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drm/amdgpu: always reserve one more shared slot for pipelined BO moves 

This allows us to drop the extra reserve in TTM.

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>
hifive-unleashed-5.1
Christian König 2018-09-24 13:35:08 +02:00 committed by Alex Deucher
parent 0aa7aa24cc
commit 07daa8a078
2 changed files with 6 additions and 4 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -50,7 +50,8 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
p->uf_entry.priority = 0;
p->uf_entry.tv.bo = &bo->tbo;
p->uf_entry.tv.num_shared = 1;
/* One for TTM and one for the CS job */
p->uf_entry.tv.num_shared = 2;
p->uf_entry.user_pages = NULL;
drm_gem_object_put_unlocked(gobj);
@ -598,8 +599,9 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
return r;
}
/* One for TTM and one for the CS job */
amdgpu_bo_list_for_each_entry(e, p->bo_list)
e->tv.num_shared = 1;
e->tv.num_shared = 2;
amdgpu_bo_list_get_list(p->bo_list, &p->validated);
if (p->bo_list->first_userptr != p->bo_list->num_entries)

4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -617,8 +617,8 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
{
entry->priority = 0;
entry->tv.bo = &vm->root.base.bo->tbo;
/* One for the VM updates and one for the CS job */
entry->tv.num_shared = 2;
/* One for the VM updates, one for TTM and one for the CS job */
entry->tv.num_shared = 3;
entry->user_pages = NULL;
list_add(&entry->tv.head, validated);
}