diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index c1e5bba91bff879025491d27386065dca9fd535b..39883cd915db1d0d5328f046a9e0ce8775317a34 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3051,7 +3051,7 @@ static void intel_connector_info(struct seq_file *m,
 		break;
 	case DRM_MODE_CONNECTOR_HDMIA:
 		if (intel_encoder->type == INTEL_OUTPUT_HDMI ||
-		    intel_encoder->type == INTEL_OUTPUT_UNKNOWN)
+		    intel_encoder->type == INTEL_OUTPUT_DDI)
 			intel_hdmi_info(m, intel_connector);
 		break;
 	default:
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 7e0b1a02912a6d5a70094cc3843a14d31543b2a0..e5dd281781fea1c4d9f93755e143a0ddc1866ba2 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -497,10 +497,8 @@ enum port intel_ddi_get_encoder_port(struct intel_encoder *encoder)
 	switch (encoder->type) {
 	case INTEL_OUTPUT_DP_MST:
 		return enc_to_mst(&encoder->base)->primary->port;
-	case INTEL_OUTPUT_DP:
 	case INTEL_OUTPUT_EDP:
-	case INTEL_OUTPUT_HDMI:
-	case INTEL_OUTPUT_UNKNOWN:
+	case INTEL_OUTPUT_DDI:
 		return enc_to_dig_port(&encoder->base)->port;
 	case INTEL_OUTPUT_ANALOG:
 		return PORT_E;
@@ -1534,6 +1532,7 @@ void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 	uint32_t temp;
+
 	temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
 	if (state == true)
 		temp |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
@@ -2652,21 +2651,36 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 	intel_ddi_compute_min_voltage_level(dev_priv, pipe_config);
 }
 
+static enum intel_output_type
+intel_ddi_compute_output_type(struct intel_encoder *encoder,
+			      struct intel_crtc_state *crtc_state,
+			      struct drm_connector_state *conn_state)
+{
+	switch (conn_state->connector->connector_type) {
+	case DRM_MODE_CONNECTOR_HDMIA:
+		return INTEL_OUTPUT_HDMI;
+	case DRM_MODE_CONNECTOR_eDP:
+		return INTEL_OUTPUT_EDP;
+	case DRM_MODE_CONNECTOR_DisplayPort:
+		return INTEL_OUTPUT_DP;
+	default:
+		MISSING_CASE(conn_state->connector->connector_type);
+		return INTEL_OUTPUT_UNUSED;
+	}
+}
+
 static bool intel_ddi_compute_config(struct intel_encoder *encoder,
 				     struct intel_crtc_state *pipe_config,
 				     struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	int type = encoder->type;
 	int port = intel_ddi_get_encoder_port(encoder);
 	int ret;
 
-	WARN(type == INTEL_OUTPUT_UNKNOWN, "compute_config() on unknown output!\n");
-
 	if (port == PORT_A)
 		pipe_config->cpu_transcoder = TRANSCODER_EDP;
 
-	if (type == INTEL_OUTPUT_HDMI)
+	if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI))
 		ret = intel_hdmi_compute_config(encoder, pipe_config, conn_state);
 	else
 		ret = intel_dp_compute_config(encoder, pipe_config, conn_state);
@@ -2815,6 +2829,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	drm_encoder_init(&dev_priv->drm, encoder, &intel_ddi_funcs,
 			 DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port));
 
+	intel_encoder->compute_output_type = intel_ddi_compute_output_type;
 	intel_encoder->compute_config = intel_ddi_compute_config;
 	intel_encoder->enable = intel_enable_ddi;
 	if (IS_GEN9_LP(dev_priv))
@@ -2868,9 +2883,10 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 		max_lanes = 4;
 	}
 
+	intel_dig_port->dp.output_reg = INVALID_MMIO_REG;
 	intel_dig_port->max_lanes = max_lanes;
 
-	intel_encoder->type = INTEL_OUTPUT_UNKNOWN;
+	intel_encoder->type = INTEL_OUTPUT_DDI;
 	intel_encoder->power_domain = intel_port_to_power_domain(port);
 	intel_encoder->port = port;
 	intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8f769e9b9342d1da522a68d42d62581ade6eb93a..737de251d0f85bf3903fc16d5d37e1a1b646d619 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10579,7 +10579,7 @@ static const char * const output_type_str[] = {
 	OUTPUT_TYPE(DP),
 	OUTPUT_TYPE(EDP),
 	OUTPUT_TYPE(DSI),
-	OUTPUT_TYPE(UNKNOWN),
+	OUTPUT_TYPE(DDI),
 	OUTPUT_TYPE(DP_MST),
 };
 
@@ -10750,7 +10750,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state)
 
 		switch (encoder->type) {
 			unsigned int port_mask;
-		case INTEL_OUTPUT_UNKNOWN:
+		case INTEL_OUTPUT_DDI:
 			if (WARN_ON(!HAS_DDI(to_i915(dev))))
 				break;
 		case INTEL_OUTPUT_DP:
@@ -10883,7 +10883,12 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
 		 * Determine output_types before calling the .compute_config()
 		 * hooks so that the hooks can use this information safely.
 		 */
-		pipe_config->output_types |= 1 << encoder->type;
+		if (encoder->compute_output_type)
+			pipe_config->output_types |=
+				BIT(encoder->compute_output_type(encoder, pipe_config,
+								 connector_state));
+		else
+			pipe_config->output_types |= BIT(encoder->type);
 	}
 
 encoder_retry:
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 30688a5d680db509ff618f02759e6eac3cca489a..f0c49962ffbeb900884d6a1289c703b4d00a1728 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -758,11 +758,16 @@ void intel_power_sequencer_reset(struct drm_i915_private *dev_priv)
 		struct intel_dp *intel_dp;
 
 		if (encoder->type != INTEL_OUTPUT_DP &&
-		    encoder->type != INTEL_OUTPUT_EDP)
+		    encoder->type != INTEL_OUTPUT_EDP &&
+		    encoder->type != INTEL_OUTPUT_DDI)
 			continue;
 
 		intel_dp = enc_to_intel_dp(&encoder->base);
 
