Originally posted by pingufunkybeat
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Someone else whom is 'in the know', reading this thread hopefully will comment. But l'm pretty sure Nvidia is NOT going to be able to use DMABUF... To be honest, even when reading that original dmabuf/phoronix article that you linked too, i was not very hopeful that the kernel developers were actually going to use EXPORT_SYMBOL / allow nvidia to use dmabuf ~ even if it would've maybe allowed them to support Optimus (which was, from the sound of it, one of their goals along with the tegra bit cited in the posting).
So for all those people bitching how nvidia won't support Optimus, they should be equally bitching how (certain) kernel developers don't actually want Optimus to work seamlessly on linux, either. ..or at the very least, they are making it harder for nvidia to do so. Now, i am sure that is because they are trying to force nvidia's hand - but it's a shame that the end-user is the one who is paying the price, IMO. thus i think RealNC hit the nail on the head;
Originally posted by RealNC
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