Hello,

If find a workaround to video corruption for intel gpu on macbook pro
retina.

the work around work as follow :

- patch the kernel 3.5.1 with attached patch
- that OS X and switch to intgrated gpu only with:
  http://codykrieger.com/gfxCardStatus
- reboot with the patched kernel

I did not try it in BIOS mode, I use it on EFI mode only.

The patch point out the fact that bit-per-pixel of panel is not detected
correctly.

Best regards