diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 3c2649c27f88d813d652182e245fbb686c7a8401..9bcf1d15485e9e7a096f5c7b1203457bdd0407e2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1778,6 +1778,8 @@ struct intel_vbt_data {
 		u16 panel_id;
 		struct mipi_config *config;
 		struct mipi_pps_data *pps;
+		u16 bl_ports;
+		u16 cabc_ports;
 		u8 seq_version;
 		u32 size;
 		u8 *data;
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 9d5b4295343618e82784f8e1f8cd2cb23fa00cfd..c5405d173c5f150dcccbbfb565425d395926495d 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -691,6 +691,50 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
 	dev_priv->vbt.psr.tp2_tp3_wakeup_time = psr_table->tp2_tp3_wakeup_time;
 }
 
+static void parse_dsi_backlight_ports(struct drm_i915_private *dev_priv,
+				      u16 version, enum port port)
+{
+	if (!dev_priv->vbt.dsi.config->dual_link || version < 197) {
+		dev_priv->vbt.dsi.bl_ports = BIT(port);
+		if (dev_priv->vbt.dsi.config->cabc_supported)
+			dev_priv->vbt.dsi.cabc_ports = BIT(port);
+
+		dev_priv->vbt.dsi.config->dl_dcs_cabc_ports = 0;
+		dev_priv->vbt.dsi.config->dl_dcs_backlight_ports = 0;
+		return;
+	}
+
+	switch (dev_priv->vbt.dsi.config->dl_dcs_backlight_ports) {
+	case DL_DCS_PORT_A:
+		dev_priv->vbt.dsi.bl_ports = BIT(PORT_A);
+		break;
+	case DL_DCS_PORT_C:
+		dev_priv->vbt.dsi.bl_ports = BIT(PORT_C);
+		break;
+	default:
+	case DL_DCS_PORT_A_AND_C:
+		dev_priv->vbt.dsi.bl_ports = BIT(PORT_A) | BIT(PORT_C);
+		break;
+	}
+
+	if (!dev_priv->vbt.dsi.config->cabc_supported)
+		return;
+
+	switch (dev_priv->vbt.dsi.config->dl_dcs_cabc_ports) {
+	case DL_DCS_PORT_A:
+		dev_priv->vbt.dsi.cabc_ports = BIT(PORT_A);
+		break;
+	case DL_DCS_PORT_C:
+		dev_priv->vbt.dsi.cabc_ports = BIT(PORT_C);
+		break;
+	default:
+	case DL_DCS_PORT_A_AND_C:
+		dev_priv->vbt.dsi.cabc_ports =
+					BIT(PORT_A) | BIT(PORT_C);
+		break;
+	}
+}
+
 static void
 parse_mipi_config(struct drm_i915_private *dev_priv,
 		  const struct bdb_header *bdb)
@@ -699,9 +743,10 @@ parse_mipi_config(struct drm_i915_private *dev_priv,
 	const struct mipi_config *config;
 	const struct mipi_pps_data *pps;
 	int panel_type = dev_priv->vbt.panel_type;
+	enum port port;
 
 	/* parse MIPI blocks only if LFP type is MIPI */
-	if (!intel_bios_is_dsi_present(dev_priv, NULL))
+	if (!intel_bios_is_dsi_present(dev_priv, &port))
 		return;
 
 	/* Initialize this to undefined indicating no generic MIPI support */
@@ -742,15 +787,7 @@ parse_mipi_config(struct drm_i915_private *dev_priv,
 		return;
 	}
 
-	/*
-	 * These fields are introduced from the VBT version 197 onwards,
-	 * so making sure that these bits are set zero in the previous
-	 * versions.
-	 */
-	if (dev_priv->vbt.dsi.config->dual_link && bdb->version < 197) {
-		dev_priv->vbt.dsi.config->dl_dcs_cabc_ports = 0;
-		dev_priv->vbt.dsi.config->dl_dcs_backlight_ports = 0;
-	}
+	parse_dsi_backlight_ports(dev_priv, bdb->version, port);
 
 	/* We have mandatory mipi config blocks. Initialize as generic panel */
 	dev_priv->vbt.dsi.panel_id = MIPI_DSI_GENERIC_PANEL_ID;