The HDMI2CSI board for capturing 4K HDMI was ported to the latest release of L4T (28.2.1) including the bug fix in the Nvidia VI (see forum: , ). Major differences where adapted from L4T 28.1 to L4T 28.2.1 and our developed hardware is again able to capture 2160p30. Run the tc358840 outside its specification (>1Gbps) you could also capture 2160p60.
Grab the newest version on Github.
If you are running into problems capturing after a format change restart your application. Currently the Nvidia VI does not recover from an error, namely
PXL_SOF syncpt timeout.
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