diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 246d6883fbf7..162cc58c7b8f 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -623,8 +623,61 @@ static struct panel_simple *panel_simple_probe(struct device *dev)
 	if (IS_ERR(desc))
 		return ERR_CAST(desc);
 
+	connector_type = desc->connector_type;
+	/* Catch common mistakes for panels. */
+	switch (connector_type) {
+	case 0:
+		dev_warn(dev, "Specify missing connector_type\n");
+		connector_type = DRM_MODE_CONNECTOR_DPI;
+		break;
+	case DRM_MODE_CONNECTOR_LVDS:
+		WARN_ON(desc->bus_flags &
+			~(DRM_BUS_FLAG_DE_LOW |
+			  DRM_BUS_FLAG_DE_HIGH |
+			  DRM_BUS_FLAG_DATA_MSB_TO_LSB |
+			  DRM_BUS_FLAG_DATA_LSB_TO_MSB));
+		WARN_ON(desc->bus_format != MEDIA_BUS_FMT_RGB666_1X7X3_SPWG &&
+			desc->bus_format != MEDIA_BUS_FMT_RGB888_1X7X4_SPWG &&
+			desc->bus_format != MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA);
+		WARN_ON(desc->bus_format == MEDIA_BUS_FMT_RGB666_1X7X3_SPWG &&
+			desc->bpc != 6);
+		WARN_ON((desc->bus_format == MEDIA_BUS_FMT_RGB888_1X7X4_SPWG ||
+			 desc->bus_format == MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA) &&
+			desc->bpc != 8);
+		break;
+	case DRM_MODE_CONNECTOR_eDP:
+		dev_warn(dev, "eDP panels moved to panel-edp\n");
+		return ERR_PTR(-EINVAL);
+	case DRM_MODE_CONNECTOR_DSI:
+		if (desc->bpc != 6 && desc->bpc != 8)
+			dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
+		break;
+	case DRM_MODE_CONNECTOR_DPI:
+		bus_flags = DRM_BUS_FLAG_DE_LOW |
+			    DRM_BUS_FLAG_DE_HIGH |
+			    DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE |
+			    DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
+			    DRM_BUS_FLAG_DATA_MSB_TO_LSB |
+			    DRM_BUS_FLAG_DATA_LSB_TO_MSB |
+			    DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE |
+			    DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE;
+		if (desc->bus_flags & ~bus_flags)
+			dev_warn(dev, "Unexpected bus_flags(%d)\n", desc->bus_flags & ~bus_flags);
+		if (!(desc->bus_flags & bus_flags))
+			dev_warn(dev, "Specify missing bus_flags\n");
+		if (desc->bus_format == 0)
+			dev_warn(dev, "Specify missing bus_format\n");
+		if (desc->bpc != 6 && desc->bpc != 8)
+			dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
+		break;
+	default:
+		dev_warn(dev, "Specify a valid connector_type: %d\n", desc->connector_type);
+		connector_type = DRM_MODE_CONNECTOR_DPI;
+		break;
+	}
+
 	panel = devm_drm_panel_alloc(dev, struct panel_simple, base,
-				     &panel_simple_funcs, desc->connector_type);
+				     &panel_simple_funcs, connector_type);
 	if (IS_ERR(panel))
 		return ERR_CAST(panel);
 
@@ -666,60 +719,6 @@ static struct panel_simple *panel_simple_probe(struct device *dev)
 			goto free_ddc;
 	}
 
-	connector_type = desc->connector_type;
-	/* Catch common mistakes for panels. */
-	switch (connector_type) {
-	case 0:
-		dev_warn(dev, "Specify missing connector_type\n");
-		connector_type = DRM_MODE_CONNECTOR_DPI;
-		break;
-	case DRM_MODE_CONNECTOR_LVDS:
-		WARN_ON(desc->bus_flags &
-			~(DRM_BUS_FLAG_DE_LOW |
-			  DRM_BUS_FLAG_DE_HIGH |
-			  DRM_BUS_FLAG_DATA_MSB_TO_LSB |
-			  DRM_BUS_FLAG_DATA_LSB_TO_MSB));
-		WARN_ON(desc->bus_format != MEDIA_BUS_FMT_RGB666_1X7X3_SPWG &&
-			desc->bus_format != MEDIA_BUS_FMT_RGB888_1X7X4_SPWG &&
-			desc->bus_format != MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA);
-		WARN_ON(desc->bus_format == MEDIA_BUS_FMT_RGB666_1X7X3_SPWG &&
-			desc->bpc != 6);
-		WARN_ON((desc->bus_format == MEDIA_BUS_FMT_RGB888_1X7X4_SPWG ||
-			 desc->bus_format == MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA) &&
-			desc->bpc != 8);
-		break;
-	case DRM_MODE_CONNECTOR_eDP:
-		dev_warn(dev, "eDP panels moved to panel-edp\n");
-		err = -EINVAL;
-		goto free_ddc;
-	case DRM_MODE_CONNECTOR_DSI:
-		if (desc->bpc != 6 && desc->bpc != 8)
-			dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
-		break;
-	case DRM_MODE_CONNECTOR_DPI:
-		bus_flags = DRM_BUS_FLAG_DE_LOW |
-			    DRM_BUS_FLAG_DE_HIGH |
-			    DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE |
-			    DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
-			    DRM_BUS_FLAG_DATA_MSB_TO_LSB |
-			    DRM_BUS_FLAG_DATA_LSB_TO_MSB |
-			    DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE |
-			    DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE;
-		if (desc->bus_flags & ~bus_flags)
-			dev_warn(dev, "Unexpected bus_flags(%d)\n", desc->bus_flags & ~bus_flags);
-		if (!(desc->bus_flags & bus_flags))
-			dev_warn(dev, "Specify missing bus_flags\n");
-		if (desc->bus_format == 0)
-			dev_warn(dev, "Specify missing bus_format\n");
-		if (desc->bpc != 6 && desc->bpc != 8)
-			dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
-		break;
-	default:
-		dev_warn(dev, "Specify a valid connector_type: %d\n", desc->connector_type);
-		connector_type = DRM_MODE_CONNECTOR_DPI;
-		break;
-	}
-
 	dev_set_drvdata(dev, panel);
 
 	/*