via_dmablit(): use get_user_pages_fast()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 98aae98..32c9938 100644 (file)
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -238,9 +238,9 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg,  drm_via_dmablit_t *xfer)
        vsg->pages = vzalloc(sizeof(struct page *) * vsg->num_pages);
        if (NULL == vsg->pages)
                return -ENOMEM;
-       ret = get_user_pages_unlocked((unsigned long)xfer->mem_addr,
-                       vsg->num_pages, vsg->pages,
-                       (vsg->direction == DMA_FROM_DEVICE) ? FOLL_WRITE : 0);
+       ret = get_user_pages_fast((unsigned long)xfer->mem_addr,
+                       vsg->num_pages, vsg->direction == DMA_FROM_DEVICE,
+                       vsg->pages);
        if (ret != vsg->num_pages) {
                if (ret < 0)
                        return ret;