diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 58bd9c27369d..20c8bc8291b4 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -450,16 +450,17 @@ static void omap_dss_dev_release(struct device *dev)
 	reset_device(dev, 0);
 }
 
-int omap_dss_register_device(struct omap_dss_device *dssdev,
-		struct device *parent, int disp_num)
-{
-	WARN_ON(!dssdev->driver_name);
+static int disp_num_counter;
 
+int omap_dss_register_device(struct omap_dss_device *dssdev,
+		struct device *parent)
+{
 	reset_device(&dssdev->dev, 1);
+
 	dssdev->dev.bus = &dss_bus_type;
 	dssdev->dev.parent = parent;
 	dssdev->dev.release = omap_dss_dev_release;
-	dev_set_name(&dssdev->dev, "display%d", disp_num);
+	dev_set_name(&dssdev->dev, "display%d", disp_num_counter++);
 	return device_register(&dssdev->dev);
 }
 
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 5ccce9b69e42..703fc1d8ec80 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -388,7 +388,7 @@ static void __init dpi_probe_pdata(struct platform_device *pdev)
 			continue;
 		}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
+		r = omap_dss_register_device(dssdev, &pdev->dev);
 		if (r)
 			DSSERR("device %s register failed: %d\n",
 					dssdev->name, r);
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 8d815e39e45d..f7078fc90459 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -5027,7 +5027,7 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev)
 			continue;
 		}
 
-		r = omap_dss_register_device(dssdev, &dsidev->dev, i);
+		r = omap_dss_register_device(dssdev, &dsidev->dev);
 		if (r)
 			DSSERR("device %s register failed: %d\n",
 					dssdev->name, r);
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 5e9fd7691728..7bac8ee078ad 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -185,7 +185,7 @@ int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
 int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
 
 int omap_dss_register_device(struct omap_dss_device *dssdev,
-		struct device *parent, int disp_num);
+		struct device *parent);
 void omap_dss_unregister_device(struct omap_dss_device *dssdev);
 void omap_dss_unregister_child_devices(struct device *parent);
 
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 83f18458a406..bb07143a2d79 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -923,7 +923,7 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 			continue;
 		}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
+		r = omap_dss_register_device(dssdev, &pdev->dev);
 		if (r)
 			DSSERR("device %s register failed: %d\n",
 					dssdev->name, r);
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index 2e520d3085c8..845b4e70a28e 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -959,7 +959,7 @@ static void __init rfbi_probe_pdata(struct platform_device *pdev)
 			continue;
 		}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
+		r = omap_dss_register_device(dssdev, &pdev->dev);
 		if (r)
 			DSSERR("device %s register failed: %d\n",
 				dssdev->name, r);
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 66c8de4365d6..c9a9045e19f2 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -212,7 +212,7 @@ static void __init sdi_probe_pdata(struct platform_device *pdev)
 			continue;
 		}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
+		r = omap_dss_register_device(dssdev, &pdev->dev);
 		if (r)
 			DSSERR("device %s register failed: %d\n",
 					dssdev->name, r);
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 17b31029a793..60bfc5801636 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -752,7 +752,7 @@ static void __init venc_probe_pdata(struct platform_device *pdev)
 			continue;
 		}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
+		r = omap_dss_register_device(dssdev, &pdev->dev);
 		if (r)
 			DSSERR("device %s register failed: %d\n",
 					dssdev->name, r);