diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 1ce525c8f97c..d16edf112858 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -477,7 +477,9 @@ struct tcpm_port {
 
 	/* Alternate mode data */
 	struct pd_mode_data mode_data;
+	struct pd_mode_data mode_data_prime;
 	struct typec_altmode *partner_altmode[ALTMODE_DISCOVERY_MAX];
+	struct typec_altmode *plug_prime_altmode[ALTMODE_DISCOVERY_MAX];
 	struct typec_altmode *port_altmode[ALTMODE_DISCOVERY_MAX];
 
 	/* Deadline in jiffies to exit src_try_wait state */
@@ -1636,9 +1638,11 @@ static void svdm_consume_identity_sop_prime(struct tcpm_port *port, const u32 *p
 	}
 }
 
-static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt)
+static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt,
+			       enum tcpm_transmit_type rx_sop_type)
 {
-	struct pd_mode_data *pmdata = &port->mode_data;
+	struct pd_mode_data *pmdata = rx_sop_type == TCPC_TX_SOP_PRIME ?
+				      &port->mode_data_prime : &port->mode_data;
 	int i;
 
 	for (i = 1; i < cnt; i++) {
@@ -1684,14 +1688,29 @@ static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt)
 	return false;
 }
 
-static void svdm_consume_modes(struct tcpm_port *port, const u32 *p, int cnt)
+static void svdm_consume_modes(struct tcpm_port *port, const u32 *p, int cnt,
+			       enum tcpm_transmit_type rx_sop_type)
 {
 	struct pd_mode_data *pmdata = &port->mode_data;
 	struct typec_altmode_desc *paltmode;
 	int i;
 
-	if (pmdata->altmodes >= ARRAY_SIZE(port->partner_altmode)) {
-		/* Already logged in svdm_consume_svids() */
+	switch (rx_sop_type) {
+	case TCPC_TX_SOP_PRIME:
+		pmdata = &port->mode_data_prime;
+		if (pmdata->altmodes >= ARRAY_SIZE(port->plug_prime_altmode)) {
+			/* Already logged in svdm_consume_svids() */
+			return;
+		}
+		break;
+	case TCPC_TX_SOP:
+		pmdata = &port->mode_data;
+		if (pmdata->altmodes >= ARRAY_SIZE(port->partner_altmode)) {
+			/* Already logged in svdm_consume_svids() */
+			return;
+		}
+		break;
+	default:
 		return;
 	}
 
@@ -1729,7 +1748,28 @@ static void tcpm_register_partner_altmodes(struct tcpm_port *port)
 	}
 }
 
+static void tcpm_register_plug_altmodes(struct tcpm_port *port)
+{
+	struct pd_mode_data *modep = &port->mode_data_prime;
+	struct typec_altmode *altmode;
+	int i;
+
+	typec_plug_set_num_altmodes(port->plug_prime, modep->altmodes);
+
+	for (i = 0; i < modep->altmodes; i++) {
+		altmode = typec_plug_register_altmode(port->plug_prime,
+						&modep->altmode_desc[i]);
+		if (IS_ERR(altmode)) {
+			tcpm_log(port, "Failed to register plug SVID 0x%04x",
+				 modep->altmode_desc[i].svid);
+			altmode = NULL;
+		}
+		port->plug_prime_altmode[i] = altmode;
+	}
+}
+
 #define supports_modal(port)	PD_IDH_MODAL_SUPP((port)->partner_ident.id_header)
+#define supports_modal_cable(port)     PD_IDH_MODAL_SUPP((port)->cable_ident.id_header)
 #define supports_host(port)    PD_IDH_HOST_SUPP((port->partner_ident.id_header))
 
 /*
@@ -1807,6 +1847,15 @@ static bool tcpm_attempt_vconn_swap_discovery(struct tcpm_port *port)
 	return false;
 }
 
+
+static bool tcpm_cable_vdm_supported(struct tcpm_port *port)
+{
+	return !IS_ERR_OR_NULL(port->cable) &&
+	       typec_cable_is_active(port->cable) &&
+	       supports_modal_cable(port) &&
+	       tcpm_can_communicate_sop_prime(port);
+}
+
 static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
 			const u32 *p, int cnt, u32 *response,
 			enum adev_actions *adev_action,
@@ -1814,8 +1863,8 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
 			enum tcpm_transmit_type *response_tx_sop_type)
 {
 	struct typec_port *typec = port->typec_port;
-	struct typec_altmode *pdev;
-	struct pd_mode_data *modep;
+	struct typec_altmode *pdev, *pdev_prime;
+	struct pd_mode_data *modep, *modep_prime;
 	int svdm_version;
 	int rlen = 0;
 	int cmd_type;
@@ -1836,6 +1885,11 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
 
