4 files changed, 44 insertions, 2 deletions
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 279624833ea9..8f4054a56039 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -567,6 +567,11 @@ int drm_dp_dpcd_read_phy_link_status(struct drm_dp_aux *aux,
 				     enum drm_dp_phy dp_phy,
 				     u8 link_status[DP_LINK_STATUS_SIZE]);
 
+int drm_dp_dpcd_write_payload(struct drm_dp_aux *aux,
+			      int vcpid, u8 start_time_slot, u8 time_slot_count);
+int drm_dp_dpcd_clear_payload(struct drm_dp_aux *aux);
+int drm_dp_dpcd_poll_act_handled(struct drm_dp_aux *aux, int timeout_ms);
+
 bool drm_dp_send_real_edid_checksum(struct drm_dp_aux *aux,
 				    u8 real_edid_checksum);
 
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index f6a1cbb0f600..e39de161c938 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -700,6 +700,13 @@ struct drm_dp_mst_topology_mgr {
 	bool payload_id_table_cleared : 1;
 
 	/**
+	 * @reset_rx_state: The down request's reply and up request message
+	 * receiver state must be reset, after the topology manager got
+	 * removed. Protected by @lock.
+	 */
+	bool reset_rx_state : 1;
+
+	/**
 	 * @payload_count: The number of currently active payloads in hardware. This value is only
 	 * intended to be used internally by MST helpers for payload tracking, and is only safe to
 	 * read/write from the atomic commit (not check) context.
@@ -860,8 +867,7 @@ struct edid *drm_dp_mst_get_edid(struct drm_connector *connector,
 				 struct drm_dp_mst_topology_mgr *mgr,
 				 struct drm_dp_mst_port *port);
 
-fixed20_12 drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr,
-				    int link_rate, int link_lane_count);
+fixed20_12 drm_dp_get_vc_payload_bw(int link_rate, int link_lane_count);
 
 int drm_dp_calc_pbn_mode(int clock, int bpp);
 
diff --git a/include/drm/display/drm_hdmi_audio_helper.h b/include/drm/display/drm_hdmi_audio_helper.h
new file mode 100644
index 000000000000..c9a6faef4109
--- /dev/null
+++ b/include/drm/display/drm_hdmi_audio_helper.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_DISPLAY_HDMI_AUDIO_HELPER_H_
+#define DRM_DISPLAY_HDMI_AUDIO_HELPER_H_
+
+#include <linux/types.h>
+
+struct drm_connector;
+struct drm_connector_hdmi_audio_funcs;
+
+struct device;
+
+int drm_connector_hdmi_audio_init(struct drm_connector *connector,
+				  struct device *hdmi_codec_dev,
+				  const struct drm_connector_hdmi_audio_funcs *funcs,
+				  unsigned int max_i2s_playback_channels,
+				  bool spdif_playback,
+				  int sound_dai_port);
+void drm_connector_hdmi_audio_plugged_notify(struct drm_connector *connector,
+					     bool plugged);
+
+#endif
diff --git a/include/drm/display/drm_hdmi_state_helper.h b/include/drm/display/drm_hdmi_state_helper.h
index 2d45fcfa4619..9ae19f3caf72 100644
--- a/include/drm/display/drm_hdmi_state_helper.h
+++ b/include/drm/display/drm_hdmi_state_helper.h
@@ -8,6 +8,8 @@ struct drm_connector;
 struct drm_connector_state;
 struct hdmi_audio_infoframe;
 
+enum drm_connector_status;
+
 void __drm_atomic_helper_connector_hdmi_reset(struct drm_connector *connector,
 					      struct drm_connector_state *new_conn_state);
 
@@ -19,5 +21,12 @@ int drm_atomic_helper_connector_hdmi_update_audio_infoframe(struct drm_connector
 int drm_atomic_helper_connector_hdmi_clear_audio_infoframe(struct drm_connector *connector);
 int drm_atomic_helper_connector_hdmi_update_infoframes(struct drm_connector *connector,
 						       struct drm_atomic_state *state);
+void drm_atomic_helper_connector_hdmi_hotplug(struct drm_connector *connector,
+					      enum drm_connector_status status);
+void drm_atomic_helper_connector_hdmi_force(struct drm_connector *connector);
+
+enum drm_mode_status
+drm_hdmi_connector_mode_valid(struct drm_connector *connector,
+			      struct drm_display_mode *mode);
 
 #endif // DRM_HDMI_STATE_HELPER_H_