diff --git a/arch/arm64/boot/dts/amlogic/meson64_odroidn2_spibios.dts b/arch/arm64/boot/dts/amlogic/meson64_odroidn2_spibios.dts
index 982d21127a77..c3ea7d5f76f2 100644
--- a/arch/arm64/boot/dts/amlogic/meson64_odroidn2_spibios.dts
+++ b/arch/arm64/boot/dts/amlogic/meson64_odroidn2_spibios.dts
@@ -343,10 +343,11 @@
 &meson_fb {
 	status = "okay";
 	display_size_default = <1920 1080 1920 2160 32>;
-	mem_size = <0x00800000 0x1980000 0x100000 0x100000 0x800000>;
+	mem_size = <0x00800000 0x4b80000 0x100000 0x100000 0x800000>;
 	logo_addr = "0x7f800000";
 	mem_alloc = <1>;
 	pxp_mode = <0>; /** 0:normal mode 1:pxp mode */
+	4k2k_fb = <1>;
 };
 
 &pwm_ab {