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It's not the cause of the issue however, if it was, I wouldn't be getting video in Sierra either, and I'd also be getting video with my HDMI TV, but I don't get video with HDMI on Big Sur, and the VGA works in Sierra (as i am using an adapter)

I haven't, because that wouldn't work. My GPU takes Mini DisplayPort, not standard DisplayPort, and my monitor isn't actually DVI, it's VGA with an adapter (ik VGA isn't the cause of the issue, i tested with an old HDMI TV i had, same issue there.)

I forgot to mention in my original post, I did try all of the AMD bootargs, the only one that had any change was -radvesa, which stops the screen from going off, but does cause it to stay in verbose mode and not load the GUI (likely VESA is limiting it to the point where it can't load the GUI)

How would I put it under DeviceProperties though? How would I select the framebuffer in OpenCore (I also dont know which framebuffer I should select -- i have 5 physical connectors but 6 show up under the bios decoders), and would I still do the find/replace thing for patching the framebuffer or...

I've already seen this, that guide is for Clover, I'm using OpenCore, and it tells you to put things under the Graphics and KextstoPatch section, neither of which exist in OpenCore.

On my hack, I'm currently running Sierra, as in High Sierra and later, I just get no signal after verbose unless I use Mini DisplayPort, to use HDMI or DVI I have to run Sierra, which is an issue for me, as I no longer have access to a mini displayport monitor and my monitor hooks up via DVI...

I tried those two settings, no change.

When I wake my Dell Latitude E6530, the second the screen turns on, it locks up, and I have to force the computer off by holding down the power button. I'm running Big Sur 11.7.8. Is anyone aware of a fix?