1 files changed, 15 insertions, 26 deletions

diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index 164a34d793d8..4e7c3d78b2b9 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -168,6 +168,11 @@ struct sti_hdmi_connector {
 #define to_sti_hdmi_connector(x) \
 	container_of(x, struct sti_hdmi_connector, drm_connector)
 
+static struct sti_hdmi *drm_bridge_to_sti_hdmi(struct drm_bridge *bridge)
+{
+	return container_of(bridge, struct sti_hdmi, bridge);
+}
+
 static const struct drm_prop_enum_list colorspace_mode_names[] = {
 	{ HDMI_COLORSPACE_RGB, "rgb" },
 	{ HDMI_COLORSPACE_YUV422, "yuv422" },
@@ -749,7 +754,7 @@ static void hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
 
 static void sti_hdmi_disable(struct drm_bridge *bridge)
 {
-	struct sti_hdmi *hdmi = bridge->driver_private;
+	struct sti_hdmi *hdmi = drm_bridge_to_sti_hdmi(bridge);
 
 	u32 val = hdmi_read(hdmi, HDMI_CFG);
 
@@ -881,7 +886,7 @@ static int hdmi_audio_configure(struct sti_hdmi *hdmi)
 
 static void sti_hdmi_pre_enable(struct drm_bridge *bridge)
 {
-	struct sti_hdmi *hdmi = bridge->driver_private;
+	struct sti_hdmi *hdmi = drm_bridge_to_sti_hdmi(bridge);
 
 	DRM_DEBUG_DRIVER("\n");
 
@@ -936,7 +941,7 @@ static void sti_hdmi_set_mode(struct drm_bridge *bridge,
 			      const struct drm_display_mode *mode,
 			      const struct drm_display_mode *adjusted_mode)
 {
-	struct sti_hdmi *hdmi = bridge->driver_private;
+	struct sti_hdmi *hdmi = drm_bridge_to_sti_hdmi(bridge);
 	int ret;
 
 	DRM_DEBUG_DRIVER("\n");
@@ -1273,7 +1278,6 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
 	struct sti_hdmi_connector *connector;
 	struct cec_connector_info conn_info;
 	struct drm_connector *drm_connector;
-	struct drm_bridge *bridge;
 	int err;
 
 	/* Set the drm device handle */
@@ -1289,13 +1293,7 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
 
 	connector->hdmi = hdmi;
 
-	bridge = devm_kzalloc(dev, sizeof(*bridge), GFP_KERNEL);
-	if (!bridge)
-		return -EINVAL;
-
-	bridge->driver_private = hdmi;
-	bridge->funcs = &sti_hdmi_bridge_funcs;
-	drm_bridge_attach(encoder, bridge, NULL, 0);
+	drm_bridge_attach(encoder, &hdmi->bridge, NULL, 0);
 
 	connector->encoder = encoder;
 
@@ -1380,15 +1378,14 @@ static int sti_hdmi_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct sti_hdmi *hdmi;
 	struct device_node *np = dev->of_node;
-	struct resource *res;
 	struct device_node *ddc;
 	int ret;
 
 	DRM_INFO("%s\n", __func__);
 
-	hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
-	if (!hdmi)
-		return -ENOMEM;
+	hdmi = devm_drm_bridge_alloc(dev, struct sti_hdmi, bridge, &sti_hdmi_bridge_funcs);
+	if (IS_ERR(hdmi))
+		return PTR_ERR(hdmi);
 
 	ddc = of_parse_phandle(pdev->dev.of_node, "ddc", 0);
 	if (ddc) {
@@ -1399,17 +1396,9 @@ static int sti_hdmi_probe(struct platform_device *pdev)
 	}
 
 	hdmi->dev = pdev->dev;
-
-	/* Get resources */
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi-reg");
-	if (!res) {
-		DRM_ERROR("Invalid hdmi resource\n");
-		ret = -ENOMEM;
-		goto release_adapter;
-	}
-	hdmi->regs = devm_ioremap(dev, res->start, resource_size(res));
-	if (!hdmi->regs) {
-		ret = -ENOMEM;
+	hdmi->regs = devm_platform_ioremap_resource_byname(pdev, "hdmi-reg");
+	if (IS_ERR(hdmi->regs)) {
+		ret = PTR_ERR(hdmi->regs);
 		goto release_adapter;
 	}