New DRM enabling method for systems with AMD GPU

[Douirc]

It should be noted that those who are using iMacPro1,1 system definition do not need the "shikigva=16" boot argument. Apple TV, Amazon on Safari, Netflix on Safari, etc should all work just as it always has.

Hi @pastrychef , I went with iMacPro1,1 on Big Sur 20B29 and Apple TV is working fine but Amazon Prime in Safari is not. Any suggestions?

 

[pastrychef]

Hi @pastrychef , I went with iMacPro1,1 on Big Sur 20B29 and Apple TV is working fine but Amazon Prime in Safari is not. Any suggestions?

I have no idea why it's not working for you. I just watched Gemini Man on Amazon Prime a few days ago on Safari from beginning to end.

 

[Douirc]

I have no idea why it's not working for you. I just watched Gemini Man on Amazon Prime a few days ago on Safari from beginning to end.

Gemini Man was good! I'm using DP 1.4 and get the following from Amazon. Firefox installed Widevine and it plays just fine. Guess I can use that as my alternative. Small price.

This video can't play on your device as it doesn't meet content protection standards. All of your displays and cables must be HDCP compliant. Try disconnecting video devices from your computer, including secondary monitors and TVs, refresh the page and try again. See our troubleshooting tips for more information. If this problem continues, please contact Amazon Customer Service at www.amazon.com/video/contactus and refer to error 7279.

 

[pastrychef]

Gemini Man was good! I'm using DP 1.4 and get the following from Amazon. Firefox installed Widevine and it plays just fine. Guess I can use that as my alternative. Small price.

This video can't play on your device as it doesn't meet content protection standards. All of your displays and cables must be HDCP compliant. Try disconnecting video devices from your computer, including secondary monitors and TVs, refresh the page and try again. See our troubleshooting tips for more information. If this problem continues, please contact Amazon Customer Service at www.amazon.com/video/contactus and refer to error 7279.

I think video quality is not as good if you are not using Safari. Is your IGPU disabled?

 

[Douirc]

I think video quality is not as good if you are not using Safari. Is your IGPU disabled?

I set Advanced \ System Agent (SA) Configuration \ Graphics Configuration → Primary Display: PCIE and iGPU Multi-Monitor: Disabled. I don't know how to disable iGPU on PRIME Z390-A.

 

[pastrychef]

I set Advanced \ System Agent (SA) Configuration \ Graphics Configuration → Primary Display: PCIE and iGPU Multi-Monitor: Disabled. I don't know how to disable iGPU on PRIME Z390-A.

Sounds like you have it disabled... I don't know why it's not working for you. All I did was choose iMacPro1,1.

 

[jaymonkey]

I set Advanced \ System Agent (SA) Configuration \ Graphics Configuration → Primary Display: PCIE and iGPU Multi-Monitor: Disabled. I don't know how to disable iGPU on PRIME Z390-A.

@Douic,

You need to enable Multi-Monitor mode, Its badly worded and has been in all BIOS's ....
It should really be called Multi GPU mode (dGPU + IGPU).

Cheers
Jay

 

[Douirc]

@Douic,

You need to enable Multi-Monitor mode, Its badly worded and has been in all BIOS's ....
It should really be called Multi GPU mode (dGPU + IGPU).

Cheers
Jay

hey jaymonkey, if I'm running iMacPro1,1 I should set it to Multi-Monitor? Thought the idea was to disable the iGPU. Won't Multi-Monitor enable iGPU?

 

[jaymonkey]

if I'm running iMacPro1,1 I should set it to Multi-Monitor? Thought the idea was to disable the iGPU. Won't Multi-Monitor enable iGPU?

@Douirc,

Sorry my mistake I did not realise you where running the MacPro1,1 SMBIOS ... in which case Multi-Monitor mode should be disabled to force all MacOS Video API's to use the dGPU.

Cheers
Jay

 

[HazemAM]

well, I turned off iGPU in the bios (memory set to AUTO that fully disables it), and used the .kext while still keeping with the same SMBIOS(iMAC 19,2) so not to mess up my Apple account and messages, hand-off, etc and DRM issues are also gone when using Safari.

I'm not too sure on the full implications yet with iGPU being disabled(apart from sidecar that just gives a black screen saying connecting on my iPad pro due to it needing a T2 chip or Intel iGPU), but with regards to hardware acceleration VideoProc is saying it's now using my AMD RX580 on both HEVC and H.264, but not too sure this is the case in Final Cut Pro looking at the dGPU usage. Some strange results with Final Cut Pro using different codecs(h.264,HEVC) that are supported on a RX580: very low CPU and low GPU, or high CPU, and low GPU. It looks like some codecs are being passed to hardware and others software, but does not appear optimised. Anyone got experience in this area?

Hi @phonic2k, I'm also using iMac19,2 but can't get VideoProc hardware acceleration/DRM on Safari working with this kext & iGPU disabled in BIOS.

What are your boot args? Do you use any shiki flag?
What are your config for iGPU? Is it still headless?