1 files changed, 14 insertions, 15 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 40752f232054..d7726091819c 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -807,12 +807,13 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi)
 }
 
 static int mtk_dsi_bridge_attach(struct drm_bridge *bridge,
+				 struct drm_encoder *encoder,
 				 enum drm_bridge_attach_flags flags)
 {
 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);
 
 	/* Attach the panel or bridge to the dsi bridge */
-	return drm_bridge_attach(bridge->encoder, dsi->next_bridge,
+	return drm_bridge_attach(encoder, dsi->next_bridge,
 				 &dsi->bridge, flags);
 }
 
@@ -826,7 +827,7 @@ static void mtk_dsi_bridge_mode_set(struct drm_bridge *bridge,
 }
 
 static void mtk_dsi_bridge_atomic_disable(struct drm_bridge *bridge,
-					  struct drm_bridge_state *old_bridge_state)
+					  struct drm_atomic_state *state)
 {
 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);
 
@@ -834,7 +835,7 @@ static void mtk_dsi_bridge_atomic_disable(struct drm_bridge *bridge,
 }
 
 static void mtk_dsi_bridge_atomic_enable(struct drm_bridge *bridge,
-					 struct drm_bridge_state *old_bridge_state)
+					 struct drm_atomic_state *state)
 {
 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);
 
@@ -845,7 +846,7 @@ static void mtk_dsi_bridge_atomic_enable(struct drm_bridge *bridge,
 }
 
 static void mtk_dsi_bridge_atomic_pre_enable(struct drm_bridge *bridge,
-					     struct drm_bridge_state *old_bridge_state)
+					     struct drm_atomic_state *state)
 {
 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);
 	int ret;
@@ -856,7 +857,7 @@ static void mtk_dsi_bridge_atomic_pre_enable(struct drm_bridge *bridge,
 }
 
 static void mtk_dsi_bridge_atomic_post_disable(struct drm_bridge *bridge,
-					       struct drm_bridge_state *old_bridge_state)
+					       struct drm_atomic_state *state)
 {
 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);
 
@@ -1116,12 +1117,12 @@ static ssize_t mtk_dsi_host_transfer(struct mipi_dsi_host *host,
 				     const struct mipi_dsi_msg *msg)
 {
 	struct mtk_dsi *dsi = host_to_dsi(host);
-	u32 recv_cnt, i;
+	ssize_t recv_cnt;
 	u8 read_data[16];
 	void *src_addr;
 	u8 irq_flag = CMD_DONE_INT_FLAG;
 	u32 dsi_mode;
-	int ret;
+	int ret, i;
 
 	dsi_mode = readl(dsi->regs + DSI_MODE_CTRL);
 	if (dsi_mode & MODE) {
@@ -1170,7 +1171,7 @@ static ssize_t mtk_dsi_host_transfer(struct mipi_dsi_host *host,
 	if (recv_cnt)
 		memcpy(msg->rx_buf, src_addr, recv_cnt);
 
-	DRM_INFO("dsi get %d byte data from the panel address(0x%x)\n",
+	DRM_INFO("dsi get %zd byte data from the panel address(0x%x)\n",
 		 recv_cnt, *((u8 *)(msg->tx_buf)));
 
 restore_dsi_mode:
@@ -1192,13 +1193,13 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 {
 	struct mtk_dsi *dsi;
 	struct device *dev = &pdev->dev;
-	struct resource *regs;
 	int irq_num;
 	int ret;
 
-	dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
-	if (!dsi)
-		return -ENOMEM;
+	dsi = devm_drm_bridge_alloc(dev, struct mtk_dsi, bridge,
+				    &mtk_dsi_bridge_funcs);
+	if (IS_ERR(dsi))
+		return PTR_ERR(dsi);
 
 	dsi->driver_data = of_device_get_match_data(dev);
 
@@ -1217,8 +1218,7 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 	if (IS_ERR(dsi->hs_clk))
 		return dev_err_probe(dev, PTR_ERR(dsi->hs_clk), "Failed to get hs clock\n");
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dsi->regs = devm_ioremap_resource(dev, regs);
+	dsi->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(dsi->regs))
 		return dev_err_probe(dev, PTR_ERR(dsi->regs), "Failed to ioremap memory\n");
 
@@ -1247,7 +1247,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, dsi);
 
-	dsi->bridge.funcs = &mtk_dsi_bridge_funcs;
 	dsi->bridge.of_node = dev->of_node;
 	dsi->bridge.type = DRM_MODE_CONNECTOR_DSI;