use this patch with whatevergreen 1.3.7
<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-con1-alldata</key>
<data>AQUSAAAEAACHAAAA</data>
<key>framebuffer-con1-enable</key>
<data>AQAAAA==</data>
<key>framebuffer-con2-alldata</key>
<data>AgQSABAAAACHAAAA</data>
<key>framebuffer-con2-enable</key>
<data>AQAAAA==</data>
<key>framebuffer-cursormem</key>
<data>AACQAA==</data>
<key>framebuffer-patch-enable</key>
<data>AQAAAA==</data>
<key>framebuffer-unifiedmem</key>
<data>AAAAgA==</data>
</dict>