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path: root/drivers/gpu/drm/drm_connector.c
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Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
-rw-r--r--drivers/gpu/drm/drm_connector.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 48b08c9611a7..272d6254ea47 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
*
@@ -1645,7 +1687,7 @@ EXPORT_SYMBOL(drm_hdmi_connector_get_output_format_name);
* structure from userspace. This is received as blob and stored in
* &drm_connector_state.hdr_output_metadata. It parses EDID and saves the
* sink metadata in &struct hdr_sink_metadata, as
- * &drm_connector.hdr_sink_metadata. Driver uses
+ * &drm_connector.display_info.hdr_sink_metadata. Driver uses
* drm_hdmi_infoframe_set_hdr_metadata() helper to set the HDR metadata,
* hdmi_drm_infoframe_pack() to pack the infoframe as per spec, in case of
* HDMI encoder.