiate * CURSOR, PRIMARY and OVERLAY legacy uses of planes. */ diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index ce7efe2e8a5e..8c67fc03d53d 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -123,6 +123,10 @@ extern "C" { #define DRM_MODE_DIRTY_ON 1 #define DRM_MODE_DIRTY_ANNOTATE 2 +/* Link Status options */ +#define DRM_MODE_LINK_STATUS_GOOD 0 +#define DRM_MODE_LINK_STATUS_BAD 1 + struct drm_mode_modeinfo { __u32 clock; __u16 hdisplay; |