diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index 63842f657836..e3bf97a4a3c5 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -2436,7 +2436,6 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub)
 	struct platform_device *pdev = to_platform_device(dpsub->dev);
 	struct drm_bridge *bridge;
 	struct zynqmp_dp *dp;
-	struct resource *res;
 	int ret;
 
 	dp = kzalloc(sizeof(*dp), GFP_KERNEL);
@@ -2453,8 +2452,7 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub)
 	INIT_WORK(&dp->hpd_irq_work, zynqmp_dp_hpd_irq_work_func);
 
 	/* Acquire all resources (IOMEM, IRQ and PHYs). */
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dp");
-	dp->iomem = devm_ioremap_resource(dp->dev, res);
+	dp->iomem = devm_platform_ioremap_resource_byname(pdev, "dp");
 	if (IS_ERR(dp->iomem)) {
 		ret = PTR_ERR(dp->iomem);
 		goto err_free;