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drm/amdgpu: link all shadow bo V2

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V2:
1. use mutex instead of spinlock for shadow list, since its process could
sleep.
2. move list_del to bo destroy phase.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou
2016-08-17 11:41:30 +08:00
committed by Alex Deucher
parent 4c7e885506
commit 0c4e7fa561
3 changed files with 19 additions and 1 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@@ -98,6 +98,11 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
drm_gem_object_release(&bo->gem_base);
amdgpu_bo_unref(&bo->parent);
if (!list_empty(&bo->shadow_list)) {
mutex_lock(&bo->adev->shadow_list_lock);
list_del_init(&bo->shadow_list);
mutex_unlock(&bo->adev->shadow_list_lock);
}
kfree(bo->metadata);
kfree(bo);
}
@@ -315,6 +320,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
}
bo->adev = adev;
INIT_LIST_HEAD(&bo->list);
INIT_LIST_HEAD(&bo->shadow_list);
INIT_LIST_HEAD(&bo->va);
bo->prefered_domains = domain & (AMDGPU_GEM_DOMAIN_VRAM |
AMDGPU_GEM_DOMAIN_GTT |
@@ -407,8 +413,12 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
NULL, &placement,
bo->tbo.resv,
&bo->shadow);
if (!r)
if (!r) {
bo->shadow->parent = amdgpu_bo_ref(bo);
mutex_lock(&adev->shadow_list_lock);
list_add_tail(&bo->shadow_list, &adev->shadow_list);
mutex_unlock(&adev->shadow_list_lock);
}
return r;
}