The subsystem has one reset input for each of the AXI4-Lite, AXI4-Stream and Video interfaces:
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s_axi_aresetn - Active-Low AXI4-Lite reset. This resets all the programming registers.
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rx_vid_rst - Active-High video pipe reset. For MST with four streams, there are four video resets.
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dp159_rst - Active-High soft reset to the DP159 retimer generated through AXI IIC GPIO port. This reset is asserted through AXI IIC register programming for GPIO ports. For more details, see the AXI IIC Bus Interface LogiCORE IP Product Guide (PG090).