AMD Radeon Performance Enhanced SSDT

[mattystonnie]

Woul you mind to help me with my RX580?

Mine is a RedDragon from Powercolor. Would this framebufer fit?

Am I supposed to find this with IOREG, corectly?
change "PciRoot(0x0)/Pci(0x1,0x0)/Pci(0x0,0x0)" with your GPU path.

Use hackintool, pci devices.

 

[fravin]

Use hackintool, pci devices.

Under IOReg Name?

Do I need to keep WEG after the patch?

 

[papadiche]

This method tries to mimic a real working mac.

Thank you thank you so much for this guide!!!

I just installed macOS Catalina 10.15.4 on a Intel i9-9900k with a Sapphire Pulse RX 5600 XT 6GB. Saw a 45% increase in video performance because of your patch! Went from around 20% below regular Windows performance to about 25% above! Huge gains!!!

Here's my Geekbench 5 proof:

You can really see the incredible gains! Thanks again!!
I will attach my Opencore v0.5.7 config file in case it helps anyone in the future.[/QUOTE]

 

[fravin]

This is quite amazing. I made the patch via Config.plis using Clover.

What the heck! Look at the results:

And After

But, My Hack is now acting like a Real Mac! It has set my Display for 30-Bit Color. Actually my display has 10-Bit and the colours are messy.

Is there a way to spoof it?

using iMac Pro 1,1

 

[juseon123]

Right, I forgot the SMBIOS as information... I use iMacPro1.1 on all my configurations.
With the RX 590 the consumptions in IDLE are identical, I have not tested the consumptions in rendering, because the SSDT created problems with sleep and I think it made the system unstable.
With the RX 5700 XT iStat does not show consumption so I have no references.

For the RX 590 actually I use this: SSDT-X299-RX590.aml

View attachment 466523

I don't see Orinoco FB from the above pic you posted. Can you inject Orinoco FB and check if there is any change in idle power consumption? Thanks

 

[mattystonnie]

This is quite amazing. I made the patch via Config.plis using Clover.

What the heck! Look at the results:

View attachment 466606

And After

View attachment 466609


But, My Hack is now acting like a Real Mac! It has set my Display for 30-Bit Color. Actually my display has 10-Bit and the colours are messy. View attachment 466610

Is there a way to spoof it?

using iMac Pro 1,1

Do you want 24 bits instead of 30?

 

[EarlOfClonmell]

Just tested with my RX5700XT.

Everything bar that random kext installed. Can't tell what the power usage is...

Geekbench 5 Metal Test results:

Before: 41097
SSDT: 72612
1800 Core: 66542
2000 Core: 70602

(Underclocking/volting using the PowerPlay Table generator for RX5700 XT!)

 

[fravin]

Do you want 24 bits instead of 30?

My monitor support 10 bits.

That 30bits of colour is what apple uses in the iMac Display, aka as P3.

 

[mattystonnie]

My monitor support 10 bits.

That 30bits of colour is what apple uses in the iMac Display, aka as P3.

You can select the P3 color profile from the display colour.

And for switching the 24/30 bits, there are some apps, switch res x I think.

 

[deeveedee]

A couple of weeks ago I got my hands on a new Navi GPU, The Sapphire RX 5500 XT 4 GB, everything was working but the performance was not there, everyone said it is on pair with the good old RX 580.
...

@mattystonnie I'd like to try your device properties in my Clover config.plist, but I'm still not sure where to add. Would you mind attaching your sanitized Clover config.plist to your first post as an additional reference? Thank you.