Am 2021-12-09 um 10:47 a.m. schrieb Philip Yang:
> For userptr bo, if adev is not in IOMMU isolation mode, RAM direct map
> to GPU, multiple GPUs use same system memory dma mapping address, they
> can share the original mem->bo in attachment to reduce dma address array
> memory usage.
>
>
For userptr bo, if adev is not in IOMMU isolation mode, RAM direct map
to GPU, multiple GPUs use same system memory dma mapping address, they
can share the original mem->bo in attachment to reduce dma address array
memory usage.
Signed-off-by: Philip Yang
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