With the framebuffer patch below (generated using the wonderful fbpatcher), I get full support for my HD 630 + 4k dell over displayport. I used the 3e9b0007 platform id, patched to limit the FB ports to 1 (my mobo also has hdmi, but I don't use it) and the device id to 3e9b. Since the igpu in...
I've been looking for a way to avoid patching AppleIntelKBLGraphicsFramebuffer to reassign port numbers on my z270 IGPU-only build, and the SSDT below works for me. (After the boot progress bar, the screen is blank slightly longer than by patching the kext -- still looking into that. Maybe using...
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