GUIDE How to Enable Intel HD and UHD Graphics on macOS - Intel Framebuffer Patching Guide

[EliteMacx86]

so then, I connecting HDMI port before booting in Window or macOS ?

Of course, macOS.

 

[kietgolx65234]

No singal and this is my ioreg when plug in HDMI before booting macOS

 

[EliteMacx86]

No singal and this is my ioreg when plug in HDMI before booting macOS

You must connect HDMI after booting macOS. It was already stated.

 

[kietgolx65234]

You must connect HDMI after booting macOS. It was already stated.

Same, no one hdmi connected

 

[EliteMacx86]

Same, no one hdmi connected

Provide IOReg and a copy of your EFI.

 

[kietgolx65234]

This is my EFI and ioreg

 

[EliteMacx86]

This is my EFI and ioreg

Framebuffer patching is not proper. See "Connector Patching" on the first page of this guide.

 

[kietgolx65234]

oh, so I will patch con1 and con2 like that
right ? but I don't know to need patch busID ?

 

[EliteMacx86]

oh, so I will patch con1 and con2 like that View attachment 5882
right ? but I don't know to need patch busID ?

Your framebuffer patching isn't correct.

First, you need to identify the physical ports, then patch accordingly. In your case, the con0 is missing which is the Internal display.

 

[kietgolx65234]

Your framebuffer patching isn't correct.

First, you need to identify the physical ports, then patch accordingly. In your case, the con0 is missing which is the Internal display.

i have 3 output ports for iGPU respectively: con0, con1, con2


Because of this, config framebuffer-portcount: 3


con0 is the port screen of my laptop because I see display0 inside it

Then I just config con1 and con2 to HDMI like that


And my port HDMI is 2.0 and my chipset is CFL, I need use LSPCON


--Summary my config about iGPU:



Do you think I'm wrong at any point?