On 11/09/2020 06:42, Dave Airlie wrote:
I've just been looking at the current DG1 uapi, and I can't see any flag to allow userspace to upfront say it was a contiguous vram BO. I think you'd really want this for scanout, since otherwise you'll have to migrate any non-contig to contig when it transitions to scanout, and cause an extra set of copies.
Hmm, why do we need physically contiguous memory for scanout? From hw pov it's seen through the GTT.
Dave.
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