The following figure shows the HDMI 2.1 TX Subsystem ports when native video is selected as the video interface. The NATIVE_VID_IN port is expanded in the figure to show the detailed native video bus signals.
Note: In the following diagrams, for all native interfaces
video_data_width = 3*BPC*PPC
. Figure 1. HDMI TX Subsystem Pinout – Native Video Interface