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Actually I believe your afi_clk will be 75MHz, as you are running the memory controller at half rate.
This may explain why you had success with the lower resolution video modes, but failed with 1080p.
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Cliff, thanks for your reply, but I don't believe the afi_clk is the problem, the 1080p uniform gray background from the Test Pattern Generator and used as layer 0 (din_0) with the Alpha Blending Mixer is perfectly shown on my monitor. Besides that, when I use 1280x960, 60fps as input (layer 1, din_1 with Alpha Blending Mixer) it works fine, so 1280x960, 36fps should work fine too in terms of interconnect transmission speed. If I am missing something, please let me know, but for now I don't understand why afi_clk should be a problem as you mentioned.
Kind regards
Honored Contributor
