drm/omap: encoder-tfp410: remove pdata support

We no longer have any boards that require the platform data support from
the encoder, so we can remove the related code.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c

@@ -166,32 +166,6 @@ static const struct omapdss_dvi_ops tfp410_dvi_ops = {
 	.get_timings	= tfp410_get_timings,
 };
 
-static int tfp410_probe_pdata(struct platform_device *pdev)
-{
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
-	struct encoder_tfp410_platform_data *pdata;
-	struct omap_dss_device *dssdev, *in;
-
-	pdata = dev_get_platdata(&pdev->dev);
-
-	ddata->pd_gpio = pdata->power_down_gpio;
-
-	ddata->data_lines = pdata->data_lines;
-
-	in = omap_dss_find_output(pdata->source);
-	if (in == NULL) {
-		dev_err(&pdev->dev, "Failed to find video source\n");
-		return -ENODEV;
-	}
-
-	ddata->in = in;
-
-	dssdev = &ddata->dssdev;
-	dssdev->name = pdata->name;
-
-	return 0;
-}
-
 static int tfp410_probe_of(struct platform_device *pdev)
 {
 	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
@@ -231,17 +205,12 @@ static int tfp410_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, ddata);
 
-	if (dev_get_platdata(&pdev->dev)) {
-		r = tfp410_probe_pdata(pdev);
-		if (r)
-			return r;
-	} else if (pdev->dev.of_node) {
-		r = tfp410_probe_of(pdev);
-		if (r)
-			return r;
-	} else {
+	if (!pdev->dev.of_node)
 		return -ENODEV;
-	}
+
+	r = tfp410_probe_of(pdev);
+	if (r)
+		return r;
 
 	if (gpio_is_valid(ddata->pd_gpio)) {
 		r = devm_gpio_request_one(&pdev->dev, ddata->pd_gpio,