From: Jerome Glisse jglisse@redhat.com
On failure we need to make sure the page we free has wb cache attribute. Do this pas call the proper ttm page helper function.
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 | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 8b7a6d0..3fb4c6d 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -89,7 +89,10 @@ static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index) } return p; out_err: - put_page(p); + INIT_LIST_HEAD(&h); + list_add(&p->lru, &h); + ttm_put_pages(&h, 1, ttm->page_flags, + ttm->caching_state, &ttm->dma_address[index]); return NULL; }