Something like that?
I don't know if I did it right. I copied the code and replaced it in config.plist
Continues restarting using hdmi.
<key>PciRoot(0x0)/Pci(0x2,0x0)</key>
<dict>
<key>AAPL,GfxYTile</key>
<data>AQAAAA==</data>
<key>AAPL,ig-platform-id</key>
<data>CQClPg==</data>
<key>AAPL,slot-name</key>
<string>Internal@0,2,0</string>
<key>AAPL00,override-no-connect</key>
<data>AP///////wAGEHycAAAAAB8cAQSlIhNgA2+xp1VMniUM
UFQAAAABAQEBAQEBAQEBAQEBAQEBAzqANnE4HkAwIDYA
WMIQAAAaAAAAAAAAAAAAAAAAAAAAAAAAAAAA/gBCT0Ug
Q1EKICAgICAgAAAA/gBOVDE1NkZITS1ONjEKAFc=</data>
<key>device-id</key>
<data>pT4AAA==</data>
<key>device_type</key>
<string>VGA compatible controller</string>
<key>disable-external-gpu</key>
<data>AQAAAA==</data>
<key>enable-hdmi-dividers-fix</key>
<data>AQAAAA==</data>
<key>enable-hdmi20</key>
<data>AQAAAA==</data>
<key>framebuffer-con0-alldata</key>
<data>AAASAAIAAACYAAAAAQESAAAIAADHAQAAAgYSAAAEAADH
AQAA</data>
<key>framebuffer-con0-enable</key>
<data>AQAAAA==</data>
<key>framebuffer-fbmem</key>
<data>AACQAA==</data>
<key>framebuffer-patch-enable</key>
<data>AQAAAA==</data>
<key>framebuffer-stolenmem</key>
<data>AAAwAQ==</data>
<key>framebuffer-unifiedmem</key>
<data>AAAAgA==</data>
<key>hda-gfx</key>
<string>onboard-1</string>
<key>model</key>
<string>Intel Iris Plus Graphics 655</string>
</dict>