 	switch (rx_sop_type) {
 	case TCPC_TX_SOP_PRIME:
+		modep_prime = &port->mode_data_prime;
+		pdev_prime = typec_match_altmode(port->plug_prime_altmode,
+						 ALTMODE_DISCOVERY_MAX,
+						 PD_VDO_VID(p[0]),
+						 PD_VDO_OPOS(p[0]));
 		if (!IS_ERR_OR_NULL(port->cable)) {
 			svdm_version = typec_get_cable_svdm_version(typec);
 			if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
@@ -1843,11 +1897,21 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
 		}
 		break;
 	case TCPC_TX_SOP:
+		modep = &port->mode_data;
+		pdev = typec_match_altmode(port->partner_altmode,
+					   ALTMODE_DISCOVERY_MAX,
+					   PD_VDO_VID(p[0]),
+					   PD_VDO_OPOS(p[0]));
 		svdm_version = typec_get_negotiated_svdm_version(typec);
 		if (svdm_version < 0)
 			return 0;
 		break;
 	default:
+		modep = &port->mode_data;
+		pdev = typec_match_altmode(port->partner_altmode,
+					   ALTMODE_DISCOVERY_MAX,
+					   PD_VDO_VID(p[0]),
+					   PD_VDO_OPOS(p[0]));
 		svdm_version = typec_get_negotiated_svdm_version(typec);
 		if (svdm_version < 0)
 			return 0;
@@ -1939,6 +2003,9 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
 		 * SOP'		Discover Identity
 		 * SOP		Discover SVIDs
 		 *		Discover Modes
+		 * (Active Cables)
+		 * SOP'		Discover SVIDs
+		 *		Discover Modes
 		 *
 		 * Perform Discover SOP' if the port can communicate with cable
 		 * plug.
@@ -2018,26 +2085,62 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
 			}
 			break;
 		case CMD_DISCOVER_SVID:
+			*response_tx_sop_type = rx_sop_type;
 			/* 6.4.4.3.2 */
-			if (svdm_consume_svids(port, p, cnt)) {
+			if (svdm_consume_svids(port, p, cnt, rx_sop_type)) {
 				response[0] = VDO(USB_SID_PD, 1, svdm_version, CMD_DISCOVER_SVID);
 				rlen = 1;
-			} else if (modep->nsvids && supports_modal(port)) {
-				response[0] = VDO(modep->svids[0], 1, svdm_version,
-						  CMD_DISCOVER_MODES);
-				rlen = 1;
+			} else {
+				if (rx_sop_type == TCPC_TX_SOP) {
+					if (modep->nsvids && supports_modal(port)) {
+						response[0] = VDO(modep->svids[0], 1, svdm_version,
+								CMD_DISCOVER_MODES);
+						rlen = 1;
+					}
+				} else if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+					if (modep_prime->nsvids) {
+						response[0] = VDO(modep_prime->svids[0], 1,
+								  svdm_version, CMD_DISCOVER_MODES);
+						rlen = 1;
+					}
+				}
 			}
 			break;
 		case CMD_DISCOVER_MODES:
-			/* 6.4.4.3.3 */
-			svdm_consume_modes(port, p, cnt);
-			modep->svid_index++;
-			if (modep->svid_index < modep->nsvids) {
-				u16 svid = modep->svids[modep->svid_index];
-				response[0] = VDO(svid, 1, svdm_version, CMD_DISCOVER_MODES);
-				rlen = 1;
-			} else {
-				tcpm_register_partner_altmodes(port);
+			if (rx_sop_type == TCPC_TX_SOP) {
+				/* 6.4.4.3.3 */
+				svdm_consume_modes(port, p, cnt, rx_sop_type);
+				modep->svid_index++;
+				if (modep->svid_index < modep->nsvids) {
+					u16 svid = modep->svids[modep->svid_index];
+					*response_tx_sop_type = TCPC_TX_SOP;
+					response[0] = VDO(svid, 1, svdm_version,
+							  CMD_DISCOVER_MODES);
+					rlen = 1;
+				} else if (tcpm_cable_vdm_supported(port)) {
+					*response_tx_sop_type = TCPC_TX_SOP_PRIME;
+					response[0] = VDO(USB_SID_PD, 1,
+							  typec_get_cable_svdm_version(typec),
+							  CMD_DISCOVER_SVID);
+					rlen = 1;
+				} else {
+					tcpm_register_partner_altmodes(port);
+				}
+			} else if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+				/* 6.4.4.3.3 */
+				svdm_consume_modes(port, p, cnt, rx_sop_type);
+				modep_prime->svid_index++;
+				if (modep_prime->svid_index < modep_prime->nsvids) {
+					u16 svid = modep_prime->svids[modep_prime->svid_index];
+					*response_tx_sop_type = TCPC_TX_SOP_PRIME;
+					response[0] = VDO(svid, 1,
+							  typec_get_cable_svdm_version(typec),
+							  CMD_DISCOVER_MODES);
+					rlen = 1;
+				} else {
+					tcpm_register_plug_altmodes(port);
+					tcpm_register_partner_altmodes(port);
+				}
 			}
 			break;
 		case CMD_ENTER_MODE:
@@ -2418,6 +2521,16 @@ static void vdm_run_state_machine(struct tcpm_port *port)
 				tcpm_queue_vdm(port, response[0], &response[1],
 					       0, TCPC_TX_SOP);
 				break;
+			/*
+			 * If Discover SVIDs or Discover Modes fail, then
+			 * proceed with Alt Mode discovery process on SOP.
+			 */
+			case CMD_DISCOVER_SVID:
+				tcpm_register_partner_altmodes(port);
+				break;
+			case CMD_DISCOVER_MODES:
+				tcpm_register_partner_altmodes(port);
+				break;
 			default:
 				break;
 			}
@@ -4124,14 +4237,20 @@ static void tcpm_typec_disconnect(struct tcpm_port *port)
 static void tcpm_unregister_altmodes(struct tcpm_port *port)
 {
 	struct pd_mode_data *modep = &port->mode_data;
+	struct pd_mode_data *modep_prime = &port->mode_data_prime;
 	int i;
 
 	for (i = 0; i < modep->altmodes; i++) {
 		typec_unregister_altmode(port->partner_altmode[i]);
 		port->partner_altmode[i] = NULL;
 	}
+	for (i = 0; i < modep_prime->altmodes; i++) {
+		typec_unregister_altmode(port->plug_prime_altmode[i]);
+		port->plug_prime_altmode[i] = NULL;
+	}
 
 	memset(modep, 0, sizeof(*modep));
+	memset(modep_prime, 0, sizeof(*modep_prime));
 }
 
 static void tcpm_set_partner_usb_comm_capable(struct tcpm_port *port, bool capable)