diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 5001ccc8d8f0d4193ef33876714af5e844d1a84b..a1804b8da31d45bb8a59a97139456c6321e49685 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -858,6 +858,7 @@
 			xlnx,bpc = <8>;
 			xlnx,audio-chan = <2>;
 			xlnx,dp-sub = <&xlnx_dp_sub>;
+			xlnx,max-pclock-frequency = <300000>;
 		};
 
 		xlnx_dp_snd_card: dp_snd_card {
@@ -893,6 +894,8 @@
 			reg = <0x0 0xfd4aa000 0x1000>, <0x0 0xfd4ab000 0x1000>, <0x0 0xfd4ac000 0x1000>;
 			reg-names = "blend", "av_buf", "aud";
 			xlnx,output-fmt = "rgb";
+			xlnx,vid-fmt = "yuyv";
+			xlnx,gfx-fmt = "rgb565";
 		};
 
 		xlnx_dpdma: dma@fd4c0000 {