drm: omapdrm: Drop support for non-DT devices

All OMAP platforms use DT nowadays, drop support for non-DT devices.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/venc.c

@@ -643,11 +643,7 @@ static int venc_init_regulator(void)
 	if (venc.vdda_dac_reg != NULL)
 		return 0;
 
-	if (venc.pdev->dev.of_node)
-		vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda");
-	else
-		vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac");
-
+	vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda");
 	if (IS_ERR(vdda_dac)) {
 		if (PTR_ERR(vdda_dac) != -EPROBE_DEFER)
 			DSSERR("can't get VDDA_DAC regulator\n");
@@ -888,12 +884,10 @@ static int venc_bind(struct device *dev, struct device *master, void *data)
 
 	venc_runtime_put();
 
-	if (pdev->dev.of_node) {
-		r = venc_probe_of(pdev);
-		if (r) {
-			DSSERR("Invalid DT data\n");
-			goto err_probe_of;
-		}
+	r = venc_probe_of(pdev);
+	if (r) {
+		DSSERR("Invalid DT data\n");
+		goto err_probe_of;
 	}
 
 	dss_debugfs_create_file("venc", venc_dump_regs);