So I've been rather successful in getting this Hackintosh up and running, and I was ready to call it done. Then I tried HDMI instead of DisplayPort and oh boy was I wrong ...
To begin with HDMI didn't work at all. I then quickly found out I had to patch the framebuffer to a different busid for it to work. Done that and now HDMI does work however there are a couple of additional issues:
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Booting with HDMI and DP connected results in HDMI working and DP not, MacOS shows both screens connected however and the screen on the HDMI display starts corrupting about 10 seconds after login. Replugging either HDMI or DP fixes the issue and both displays work fine
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Booting with just HDMI works. After the first sleep/wake cycle HDMI works fine for about 10 seconds after which it constantly starts resetting the screen/corrupting it. Replugging the display does nothing at this point and the issue persists until reboot.
I'm at my wits end having tried multiple framebuffer bus-id, port combinations etc. I have no clue what else to try at this point or why this is happening in the first place. Any help would be greatly appreciated :)
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