| 2786,11 → 2786,6 |
|---|
| struct drm_i915_gem_object *obj = vma->obj; |
| struct drm_i915_private *dev_priv = obj->base.dev->dev_private; |
| int ret; |
| if(obj == get_fb_obj()) |
| { |
| WARN(1,"attempt to unbind fb object\n"); |
| return 0; |
| }; |
| |
| if (list_empty(&vma->vma_link)) |
| return 0; |
| 3955,6 → 3950,25 |
|---|
| return obj; |
| } |
| |
| static bool discard_backing_storage(struct drm_i915_gem_object *obj) |
| { |
| /* If we are the last user of the backing storage (be it shmemfs |
| * pages or stolen etc), we know that the pages are going to be |
| * immediately released. In this case, we can then skip copying |
| * back the contents from the GPU. |
| */ |
| |
| if (obj->madv != I915_MADV_WILLNEED) |
| return false; |
| |
| if (obj->base.filp == NULL) |
| return true; |
| |
| // printf("filp %p\n", obj->base.filp); |
| shmem_file_delete(obj->base.filp); |
| return true; |
| } |
| |
| void i915_gem_free_object(struct drm_gem_object *gem_obj) |
| { |
| struct drm_i915_gem_object *obj = to_intel_bo(gem_obj); |
| 3997,18 → 4011,16 |
|---|
| |
| if (WARN_ON(obj->pages_pin_count)) |
| obj->pages_pin_count = 0; |
| if (discard_backing_storage(obj)) |
| obj->madv = I915_MADV_DONTNEED; |
| i915_gem_object_put_pages(obj); |
| // i915_gem_object_free_mmap_offset(obj); |
| |
| BUG_ON(obj->pages); |
| |
| if (obj->ops->release) |
| obj->ops->release(obj); |
| |
| if(obj->base.filp != NULL) |
| { |
| // printf("filp %p\n", obj->base.filp); |
| shmem_file_delete(obj->base.filp); |
| } |
| |
| drm_gem_object_release(&obj->base); |
| i915_gem_info_remove_obj(dev_priv, obj->base.size); |
| |