diff --git a/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts b/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts
index fb77a0478a43..2a45f8543293 100644
--- a/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts
@@ -350,7 +350,7 @@
 			0 56 1
 			0 89 1>;
 		interrupt-names = "viu-vsync", "viu2-vsync", "rdma";
-		mem_size = <0x00800000 0x1980000 0x100000 0x100000 0x800000>;
+		mem_size = <0x00800000 0x4b80000 0x100000 0x100000 0x800000>;
 		/* uboot logo,fb0/fb1 memory size,if afbcd fb0=0x01851000*/
 		display_mode_default = "1080p60hz";
 		scale_mode = <1>;
@@ -359,6 +359,7 @@
 		/*1920*1080*4*3 = 0x17BB000*/
 		pxp_mode = <0>; /** 0:normal mode 1:pxp mode */
 		mem_alloc = <1>;
+		4k2k_fb = <1>;
 		logo_addr = "0x3f800000";
 		clocks = <&clkc CLKID_VPU_CLKC_MUX>;
 		clock-names = "vpu_clkc";