From: Jerome Glisse jglisse@redhat.com
Signed-off-by: Jerome Glisse jglisse@redhat.com Reviewed-by: Konrad Rzeszutek Wilk konrad.wilk@oracle.com Reviewed-by: Thomas Hellstrom thellstrom@vmware.com --- 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 3fb4c6d..aceecb5 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -319,7 +319,7 @@ 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;