diff options
author | Christian König <christian.koenig@amd.com> | 2016-03-08 17:47:46 +0100 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-09 13:04:01 -0500 |
commit | b5a5ec55041bf129b767e7a2d282887226f4fae1 (patch) | |
tree | bbd48925df0a3e9b581284dcdaa04524c6fc5373 /drivers/gpu/drm | |
parent | fb29b57c34488b343db2e3f00e713901385f8c0d (diff) | |
download | linux-b5a5ec55041bf129b767e7a2d282887226f4fae1.tar.bz2 |
drm/amdgpu: reserve the PD during unmap and remove
We not only need to protect the mapping tree and freed list itself,
but also the items on those list.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index cb27754ec07f..7f6b4d9841e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -140,25 +140,40 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri void amdgpu_gem_object_close(struct drm_gem_object *obj, struct drm_file *file_priv) { - struct amdgpu_bo *rbo = gem_to_amdgpu_bo(obj); - struct amdgpu_device *adev = rbo->adev; + struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + struct amdgpu_device *adev = bo->adev; struct amdgpu_fpriv *fpriv = file_priv->driver_priv; struct amdgpu_vm *vm = &fpriv->vm; + + struct amdgpu_bo_list_entry vm_pd; + struct list_head list, duplicates; + struct ttm_validate_buffer tv; + struct ww_acquire_ctx ticket; struct amdgpu_bo_va *bo_va; int r; - r = amdgpu_bo_reserve(rbo, true); + + INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&duplicates); + + tv.bo = &bo->tbo; + tv.shared = true; + list_add(&tv.head, &list); + + amdgpu_vm_get_pd_bo(vm, &list, &vm_pd); + + r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates); if (r) { dev_err(adev->dev, "leaking bo va because " "we fail to reserve bo (%d)\n", r); return; } - bo_va = amdgpu_vm_bo_find(vm, rbo); + bo_va = amdgpu_vm_bo_find(vm, bo); if (bo_va) { if (--bo_va->ref_count == 0) { amdgpu_vm_bo_rmv(adev, bo_va); } } - amdgpu_bo_unreserve(rbo); + ttm_eu_backoff_reservation(&ticket, &list); } static int amdgpu_gem_handle_lockup(struct amdgpu_device *adev, int r) @@ -580,11 +595,10 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, tv.shared = true; list_add(&tv.head, &list); - if (args->operation == AMDGPU_VA_OP_MAP) { - tv_pd.bo = &fpriv->vm.page_directory->tbo; - tv_pd.shared = true; - list_add(&tv_pd.head, &list); - } + tv_pd.bo = &fpriv->vm.page_directory->tbo; + tv_pd.shared = true; + list_add(&tv_pd.head, &list); + r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates); if (r) { drm_gem_object_unreference_unlocked(gobj); |