Mac Pro 5,1 Bluetooth only works with legacy GPU.

Mac Pro 5,1 Bluetooth only works with legacy GPU.

I have a Mac Pro 5,1 that I have used OCLP to put macOS Monterey on.I have an (unflashed) RX580 plugged into the Mac, which works great. Have done th patches and am using the latest OCLP, and everything works except bluetooth. The BT in system settings won't let me turn it on. This is what is shown in system report:

https://preview.redd.it/3w0h4ak2mckf1.png?width=572&format=png&auto=webp&s=b1f7f30f4bc170a779af2bb0659e7067f16a7d50

What's very strange, is that if I plug in my original GPU (Radeon 5770) and reboot into Monterey, the bluetooth works immediately, without me having to repatch or anything. System report shows this:

https://preview.redd.it/15aks08bmckf1.png?width=562&format=png&auto=webp&s=b6f5a3684cf4a33448104f6a3097ebc6e5ffc3fb

What's going on here? I had similar issues when trying to get Monterey to update from 12.7.4 to 12.7.6; the update wouldn't appear in system settings until I put the original GPU into the Mac.

If it helps, when I change the GPUs around, each time the CD drive opens on boot up. This doesn't happen if I'm booting from the same GPU as I had installed last boot.

Any help?why would the RX580 be preventing the Bluetooth Spoof from working?

submitted by /u/TKOS7
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