| Subject | Re: dynamic DMA-buf sharing between devices | From | Christian König <> | Date | Wed, 17 Apr 2019 15:59:51 +0200 |
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On top of those I have 6 more patches in the pipeline to enable VRAM P2P with DMA-buf.
So that is not the end of the patch set :)
Christian.
Am 17.04.19 um 15:52 schrieb Chunming Zhou: > Thanks Christian, great job. I will verify it this week when I finish my > current work on hand. > > -David > > 在 2019/4/17 2:38, Christian König wrote: >> Hi everybody, >> >> core idea in this patch set is that DMA-buf importers can now provide an optional invalidate callback. Using this callback and the reservation object exporters can now avoid pinning DMA-buf memory for a long time while sharing it between devices. >> >> I've already send out an older version roughly a year ago, but didn't had time to further look into cleaning this up. >> >> The last time a major problem was that we would had to fix up all drivers implementing DMA-buf at once. >> >> Now I avoid this by allowing mappings to be cached in the DMA-buf attachment and so driver can optionally move over to the new interface one by one. >> >> This is also a prerequisite to my patchset enabling sharing of device memory with DMA-buf. >> >> Please review and/or comment, >> Christian. >> >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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