hey
the best way is inject via bootloader in this case
just add this patch in devices properties
<key>PciRoot(0)/Pci(0x02,0)</key>
<dict>
<key>AAPL,ig-platform-id</key>
<data>BgAmCg==</data>
<key>device-id</key>
<data>EgQAAA==</data>
<key>framebuffer-cursormem</key>
<data>AACQAA==</data>
<key>framebuffer-patch-enable</key>
<integer>1</integer>
<key>hda-gfx</key>
<string>onboard-1</string>
</dict>