diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 87f9ee9eda413259345e79a7444a648b46581f54..acbb4f0579abf75190999e6e5b1248de29ae48b5 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -514,6 +514,7 @@ static struct resource mipidsi0_resources[] = {
 static struct sh_mipi_dsi_info mipidsi0_info = {
 	.data_format	= MIPI_RGB888,
 	.lcd_chan	= &lcdc_info.ch[0],
+	.vsynw_offset	= 17,
 };
 
 static struct platform_device mipidsi0_device = {