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Dual display LCD and HDMI

Question asked by vo son on Mar 27, 2017
Latest reply on Apr 10, 2019 by 袁 野

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