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AMD Radeon Performance Enhanced SSDT

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Back in the race!
Really sorry for being banned... (it was rude but rules are rules...)
My EFI will follow

no pb with the 2.3 since few days except one crazy fans session.

still near 80k and FCPX works great.

i know that Mattystonnie is not agree with me but I think that my Apple Logo should arrive on the same screen that the Gigabyte logo.

Yellocab (the banned)
 
I have very similar config but my scores are lower, can you share your efi?
I have to disclose that the scores are average, sometimes performance dropped and sometimes I got better results (maybe because I had firefox and backup apps running?). Also my 580 is MSI's Armor (which I'm returning as it's too hot and too loud DO NOT BUY IT).
My EFI is simple: iMac 14,2, Lilu + WEG and no graphics boot args.
 
Disassembled the .aml - I can see that it does not inject the properties for fan speed, so VGAtab for fan control is still a thing to use. AT least not part of the 5700 xt .aml
Will see if it helps on my problem.
 
Back in the race!
Really sorry for being banned... (it was rude but rules are rules...)
My EFI will follow

no pb with the 2.3 since few days except one crazy fans session.

still near 80k and FCPX works great.

i know that Mattystonnie is not agree with me but I think that my Apple Logo should arrive on the same screen that the Gigabyte logo.

Yellocab (the banned)
It does it for me. I am on the OC 0.5.7, same motherboard and Sapphire Vega64. Using 2 DP connectors closest to HDMI port.
 
Just to compare, my scores are as follows
Geekbench 4 OpenCL: 145691
Geekbench 5 OpenCL: 42356
Geekbench 5 Metal: 50478

Geekbench 4 OpenCL: 135366
Geekbench 5 OpenCL: 44832
Geekbench 5 Metal: 49989
 
Hi @yellocab Could you take a look at my config and suggest a procedure? I tried the one that is described here (with dummy kext + ssdt table) but no success. I tried the RB kext, that worked, but fans were spinning all the time at max. I think I might have implemented something in a wrong way. I would be very grateful if you could take a look, thanks!

PS: I have a Sapphire Vega 56.
 

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  • iMac18_3_EFI.zip
    9.6 MB · Views: 64
  • iMac18_3.ioreg
    8.3 MB · Views: 52
Geekbench 4 OpenCL: 135366
Geekbench 5 OpenCL: 44832
Geekbench 5 Metal: 49989
In MacOS:
Geekbench 4 OpenCL: 145681
Geekbench 4 Metal: 146932
Geekbench 5 OpenCL: 41360
Geekbench 5 Metal: 48521

In Windows:
Geekbench 4 OpenCL: 138155
Geekbench 4 OpenCL: 145185 (OverClocked: cClock 1500 MHz, mClock 2250 MHz)
Geekbench 5 OpenCL: 48332
Geekbench 5 OpenCL: 50729 (OverClocked: cClock 1500 MHz, mClock 2250 MHz)

I ran few trials on each and have posted the best results.
 
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