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TFP401A: about SCDT and PDO power-down quction

Part Number: TFP401A
Other Parts Discussed in Thread: TFP401

Hi,
We have a display that is displayed through the HDMI device, when the HDMI signal is not transmitted, there is something wrong the monitor which is flickering, look at left image.

When the HDMI and power are not removed, the different output devices are switched through the windows display function to simulate the state of the HDMI signal not being transmitted. The output display can be turned off by the SCDT and PDO link status seen in the data sheet, look at centre and right image.

Can I connect the HDMI, but the signal is not being transmitted will be displaying a white screen?

any recommend, thanks!