diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 07a502fd6773ee2b3e04637915a5930d316dc721..6eb43647163cf052fc35c7e35e91c892d06ed24e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1461,7 +1461,7 @@ __intel_dp_read_desc(struct intel_dp *intel_dp, struct intel_dp_desc *desc)
 	       sizeof(*desc);
 }
 
-static bool intel_dp_read_desc(struct intel_dp *intel_dp)
+bool intel_dp_read_desc(struct intel_dp *intel_dp)
 {
 	struct intel_dp_desc *desc = &intel_dp->desc;
 	bool oui_sup = intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] &
@@ -3521,6 +3521,8 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp)
 	if (!intel_dp_read_dpcd(intel_dp))
 		return false;
 
+	intel_dp_read_desc(intel_dp);
+
 	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
 		dev_priv->no_aux_handshake = intel_dp->dpcd[DP_MAX_DOWNSPREAD] &
 			DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index b9583268aafb963ef5035b02b3f1193c3f41774e..20fb6e72e90e889c4673a19693d746f88baf19b5 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1468,6 +1468,7 @@ static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
 }
 
 bool intel_dp_read_dpcd(struct intel_dp *intel_dp);
+bool intel_dp_read_desc(struct intel_dp *intel_dp);
 
 /* intel_dp_aux_backlight.c */
 int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector);
diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c
index 23b817acd99d25c4439f1d656527a256e2b87999..c5f278b250a789a41bf1bf7fe53d0ad360a40961 100644
--- a/drivers/gpu/drm/i915/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/intel_lspcon.c
@@ -136,6 +136,8 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
 		return false;
 	}
 
+	intel_dp_read_desc(dp);
+
 	DRM_DEBUG_KMS("Success: LSPCON init\n");
 	return true;
 }