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iMX6Q: HDMI not working

Question asked by Prasant J on Jul 2, 2013
Latest reply on Apr 7, 2014 by Daniel Schaeffer
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I'm working on a custom iMX6Q board (similar to imx6 sabre smart device). HDMI is not working when display connected using DVI-D connector. I'm using LTIB based linux image (linux 3.0.35)


- HDMI hot plug feature is working (verfied through /sys/class/devices/....)

- EDID information is read out correctly

- HDMI_CEC feature is disabled

- I have observed the HDMI_PHY_STAT0 register. The RX_SENSE bits remain low. Could not figure out what that indicates as iMX6 datasheet does not give much information.

- HDMI data & clock lines remain low when probed using oscilloscope.


Any inputs will be of help to me.