i already use this patch in config plist but its still the same issue <key>PciRoot(0x0)/Pci(0x2,0x0)</key>
<dict>
<key>igfxfw</key>
<data>AgAAAA==</data>
<key>hda-gfx</key>
<string>onboard-1</string>
<key>framebuffer-stolenmem</key>
<data>AAAwAQ==</data>
<key>framebuffer-patch-enable</key>
<integer>1</integer>
<key>AAPL,GfxYTile</key>
<data>AQAAAA==</data>
<key>AAPL,ig-platform-id</key>
<data>AACbPg==</data>
<key>device-id</key>
<data>mz4AAA==</data>
<key>framebuffer-fbmem</key>
<data>AACQAA==</data>
</dict>