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drm/amdgpu: fix using shared fence for exported BOs v2 

It is perfectly possible that the BO list is created before the BO is
exported. While at it clean up setting shared to one instead of true.

v2: add comment and simplify logic

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-09-19 16:54:35 +02:00 committed by Alex Deucher
parent a9f34c70fd
commit 049aca4363
2 changed files with 11 additions and 3 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
View File

@ -118,7 +118,6 @@ int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp,
entry->priority = min(info[i].bo_priority,
AMDGPU_BO_LIST_MAX_PRIORITY);
entry->tv.bo = &bo->tbo;
entry->tv.num_shared = !bo->prime_shared_count;
if (bo->preferred_domains == AMDGPU_GEM_DOMAIN_GDS)
list->gds_obj = bo;

13
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -598,6 +598,9 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
return r;
}
amdgpu_bo_list_for_each_entry(e, p->bo_list)
e->tv.num_shared = 1;
amdgpu_bo_list_get_list(p->bo_list, &p->validated);
if (p->bo_list->first_userptr != p->bo_list->num_entries)
p->mn = amdgpu_mn_get(p->adev, AMDGPU_MN_TYPE_GFX);
@ -717,8 +720,14 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
gws = p->bo_list->gws_obj;
oa = p->bo_list->oa_obj;
amdgpu_bo_list_for_each_entry(e, p->bo_list)
e->bo_va = amdgpu_vm_bo_find(vm, ttm_to_amdgpu_bo(e->tv.bo));
amdgpu_bo_list_for_each_entry(e, p->bo_list) {
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
/* Make sure we use the exclusive slot for shared BOs */
if (bo->prime_shared_count)
e->tv.num_shared = 0;
e->bo_va = amdgpu_vm_bo_find(vm, bo);
}
if (gds) {
p->job->gds_base = amdgpu_bo_gpu_offset(gds) >> PAGE_SHIFT;