I’m having HDMI issues that I think are related to this problem. I admit my HDMI setup is a worst-case scenario, but, let’s be positive: worst-case scenarios are debugging goldmines.
Now, I have a very long HDMI chain:
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┌->HDBaseT TX->HDBaseT RX->TV
DE10-Nano->3 to 1 HDMI switch->4 to 2 HDMI matrix->|
└->HDBaseT TX->HDBaseT RX->DVDO iScan Mini->Projector
This may seem cumbersome, but, with the help of some macros on my One for All remotes, I get a working and friendly user experience in two different rooms. All my gaming (PC/Consoles) and video (AppleTV, Roku, ecc.) gear is connected to the 3to1 switch or to the 4to2 matrix. The only gripe is a long HDMI handshaking (various seconds) time, but I get this inconvenience only when I change video source or when some source changes resolution/framerate. Now, I never experienced incompatibilities with this setup, and even the DE10-Nano works correctly using Terasic’s Xfce and LXDE Linuxes (I get no video output with their linux console SD image, but I think it works only with USB console and SSH).
Yesterday I tried MiSTer for the first time and, no matter what, I don’t get any video output on my setup; I mean my displays shows "no video" warning. MiSTer works perfectly If I connect directly the DE10-Nano to the projector or to an HDMI capture card. I had not time to make a differential diagnosis in order to identify the device (or combination of devices) that is incompatible with MiSTer. I was only able to test the Terasic’s Linuxes (with success) and to see that MiSTer produces the same serial output when it successfully outputs video and when it doesn’t.
Now, is there anything I can do in order to help? I’m willing to do any debug/test.
Many thanks in advance.