> 2. Use the GPUVM inside the GPU to access system memory. The
> limitation here is that the GPUVM uses 40-bit addresses, so the
> virtual address range must be in the lower 40-bit address range of the
> CPU. Access speed is limited by PCI-e bandwidth. Another limitation is
> that the system memory
On Tue, Jul 07, 2015 at 11:29:38AM -0400, Ilia Mirkin wrote:
> On Mon, Jul 6, 2015 at 8:42 PM, Andrew Chew wrote:
> > These ioctls just call into the allocator to allocate a range of addresses,
> > resulting in a struct nvkm_vma that tracks that allocation (or releases the
>