diff --git a/drivers/video/rockchip/Kconfig b/drivers/video/rockchip/Kconfig
index 10182d0b66..cfd774ead6 100644
--- a/drivers/video/rockchip/Kconfig
+++ b/drivers/video/rockchip/Kconfig
@@ -22,6 +22,7 @@ menuconfig VIDEO_ROCKCHIP
 config VIDEO_ROCKCHIP_MAX_XRES
         int "Maximum horizontal resolution (for memory allocation purposes)"
 	depends on VIDEO_ROCKCHIP
+	default 3480 if ROCKCHIP_RK3399 && DISPLAY_ROCKCHIP_HDMI
 	default 1920
 	help
 	  The maximum horizontal resolution to support for the framebuffer.
@@ -31,6 +32,7 @@ config VIDEO_ROCKCHIP_MAX_XRES
 config VIDEO_ROCKCHIP_MAX_YRES
         int "Maximum vertical resolution (for memory allocation purposes)"
 	depends on VIDEO_ROCKCHIP
+	default 2160 if ROCKCHIP_RK3399 && DISPLAY_ROCKCHIP_HDMI
 	default 1080
 	help
 	  The maximum vertical resolution to support for the framebuffer.