diff options
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 48b08c9611a7..0167e0e0d425 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -33,6 +33,7 @@ #include <drm/drm_sysfs.h> #include <drm/drm_utils.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/uaccess.h> @@ -279,6 +280,7 @@ static int drm_connector_init_only(struct drm_device *dev, INIT_LIST_HEAD(&connector->probed_modes); INIT_LIST_HEAD(&connector->modes); mutex_init(&connector->mutex); + mutex_init(&connector->cec.mutex); mutex_init(&connector->eld_mutex); mutex_init(&connector->edid_override_mutex); mutex_init(&connector->hdmi.infoframes.lock); @@ -702,6 +704,46 @@ static void drm_mode_remove(struct drm_connector *connector, } /** + * drm_connector_cec_phys_addr_invalidate - invalidate CEC physical address + * @connector: connector undergoing CEC operation + * + * Invalidated CEC physical address set for this DRM connector. + */ +void drm_connector_cec_phys_addr_invalidate(struct drm_connector *connector) +{ + mutex_lock(&connector->cec.mutex); + + if (connector->cec.funcs && + connector->cec.funcs->phys_addr_invalidate) + connector->cec.funcs->phys_addr_invalidate(connector); + + mutex_unlock(&connector->cec.mutex); +} +EXPORT_SYMBOL(drm_connector_cec_phys_addr_invalidate); + +/** + * drm_connector_cec_phys_addr_set - propagate CEC physical address + * @connector: connector undergoing CEC operation + * + * Propagate CEC physical address from the display_info to this DRM connector. + */ +void drm_connector_cec_phys_addr_set(struct drm_connector *connector) +{ + u16 addr; + + mutex_lock(&connector->cec.mutex); + + addr = connector->display_info.source_physical_address; + + if (connector->cec.funcs && + connector->cec.funcs->phys_addr_set) + connector->cec.funcs->phys_addr_set(connector, addr); + + mutex_unlock(&connector->cec.mutex); +} +EXPORT_SYMBOL(drm_connector_cec_phys_addr_set); + +/** * drm_connector_cleanup - cleans up an initialised connector * @connector: connector to cleanup * |