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Dual display LCD and HDMI

Question asked by vo son on Mar 27, 2017
Latest reply on Apr 13, 2017 by vo son

hi everyone


i'm using Linux Yocto 4.1.15 with imx6q sabresd sample board.

 start kit after that i want to show camera to dual display to LCD and HDMI same time. 

how to way setting, can you tell me?


  • device tree  mxcfb(0-4) -> 'disable' to 'okay'
  • u-boot :  setenv video 'video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 video=mxcfb0:dev=ldb,LCD-VGA,if=RGB666 ldb=spl0'
  • gstreamer 1.0 :  gst-launch-1.0  imxv4l2videosrc ! imxipuvideosink -> show camera


but it only show to HDMI.

best regard