When connected to HDMI HUB with enfourced 720p60, we can get video from ADV7611. There is 3.3V DC on differencial pairs.
But when we connected to PC, no video from ADV7611, no 3.3V DC on differencial pairs. The PC can detect the name and resolution of ADV7611 at 720p. But somehow it don't work. There is no video, no 3.3DC from the start of the biginning. We check the EDID waveform, it looks right.
Any idea about this? Thanks.