Transclusion: CL-SOM-AM57x: Linux: Manual Installation: After Installation: Select video output

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Select video output

CL-SOM-AM57x evaluation platform (SBC-AM57x) has four video output interfaces: LCD, DVI, LVDS and HDMI. Current version of Xorg driver of CL-SOM-AM57x example root file system supports mirror video output mode only. It causes last registered video output device (LCD) resolution to be propagated to other devices.

In order to force a specific video output device to be selected as a primary device the U-Boot environment variables should be adjusted.

  • To enable HDMI video output:
U-Boot# setenv displaytype hdmi
  • To enable LCD video output:
U-Boot# setenv displaytype lcd
  • To enable LVDS video output:
U-Boot# setenv displaytype lvds
  • To enable DVI video output:
U-Boot# setenv displaytype dvi
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