diff --git a/u-boot/board/rockchip/nanopi6/board.c b/u-boot/board/rockchip/nanopi6/board.c
index 468d80a301e..cc4a0dd15d4 100644
--- a/u-boot/board/rockchip/nanopi6/board.c
+++ b/u-boot/board/rockchip/nanopi6/board.c
@@ -15,6 +15,11 @@
 #include <usb.h>
 #include <dwc3-uboot.h>
 
+#include <dm/device.h>
+#include <dm/ofnode.h>
+#include <dm/read.h>
+#include <fdt_support.h>
+
 #include "hwrev.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -193,3 +198,55 @@ int rk_board_late_init(void)
 	return 0;
 }
 #endif
+
+int rk_board_panel_detect(struct udevice *dev)
+{
+	struct udevice *i2c_bus, *nvm_dev;
+	struct ofnode_phandle_args args;
+	const struct device_node *np;
+	const char *panel_name;
+	u8 chip, addr, nlen;
+	u8 buf[128] = { 0 };
+	u32 status = 1;
+	int ret;
+
+	panel_name = dev_read_string(dev, "panel-name");
+	if (!panel_name)
+		return 0;
+
+	ret = dev_read_phandle_with_args(dev, "nvmems", NULL, 3, 0, &args);
+	if (ret)
+		return 0;
+
+	chip = args.args[0];
+	addr = args.args[1];
+	nlen = args.args[2];
+	if (!chip || !addr)
+		return 0;
+
+	if (uclass_get_device_by_ofnode(UCLASS_I2C, args.node, &i2c_bus))
+		return 0;
+
+	if (i2c_get_chip(i2c_bus, chip, 1, &nvm_dev))
+		return 0;
+
+	if (nlen >= sizeof(buf))
+		nlen = sizeof(buf) - 1;
+
+	ret = dm_i2c_read(nvm_dev, addr, buf, nlen);
+	if (!ret) {
+		debug("panel: nvmem name %s\n", buf);
+		nlen = strchrnul(panel_name, ',') - panel_name;
+		if (!strncmp((char *)buf, panel_name, nlen))
+			return 1;
+	}
+
+	np = ofnode_to_np(dev->node);
+	if (!ofnode_read_u32(dev->node, "nvmem-status", &status)) {
+		do_fixup_by_path_u32((void *)gd->fdt_blob, np->full_name,
+				     "nvmem-status", 0, 1);
+	}
+
+	/* read fail or name mismatch */
+	return -ENODEV;
+}
diff --git a/u-boot/drivers/core/of_access.c b/u-boot/drivers/core/of_access.c
index 4fc72c7a920..da78bde28ab 100644
--- a/u-boot/drivers/core/of_access.c
+++ b/u-boot/drivers/core/of_access.c
@@ -744,13 +744,14 @@ struct device_node *of_parse_phandle(const struct device_node *np,
 
 int of_parse_phandle_with_args(const struct device_node *np,
 			       const char *list_name, const char *cells_name,
-			       int index, struct of_phandle_args *out_args)
+			       int cell_count, int index,
+			       struct of_phandle_args *out_args)
 {
 	if (index < 0)
 		return -EINVAL;
 
-	return __of_parse_phandle_with_args(np, list_name, cells_name, 0,
-					    index, out_args);
+	return __of_parse_phandle_with_args(np, list_name, cells_name,
+					    cell_count, index, out_args);
 }
 
 int of_count_phandle_with_args(const struct device_node *np,
diff --git a/u-boot/drivers/core/ofnode.c b/u-boot/drivers/core/ofnode.c
index 1e1e7fce8ae..2fbf51fadd7 100644
--- a/u-boot/drivers/core/ofnode.c
+++ b/u-boot/drivers/core/ofnode.c
@@ -356,7 +356,9 @@ int ofnode_parse_phandle_with_args(ofnode node, const char *list_name,
 		int ret;
 
 		ret = of_parse_phandle_with_args(ofnode_to_np(node),
-				list_name, cells_name, index, &args);
+						 list_name, cells_name,
+						 cell_count, index,
+						 &args);
 		if (ret)
 			return ret;
 		ofnode_from_of_phandle_args(&args, out_args);
diff --git a/u-boot/drivers/video/drm/rockchip_connector.c b/u-boot/drivers/video/drm/rockchip_connector.c
index 2eb8319b5c5..2e2e068e07b 100644
--- a/u-boot/drivers/video/drm/rockchip_connector.c
+++ b/u-boot/drivers/video/drm/rockchip_connector.c
@@ -118,12 +118,24 @@ int rockchip_connector_init(struct display_state *state)
 	return ret;
 }
 
+__weak int rk_board_panel_detect(struct udevice *dev)
+{
+    return 0;
+}
 
 static bool rockchip_connector_path_detect(struct rockchip_connector *conn,
 					   struct display_state *state)
 {
 	int ret;
 
+	if (conn->panel) {
+		ret = rk_board_panel_detect(conn->panel->dev);
+		if (ret == -ENODEV) {
+			printf("%s disconnected\n", conn->dev->name);
+			return false;
+		}
+	}
+
 	if (conn->funcs->detect) {
 		ret = conn->funcs->detect(conn, state);
 		if (!ret) {
diff --git a/u-boot/drivers/video/drm/rockchip_display.c b/u-boot/drivers/video/drm/rockchip_display.c
index 6d291a08fb8..e38ec19c620 100644
--- a/u-boot/drivers/video/drm/rockchip_display.c
+++ b/u-boot/drivers/video/drm/rockchip_display.c
@@ -1002,6 +1002,9 @@ static int display_logo(struct display_state *state)
 		if (crtc_state->src_rect.h >= vdisplay) {
 			crtc_state->crtc_rect.y = 0;
 			crtc_state->crtc_rect.h = vdisplay;
+		} else if (crtc_state->src_rect.w > hdisplay) {
+			crtc_state->crtc_rect.h = (crtc_state->src_rect.h * hdisplay) / crtc_state->src_rect.w;
+			crtc_state->crtc_rect.y = (vdisplay - crtc_state->crtc_rect.h) / 2;
 		} else {
 			crtc_state->crtc_rect.y = (vdisplay - crtc_state->src_rect.h) / 2;
 			crtc_state->crtc_rect.h = crtc_state->src_rect.h;
diff --git a/u-boot/include/dm/of_access.h b/u-boot/include/dm/of_access.h
index c7717dc9a9d..8da38a0f808 100644
--- a/u-boot/include/dm/of_access.h
+++ b/u-boot/include/dm/of_access.h
@@ -389,6 +389,7 @@ struct device_node *of_parse_phandle(const struct device_node *np,
  * @np:		pointer to a device tree node containing a list
  * @list_name:	property name that contains a list
  * @cells_name:	property name that specifies phandles' arguments count
+ * @cells_count: Cell count to use if @cells_name is NULL
  * @index:	index of a phandle to parse out
  * @out_args:	optional pointer to output arguments structure (will be filled)
  * @return 0 on success (with @out_args filled out if not NULL), -ENOENT if
@@ -422,7 +423,8 @@ struct device_node *of_parse_phandle(const struct device_node *np,
  */
 int of_parse_phandle_with_args(const struct device_node *np,
 			       const char *list_name, const char *cells_name,
-			       int index, struct of_phandle_args *out_args);
+			       int cells_count, int index,
+			       struct of_phandle_args *out_args);
 
 /**
  * of_count_phandle_with_args() - Count the number of phandle in a list