On Wed, Nov 02, 2011 at 07:37:53PM -0400, j.glisse@xxxxxxxxx wrote:
> From: Jerome Glisse <jglisse@xxxxxxxxxx>
>
> Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
Reviewed-by-me.
> ---
> drivers/gpu/drm/ttm/ttm_tt.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
> index 2dd45ca..58ea7dc 100644
> --- a/drivers/gpu/drm/ttm/ttm_tt.c
> +++ b/drivers/gpu/drm/ttm/ttm_tt.c
> @@ -298,7 +298,7 @@ struct ttm_tt *ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
> ttm->dummy_read_page = dummy_read_page;
>
> ttm_tt_alloc_page_directory(ttm);
> - if (!ttm->pages) {
> + if (!ttm->pages || !ttm->dma_address) {
> ttm_tt_destroy(ttm);
> printk(KERN_ERR TTM_PFX "Failed allocating page table\n");
> return NULL;
> --
> 1.7.1
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