diff --git a/arch/arm64/boot/dts/qcom/sm8150-sony-xperia-kumano.dtsi b/arch/arm64/boot/dts/qcom/sm8150-sony-xperia-kumano.dtsi
index c958a8b16730..fd8c0097072a 100644
--- a/arch/arm64/boot/dts/qcom/sm8150-sony-xperia-kumano.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150-sony-xperia-kumano.dtsi
@@ -33,9 +33,10 @@ chosen {
 		framebuffer: framebuffer@9c000000 {
 			compatible = "simple-framebuffer";
 			reg = <0 0x9c000000 0 0x2300000>;
-			width = <1644>;
-			height = <3840>;
-			stride = <(1644 * 4)>;
+			/* Griffin BL initializes in 2.5k mode, not 4k */
+			width = <1096>;
+			height = <2560>;
+			stride = <(1096 * 4)>;
 			format = "a8r8g8b8";
 			/*
 			 * That's (going to be) a lot of clocks, but it's necessary due