+		/* Skip pure DVI/HDMI DDI encoders */
+		if (!i915_mmio_reg_valid(intel_dp->output_reg))
+			continue;
+
 		WARN_ON(intel_dp->active_pipe != INVALID_PIPE);
 
 		if (encoder->type != INTEL_OUTPUT_EDP)
@@ -4733,8 +4738,6 @@ intel_dp_long_pulse(struct intel_connector *intel_connector)
 {
 	struct drm_connector *connector = &intel_connector->base;
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
-	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
-	struct intel_encoder *intel_encoder = &intel_dig_port->base;
 	struct drm_device *dev = connector->dev;
 	enum drm_connector_status status;
 	u8 sink_irq_vector = 0;
@@ -4767,9 +4770,6 @@ intel_dp_long_pulse(struct intel_connector *intel_connector)
 		goto out;
 	}
 
-	if (intel_encoder->type != INTEL_OUTPUT_EDP)
-		intel_encoder->type = INTEL_OUTPUT_DP;
-
 	if (intel_dp->reset_link_params) {
 		/* Initial max link lane count */
 		intel_dp->max_link_lane_count = intel_dp_max_common_lane_count(intel_dp);
@@ -4886,9 +4886,6 @@ intel_dp_force(struct drm_connector *connector)
 	intel_dp_set_edid(intel_dp);
 
 	intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
-
-	if (intel_encoder->type != INTEL_OUTPUT_EDP)
-		intel_encoder->type = INTEL_OUTPUT_DP;
 }
 
 static int intel_dp_get_modes(struct drm_connector *connector)
@@ -5107,10 +5104,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	enum irqreturn ret = IRQ_NONE;
 
-	if (intel_dig_port->base.type != INTEL_OUTPUT_EDP &&
-	    intel_dig_port->base.type != INTEL_OUTPUT_HDMI)
-		intel_dig_port->base.type = INTEL_OUTPUT_DP;
-
 	if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) {
 		/*
 		 * vdd off can generate a long pulse on eDP which
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index df966427232cc7fa85f9b3be0280ad3afed9ceac..629ebc73bb094b0f778b1dfc215b233c7a550b0e 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -173,7 +173,7 @@ enum intel_output_type {
 	INTEL_OUTPUT_DP = 7,
 	INTEL_OUTPUT_EDP = 8,
 	INTEL_OUTPUT_DSI = 9,
-	INTEL_OUTPUT_UNKNOWN = 10,
+	INTEL_OUTPUT_DDI = 10,
 	INTEL_OUTPUT_DP_MST = 11,
 };
 
@@ -216,6 +216,9 @@ struct intel_encoder {
 	enum port port;
 	unsigned int cloneable;
 	void (*hot_plug)(struct intel_encoder *);
+	enum intel_output_type (*compute_output_type)(struct intel_encoder *,
+						      struct intel_crtc_state *,
+						      struct drm_connector_state *);
 	bool (*compute_config)(struct intel_encoder *,
 			       struct intel_crtc_state *,
 			       struct drm_connector_state *);
@@ -1152,7 +1155,7 @@ enc_to_dig_port(struct drm_encoder *encoder)
 	struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
 
 	switch (intel_encoder->type) {
-	case INTEL_OUTPUT_UNKNOWN:
+	case INTEL_OUTPUT_DDI:
 		WARN_ON(!HAS_DDI(to_i915(encoder->dev)));
 	case INTEL_OUTPUT_DP:
 	case INTEL_OUTPUT_EDP:
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0ec30b4a7dcee8b5caf00faa62f6330aec0a1b72..fe46abfeba26a80d80d299985cbd478efeaa7244 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1627,12 +1627,9 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
 
 	intel_hdmi_unset_edid(connector);
 
-	if (intel_hdmi_set_edid(connector)) {
-		struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
-
-		hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI;
+	if (intel_hdmi_set_edid(connector))
 		status = connector_status_connected;
-	} else
+	else
 		status = connector_status_disconnected;
 
 	intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);
@@ -1643,8 +1640,6 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
 static void
 intel_hdmi_force(struct drm_connector *connector)
 {
-	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
-
 	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
 		      connector->base.id, connector->name);
 
@@ -1654,7 +1649,6 @@ intel_hdmi_force(struct drm_connector *connector)
 		return;
 
 	intel_hdmi_set_edid(connector);
-	hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI;
 }
 
 static int intel_hdmi_get_modes(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 1d946240e55f45920bebc7ed3ca801cc805e6a29..39714be3eb6b115478594dc6293125e54e82e1d5 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -383,7 +383,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
 	case INTEL_OUTPUT_ANALOG:
 		type = DISPLAY_TYPE_CRT;
 		break;
-	case INTEL_OUTPUT_UNKNOWN:
+	case INTEL_OUTPUT_DDI:
 	case INTEL_OUTPUT_DP:
 	case INTEL_OUTPUT_HDMI:
 	case INTEL_OUTPUT_DP_MST: