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drm/ttm: allow reserving more than one shared slot v3

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Let's support simultaneous submissions to multiple engines.

v2: rename the field to num_shared and fix up all users
v3: rebased

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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-09-19 16:25:08 +02:00
committed by Alex Deucher
parent c50fe0c5b1
commit a9f34c70fd
14 changed files with 35 additions and 30 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -617,7 +617,7 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
{
entry->priority = 0;
entry->tv.bo = &vm->root.base.bo->tbo;
entry->tv.shared = true;
entry->tv.num_shared = 1;
entry->user_pages = NULL;
list_add(&entry->tv.head, validated);
}