dunno about dsi but psp displays seem to be quite commonly available with parallel rgb, which i hadn't previously considered, but also works since i didn't plan to use the spare gpio for much of anything and it puts the pi zero back on the table
i've also been warming up to the 800x480 panels (you can integer scale from 400x240 or 256x160 for pixel art, and the font i'm making for this is vector anyway) and not only can these also be had with parallel rgb, i found a non-stretched 4.3" one! though unfortunately it doesn't have a resistive touchscreen option.
when searching for other sellers though i've had trouble separating the rgb displays from the ones that use 8080 parallel, which i'm not sure would perform adequately, and finding anywhere else that will just sell them to individuals without having to send an enquiry (though remarkably ifan display claim to sell one that's not only parallel rgb, but also transflective? in 2025??)
also tried searching for 4" 480x320 rgb displays just in case but could only find them in 8080 parallel :neobot_sad:
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ninee! (0x9e01@snug.moe)'s status on Sunday, 07-Dec-2025 05:03:25 JST
ninee!