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

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/

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 6904d794d60a..bdce05183edb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -772,7 +772,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
 
         ring = container_of(vm->entity.rq->sched, struct amdgpu_ring, sched);
 
-        r = reservation_object_reserve_shared(bo->tbo.resv);
+        r = reservation_object_reserve_shared(bo->tbo.resv, 1);
         if (r)
                 return r;
 
@@ -1839,7 +1839,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
         if (r)
                 goto error_free;
 
-        r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv);
+        r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv, 1);
         if (r)
                 goto error_free;