rpi4: boot: Fix hdmi group to DMT

There is a problem using the hdmi small monitors causes monitor to
freeze. So defines the HDMI output group DMT, set defualt mode 720p.

Change-Id: I070549ed36423755b7e8742b923f2ac18b8ccc5b
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>

diff --git a/rpi4/boot/config.txt b/rpi4/boot/config.txt
index 69ba55b..1dd43e0 100644 (file)
--- a/rpi4/boot/config.txt
+++ b/rpi4/boot/config.txt
@@ -73,3 +73,7 @@ start_x=1
 
 # Turn off the red camera LED when recording video or taking a still picture
 disable_camera_led=1
 
 # Turn off the red camera LED when recording video or taking a still picture
 disable_camera_led=1

+
+# Defines the HDMI output group DMT, set defualt mode 720p
+hdmi_group=2
+hdmi_mode=85