5 files changed, 28 insertions, 3 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 3bd9f482f0c3..c413ef68f9a3 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -697,6 +697,9 @@
 #define DP_UPSTREAM_DEVICE_DP_PWR_NEED	    0x118   /* 1.2 */
 # define DP_PWR_NOT_NEEDED		    (1 << 0)
 
+#define DP_EXTENDED_DPRX_SLEEP_WAKE_TIMEOUT_GRANT	    0x119   /* 1.4a */
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_GRANTED	    (1 << 0)
+
 #define DP_FEC_CONFIGURATION		    0x120    /* 1.4 */
 # define DP_FEC_READY			    (1 << 0)
 # define DP_FEC_ERR_COUNT_SEL_MASK	    (7 << 1)
@@ -997,6 +1000,7 @@
 # define DP_EDP_14			    0x03
 # define DP_EDP_14a                         0x04    /* eDP 1.4a */
 # define DP_EDP_14b                         0x05    /* eDP 1.4b */
+# define DP_EDP_15			    0x06    /* eDP 1.5 */
 
 #define DP_EDP_GENERAL_CAP_1		    0x701
 # define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP		(1 << 0)
@@ -1169,6 +1173,15 @@
 # define DP_VSC_EXT_CEA_SDP_SUPPORTED			(1 << 6)  /* DP 1.4 */
 # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED		(1 << 7)  /* DP 1.4 */
 
+#define DP_EXTENDED_DPRX_SLEEP_WAKE_TIMEOUT_REQUEST	0x2211  /* 1.4a */
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_MASK		0xff
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_1_MS		0x00
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_20_MS	0x01
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_40_MS	0x02
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_60_MS	0x03
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_80_MS	0x04
+# define DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_100_MS	0x05
+
 #define DP_DPRX_FEATURE_ENUMERATION_LIST_CONT_1         0x2214 /* 2.0 E11 */
 # define DP_ADAPTIVE_SYNC_SDP_SUPPORTED    (1 << 0)
 # define DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE		GENMASK(1, 0)
@@ -1474,6 +1487,8 @@
 #define DP_MAX_LANE_COUNT_PHY_REPEATER			    0xf0004 /* 1.4a */
 #define DP_Repeater_FEC_CAPABILITY			    0xf0004 /* 1.4 */
 #define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT		    0xf0005 /* 1.4a */
+# define DP_EXTENDED_WAKE_TIMEOUT_REQUEST_MASK		0x7f
+# define DP_EXTENDED_WAKE_TIMEOUT_GRANT			(1 << 7)
 #define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER	    0xf0006 /* 2.0 */
 # define DP_PHY_REPEATER_128B132B_SUPPORTED		    (1 << 0)
 /* See DP_128B132B_SUPPORTED_LINK_RATES for values */
@@ -1656,7 +1671,7 @@ enum drm_dp_phy {
 #define DP_RECEIVER_CAP_SIZE		0xf
 #define DP_DSC_RECEIVER_CAP_SIZE        0x10 /* DSC Capabilities 0x60 through 0x6F */
 #define EDP_PSR_RECEIVER_CAP_SIZE	2
-#define EDP_DISPLAY_CTL_CAP_SIZE	3
+#define EDP_DISPLAY_CTL_CAP_SIZE	5
 #define DP_LTTPR_COMMON_CAP_SIZE	8
 #define DP_LTTPR_PHY_CAP_SIZE		3
 
diff --git a/include/drm/display/drm_dp_dual_mode_helper.h b/include/drm/display/drm_dp_dual_mode_helper.h
index 7ee482265087..7ac6969db935 100644
--- a/include/drm/display/drm_dp_dual_mode_helper.h
+++ b/include/drm/display/drm_dp_dual_mode_helper.h
@@ -117,5 +117,5 @@ const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);
 int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
 			enum drm_lspcon_mode *current_mode);
 int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter,
-			enum drm_lspcon_mode reqd_mode);
+			enum drm_lspcon_mode reqd_mode, int time_out);
 #endif
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 8f4054a56039..5ae4241959f2 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -630,9 +630,12 @@ int drm_dp_read_lttpr_phy_caps(struct drm_dp_aux *aux,
 			       u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
 int drm_dp_lttpr_count(const u8 cap[DP_LTTPR_COMMON_CAP_SIZE]);
 int drm_dp_lttpr_max_link_rate(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_lttpr_set_transparent_mode(struct drm_dp_aux *aux, bool enable);
+int drm_dp_lttpr_init(struct drm_dp_aux *aux, int lttpr_count);
 int drm_dp_lttpr_max_lane_count(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
 bool drm_dp_lttpr_voltage_swing_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
 bool drm_dp_lttpr_pre_emphasis_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+void drm_dp_lttpr_wake_timeout_setup(struct drm_dp_aux *aux, bool transparent_mode);
 
 void drm_dp_remote_aux_init(struct drm_dp_aux *aux);
 void drm_dp_aux_init(struct drm_dp_aux *aux);
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index e39de161c938..2cfe1d4bfc96 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -222,6 +222,13 @@ struct drm_dp_mst_branch {
 	 */
 	struct list_head destroy_next;
 
+	/**
+	 * @rad: Relative Address of the MST branch.
+	 * For &drm_dp_mst_topology_mgr.mst_primary, it's rad[8] are all 0,
+	 * unset and unused. For MST branches connected after mst_primary,
+	 * in each element of rad[] the nibbles are ordered by the most
+	 * signifcant 4 bits first and the least significant 4 bits second.
+	 */
 	u8 rad[8];
 	u8 lct;
 	int num_ports;
diff --git a/include/drm/display/drm_hdmi_state_helper.h b/include/drm/display/drm_hdmi_state_helper.h
index 44ec5c4a7503..2349c0d0f00f 100644
--- a/include/drm/display/drm_hdmi_state_helper.h
+++ b/include/drm/display/drm_hdmi_state_helper.h
@@ -28,6 +28,6 @@ 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);
+			      const struct drm_display_mode *mode);
 
 #endif // DRM_HDMI_STATE_HELPER_H_