Re: [PATCH 11/23] dma-buf: drop the DAG approach for the dma_resv object v2

2022-03-23 Thread Daniel Vetter
On Mon, Mar 21, 2022 at 02:58:44PM +0100, Christian König wrote: > So far we had the approach of using a directed acyclic > graph with the dma_resv obj. > > This turned out to have many downsides, especially it means > that every single driver and user of this interface needs > to be aware of this

[PATCH 11/23] dma-buf: drop the DAG approach for the dma_resv object v2

2022-03-21 Thread Christian König
So far we had the approach of using a directed acyclic graph with the dma_resv obj. This turned out to have many downsides, especially it means that every single driver and user of this interface needs to be aware of this restriction when adding fences. If the rules for the DAG are not followed th