DMA-buf P2P

Zhou, David(ChunMing) David1.Zhou at amd.com
Fri Apr 19 09:43:47 UTC 2019


Which test are you using? Can share?

-David

> -----Original Message-----
> From: dri-devel <dri-devel-bounces at lists.freedesktop.org> On Behalf Of
> Christian K?nig
> Sent: Thursday, April 18, 2019 8:09 PM
> To: dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org
> Subject: DMA-buf P2P
> 
> Hi guys,
> 
> as promised this is the patch set which enables P2P buffer sharing with DMA-
> buf.
> 
> Basic idea is that importers can set a flag noting that they can deal with and
> sgt which doesn't contains pages.
> 
> This in turn is the signal to the exporter that we don't need to move a buffer
> to system memory any more when a remote device wants to access it.
> 
> Please review and/or comment,
> Christian.
> 
> 
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