diff options
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
-rw-r--r-- | drivers/gpu/drm/drm_connector.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index aa18b1d7d3e4..7bd9d824dd7d 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1272,6 +1272,37 @@ int drm_mode_create_scaling_mode_property(struct drm_device *dev) EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); /** + * drm_connector_attach_vrr_capable_property - creates the + * vrr_capable property + * @connector: connector to create the vrr_capable property on. + * + * This is used by atomic drivers to add support for querying + * variable refresh rate capability for a connector. + * + * Returns: + * Zero on success, negative errono on failure. + */ +int drm_connector_attach_vrr_capable_property( + struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_property *prop; + + if (!connector->vrr_capable_property) { + prop = drm_property_create_bool(dev, DRM_MODE_PROP_IMMUTABLE, + "vrr_capable"); + if (!prop) + return -ENOMEM; + + connector->vrr_capable_property = prop; + drm_object_attach_property(&connector->base, prop, 0); + } + + return 0; +} +EXPORT_SYMBOL(drm_connector_attach_vrr_capable_property); + +/** * drm_connector_attach_scaling_mode_property - attach atomic scaling mode property * @connector: connector to attach scaling mode property on. * @scaling_mode_mask: or'ed mask of BIT(%DRM_MODE_SCALE_\*). @@ -1600,6 +1631,24 @@ void drm_connector_set_link_status_property(struct drm_connector *connector, EXPORT_SYMBOL(drm_connector_set_link_status_property); /** + * drm_connector_set_vrr_capable_property - sets the variable refresh rate + * capable property for a connector + * @connector: drm connector + * @capable: True if the connector is variable refresh rate capable + * + * Should be used by atomic drivers to update the indicated support for + * variable refresh rate over a connector. + */ +void drm_connector_set_vrr_capable_property( + struct drm_connector *connector, bool capable) +{ + drm_object_property_set_value(&connector->base, + connector->vrr_capable_property, + capable); +} +EXPORT_SYMBOL(drm_connector_set_vrr_capable_property); + +/** * drm_connector_init_panel_orientation_property - * initialize the connecters panel_orientation property * @connector: connector for which to init the panel-orientation property. |