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Can not change Display Tied setting

Hello,
I'd like to change display tied setting for different chain use-case. However, if I changed tied setting from HDMI/HDCOMP to HDCOMP/DVO2, display link failed to create. 

The flow:

Vdis_tiedVencInit( VDIS_DEV_HDMI, VDIS_DEV_HDCOMP, &prm );

// create chain
// delete chain

Vdis_tiedVencInit( VDIS_DEV_HDCOMP, VDIS_DEV_DVO2, &prm );

// create chain -> failed to create display link

If this problem can't be solved, we have to ask user to reboot and get new display setting...

How can I fix it? Is there any way to disable tied setting?


Thank you.