You can select the HDMI resolution by editing the boot.ini file. Just remove three “#” marks for your display.
The boot.ini file must be placed on the FAT partition on your boot media.
The default setting is 1920×1080(60hz).
ODROIDXU-UBOOT-CONFIG # --- Screen Configuration for HDMI --- # # --------------------------------------- # ODROID-VU forced resolution # --------------------------------------- # setenv fb_x_res "1280" # setenv fb_y_res "800" # setenv hdmi_phy_res "800p60hz" # --------------------------------------- # 1920x1080(60Hz) Monitor # --------------------------------------- setenv fb_x_res "1920" setenv fb_y_res "1080" setenv hdmi_phy_res "1080p60hz" # --------------------------------------- # 1920x1080(50Hz) Monitor # --------------------------------------- # setenv fb_x_res "1920" # setenv fb_y_res "1080" # setenv hdmi_phy_res "1080p50hz" # --------------------------------------- # 1280x720(60Hz) monitor # --------------------------------------- # setenv fb_x_res "1280" # setenv fb_y_res "720" # setenv hdmi_phy_res "720p60hz" # setenv hdmi_phy_res "720p50hz" # --------------------------------------- # 1280x720(50Hz) monitor # --------------------------------------- # setenv fb_x_res "1280" # setenv fb_y_res "720" # setenv hdmi_phy_res "720p50hz" # --------------------------------------- setenv vout "hdmi" setenv edid "0" setenv led_blink "1" setenv bootcmd "movi read kernel 0 40008000;bootz 40008000" setenv bootargs "fb_x_res=${fb_x_res} fb_y_res=${fb_y_res} vout=${vout} hdmi_phy_res=${hdmi_phy_res} edid=${edid} left=${left} right=${right} upper=${upper} lower=${lower} vsync=${vsync} hsync=${hsync} led_blink=${led_blink}" boot
For Linux boot.ini, please refer to Github Project Page.
Note: More distribution support will come with time.
HDMI support should work out-of-box for everyone including framebuffer console if you experience any issue please contact us on the ODROID Forums
On the provided Ubuntu image there are several examples on how to configure the HDMI to your specific resolution or even lock to a certain resolution. You can check the configuration file on /media/boot/boot.ini of the Ubuntu Image
For displayport configuration please follow this guide Displayport Guide on ODROID Forums
Note for your own convenience we provide daily builds of Linux kernel that can be easily installed on Supported distros by using a ODROID Utility.
sudo -s wget -O /usr/local/bin/odroid-utility.sh https://raw.githubusercontent.com/mdrjr/odroid-utility/master/odroid-utility.sh chmod +x /usr/local/bin/odroid-utility.sh odroid-utility.sh