diff --git a/arch/riscv/boot/dts/spacemit/k1-x.dtsi b/arch/riscv/boot/dts/spacemit/k1-x.dtsi
index 9e83aa7fb6622bc6cd97382ad13c8f60fd549627..8594d977172cb1d328a961dd3b8656ccfb60be87 100644
--- a/arch/riscv/boot/dts/spacemit/k1-x.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1-x.dtsi
@@ -2529,7 +2529,7 @@ imggpu: imggpu@cac00000 {
 			interrupt-names = "rgxirq";
 			interrupt-parent = <&intc>;
 			interrupts = <75>;
-			reg = <0x0 0xcac00000 0x0 0x100000>;
+			reg = <0x0 0xcac00000 0x0 0x80000>;
 			reg-names = "rgxregs";
 			clocks = <&ccu CLK_GPU>;
 			clock-names = "gpu_clk";