diff --git a/README.md b/README.md
index b865d7bea8095..18d7e1c1695cd 100644
--- a/README.md
+++ b/README.md
@@ -1,56 +1,2 @@
-
-Kernel 4.16 with patchwork from mediatek for BPI-R2
-
-## Requirements
-
-Need cross compile tools for the armhf architecture and additional bison and flex-package:
-```sh
-sudo apt-get install gcc-arm-linux-gnueabihf libc6-armhf-cross u-boot-tools bc make gcc libc6-dev libncurses5-dev libssl-dev bison flex
-```
-
-## Usage
-
-  ./build.sh importconfig
-  ./build.sh config
-  ./build.sh
-
-## Branch details
-
-Kernel upstream branch are:
- * 4.16, 4.14, 4.9
-
-Kernel upstream + BPI-R2
-* 4.16_main, 4.14_main, 4.9_main
-
-## Kernel version
-
-Kernel breakdown features by version
-
-|          | 4.4 | 4.9 | 4.14 | 4.16|
-|----------| --- | --- | --- | ---|
-| PCIe     | Y   | Y | Y | Y | Y |
-| SATA     | Y   | Y | Y | Y | Y |
-| 2 GMAC   | Y   | Y | N | N | N |
-| DSA      | N   | Y | Y | Y | Y |
-| VLAN     |     |   |   |   |   |
-| HW NAT   |     | Y | Y |   |   |
-| HW QOS   |     | Y | Y |   |   |
-| Crypto   | Y   | Y | Y | Y | Y |
-| WIFI     |     |   |   |   |   |
-| BT       |     |   |   |   |   |
-| VIDEO    | Y   | N | N | N | N |
-| AUDIO    | Y   | N | N | N | N |
-
-## Links
-
-* BPI-R2: http://www.banana-pi.org/r2.html
-* Kernel: https://www.kernel.org/
-* linux-mediatek: https://patchwork.kernel.org/project/linux-mediatek/list/
-* kernelci: https://kernelci.org/boot/mt7623n-bananapi-bpi-r2/
-
-License
-----
-
-GPL-2.0
-
-**Free Software, Hell Yeah!**
+Kernel 4.16 from mediatek for BPI-R2
+Please refer to [README.md](https://github.com/frank-w/BPI-R2-4.14/blob/4.14-main/README.md)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index c58b39f55374b..2e3c98022e231 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -728,7 +728,7 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct mtk_dpi *dpi;
 	struct resource *mem;
-	struct device_node *ep, *bridge_node;
+	struct device_node *ep, *bridge_node = NULL;
 	int comp_id;
 	const struct of_device_id *match;
 	int ret;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fbdev.c b/drivers/gpu/drm/mediatek/mtk_drm_fbdev.c
index 2bff6bc1c7b71..da038fccfb0b9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_fbdev.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_fbdev.c
@@ -78,17 +78,17 @@ static int mtk_fbdev_probe(struct drm_fb_helper *helper,
 
 	info = drm_fb_helper_alloc_fbi(helper);
 	if (IS_ERR(info)) {
+		err = PTR_ERR(info);
 		DRM_DEV_ERROR(dev->dev, "failed to allocate framebuffer info, %d\n",
 			err);
-		err = PTR_ERR(info);
 		goto out;
 	}
 
 	fb = mtk_drm_framebuffer_create(dev, &mode, private->fbdev_bo);
 	if (IS_ERR(fb)) {
+		err = PTR_ERR(fb);
 		DRM_DEV_ERROR(dev->dev, "failed to allocate DRM framebuffer, %d\n",
 			err);
-		err = PTR_ERR(fb);
 		goto out;
 	}
 	helper->fb = fb;