diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_vm.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 12d7f53b7c1..cfcdf5b5440 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -226,6 +226,9 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) } else if (unlikely(!page)) { break; } + page->mapping = vma->vm_file->f_mapping; + page->index = drm_vma_node_start(&bo->vma_node) + + page_offset; pfn = page_to_pfn(page); } @@ -263,6 +266,8 @@ static void ttm_bo_vm_open(struct vm_area_struct *vma) struct ttm_buffer_object *bo = (struct ttm_buffer_object *)vma->vm_private_data; + WARN_ON(bo->bdev->dev_mapping != vma->vm_file->f_mapping); + (void)ttm_bo_reference(bo); } |