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TDA4VH-Q1: Can not loading tidss

Part Number: TDA4VH-Q1
Other Parts Discussed in Thread: TDA4VH

Hi expert,

I am working on enabling TDA4VH (MIPI DSI 4 lanes)-> DS941 ->(FPDLINK)  DS948 ->(LVDS) 1920x720 panel

I want to use the modetest tool to test the display. 

I tried as follows:

1、enable the CONFIG_DRM and CONFIG_DRM_TIDSS but can not load the tidss, here is the result:

2、find the tidss driver but it only has uevent:

3、the status of the dss@4a00000 is okay:

4、add the "tidss" into modules and can not open:

Could you help me with this problem? Thank you!!!