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| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-08-17 11:41:30 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-22 13:47:20 -0400 |
| commit | 0c4e7fa56112b0eaef0bf88b569608620e0465b8 (patch) | |
| tree | 279d4fee9378ef0f3d560170548aa66c1feb59f9 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | 4c7e885506eaefc55c2b45293b52cae9ef797d67 (diff) | |
| download | linux-0c4e7fa56112b0eaef0bf88b569608620e0465b8.tar.bz2 | |
drm/amdgpu: link all shadow bo V2
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 84990415a3dc..9113fffbb8b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -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; } |