What kexts should be mounted for 4K HD630 CML?

[gatorback]

1. An Optiplex 3090 has an i3-10105T CPU and an HD630 iGPU: CML (Comet Lake)
2. The Goal is to ensure that the right driver (kext) is engaged.
3. EFI provides 2560 x 1440 (2K) resolution through DisplayPort to a 4K monitor.
4. Aaron9466 EFI was tailored per Edhawk:
   
   https://www.tonymacx86.com/threads/...-boot-on-a-optiplex-mff-3090-i3-10105.321903/
   
   
5. pipe kext list into kexstat.txt:
   
   user@iMac MacIntosh % kextstat > kexstat.txt
   
   
6. search for 'graphics":
   
   user@iMac MacIntosh % grep -i graphics kexstat.txt
   
   Index Refs Address Size Wired Name (Version) UUID <Linked Against>
   108 13 0xffffff7f9933f000 0x2f000 0x2f000 com.apple.iokit.IOGraphicsFamily (597) 6971EFFA-C06F-3FC9-AE76-7F2639DEA8B1 <16 9 7 6 3 1>
   109 5 0xffffff7f97b28000 0x4000 0x4000 com.apple.AppleGraphicsDeviceControl (6.5.7) 4279B918-C8C5-3514-924E-3A5AC5C7E44A <108 16 9 8 7 6 3 1>
   119 0 0xffffff7f9800b000 0xc6000 0xc6000 com.apple.driver.AppleIntelCFLGraphicsFramebuffer (18.0.8) 6FBADF64-84F9-3C03-858D-68EFB531503C <118 109 108 45 16 15 9 8 7 6 3 1>
   132 0 0xffffff7f98859000 0xbf000 0xbf000 com.apple.driver.AppleIntelKBLGraphics (18.0.8) C8A9C530-840E-3364-B10C-BF318790246D <118 108 93 16 9 8 7 6 3 1>
   157 1 0xffffff7f97b10000 0x1000 0x1000 com.apple.driver.AppleGraphicsControl (6.5.7) 1C272402-B76D-30FF-A172-BA2B096F0A87 <9 7 6 3 1>
   158 0 0xffffff7f97b31000 0xa000 0xa000 com.apple.driver.AppleGraphicsDevicePolicy (6.5.7) 156F3633-C432-33D8-AB23-F5DF5BFBE8B7 <157 109 108 16 15 9 8 7 6 3 1>
   
   
   
7. Attempt to find CML (Comet Lake) kexts returned nothing.
   user@iMac MacIntosh % grep -i CML kexstat.txt
   
   
8. Why is there a CFL (Coffee Lake?) Framebuffer engaged?
   
   user@iMac MacIntosh % grep -i CFL kexstat.txt
   
   119 0 0xffffff7f9800b000 0xc6000 0xc6000 com.apple.driver.AppleIntelCFLGraphicsFramebuffer (18.0.8) 6FBADF64-84F9-3C03-858D-68EFB531503C <118 109 108 45 16 15 9 8 7 6 3 1>
   
   
9. What kext(s) should be returned for the i3-10105T HD630 iGPU? I would think that a kext like this should be returned:
   
   com.apple.driver.AppleIntelCMLGraphicsFramebuffer
   
   
10. Ideally that has 4k working with an HD630 Gen10 CPU would post the results of kextstat as in:
    
    user@iMac MacIntosh % kextstat > kexstat.txt

 

[Edhawk]

The Comet Lake and Coffee Lake IGPU's both use UHD 630 graphics. The two IGPU's use different device ID's but the same foundations.

They use the same CFL framebuffer kext/driver, but Apple have appended the CML device ID's to the CFL kext. You will not find a CML Framebuffer kext/driver.

 

[gatorback]

Thanks for the response Edhawk.

If a working CFL (Coffee Lake) UHD 630 iGPU system is upgraded with a CML with UHD 630 iGPU, then the same video kext drivers can be used?

If this is true, I think the CFL-HD630 Optiplex Micro EFIs posted at Github would theoretically work (from a video standpoint, sound / USB will need to be configured) work in a CML-HD630 Optiplex Micro?

I pose the questions so as to ensure my understanding is correct.

 

[Edhawk]

That is correct. The CFL and CML UHD 630 IGPU use the same graphics kexts.