On Wed, Jul 08, 2015 at 07:18:58PM +0300, Imre Deak wrote:
> We have 3 types of DMA mappings for GEM objects:
> 1. physically contiguous for stolen and for objects needing contiguous
>memory
> 2. DMA-buf mappings imported via a DMA-buf attach operation
> 3. SG DMA mappings for shmem backed and
We have 3 types of DMA mappings for GEM objects:
1. physically contiguous for stolen and for objects needing contiguous
memory
2. DMA-buf mappings imported via a DMA-buf attach operation
3. SG DMA mappings for shmem backed and userptr objects
For 1. and 2. the lifetime of the DMA mapping matche