diff --git a/drivers/video/rockchip/rk_hdmi.c b/drivers/video/rockchip/rk_hdmi.c
index 8dd2c87..7976c5e 100644
--- a/drivers/video/rockchip/rk_hdmi.c
+++ b/drivers/video/rockchip/rk_hdmi.c
@@ -666,7 +666,7 @@
 		if (hdmi_get_plug_in_status(regs))
 			return 0;
 		udelay(100);
-	} while (get_timer(start) < 30000);
+	} while (get_timer(start) < 300);
 
 	return -1;
 }