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dma-buf: allow reserving more than one shared fence slot

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Let's support simultaneous submissions to multiple engines.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.kernel.org/patch/10626149/
This commit is contained in:
Christian König
2018-09-19 16:12:25 +02:00
parent 27836b641c
commit ca05359f1e
16 changed files with 28 additions and 23 deletions
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3
include/linux/reservation.h
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@@ -261,7 +261,8 @@ reservation_object_get_excl_rcu(struct reservation_object *obj)
return fence;
}
int reservation_object_reserve_shared(struct reservation_object *obj);
int reservation_object_reserve_shared(struct reservation_object *obj,
unsigned int num_fences);
void reservation_object_add_shared_fence(struct reservation_object *obj,
struct dma_fence *fence);