User Tools

Site Tools


mycnc:add_new_screen_resolution_for_single_board_computer_sbc_-_tinkerboard

How to add new screen resolution for Tinkerboard

Screen resolution for Tinkerboard can be changed in Settings»Display configuration dialog.

Default resolution list in the dialog does not include popular resolutions like

  1. 1280×800
  2. 1368×768
  3. 1600×900

Utility CVT can be used add new resolution modes to the list

1. Open console window (konsole icon)

2. Type command

cvt 1368 768  [Enter]

The utility will print modesettings parameters that should be included in modesettings configuration

operator@tinkerboard:~$ cvt 1368 768
# 1368x768 59.88 Hz (CVT) hsync: 47.79 kHz; pclk: 85.25 MHz
Modeline "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync
operator@tinkerboard:~$ 

3. Open for edit modesettings configuraion file “/etc/X11/xorg.conf.d/20-modesettings.conf” with administrator permissions (sudo)

sudo  mcedit /etc/X11/xorg.conf.d/20-modesettings.conf

4. Add modesettings for 1368×768 resolution into “Monitor” Section. There can be several Modeline lines for different screen resolution you like to add. Add “PreferredMode” Option for resolution you like to have by default. Press “F2” button to save the changes.

20-modesettings.conf
  Section "Monitor".
 
    Identifier "HDMI-1".
 
    Modeline "1280x800_60.00"   83.50  1280 1352 1480 1680  800 803 809 831 -hsync +vsync
    Modeline "1368x768_60.00"   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync
    Modeline "1600x900_60.00"  118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync
 
    Option "PreferredMode" "1368x768_60.00"
 
  EndSection

5. Reboot the computer and check if new resolutions appear in the Display settings

mycnc/add_new_screen_resolution_for_single_board_computer_sbc_-_tinkerboard.txt · Last modified: 2018/03/23 17:00 by skirillov

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki