[PATCH 1/2] drm/ttm: use the same attributes when freeing d_page->vaddr

[Fuqian Huang]

In function __ttm_dma_alloc_page(), d_page->addr is allocated
by dma_alloc_attrs() but freed with use dma_free_coherent() in
__ttm_dma_free_page().
Use the correct dma_free_attrs() to free d_page->vaddr.

Signed-off-by: Fuqian Huang <huangfq.dax...@gmail.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c 
b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
index d594f7520b7b..7d78e6deac89 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
@@ -285,9 +285,13 @@ static int ttm_set_pages_caching(struct dma_pool *pool,
 
 static void __ttm_dma_free_page(struct dma_pool *pool, struct dma_page *d_page)
 {
+       unsigned long attrs = 0;
        dma_addr_t dma = d_page->dma;
        d_page->vaddr &= ~VADDR_FLAG_HUGE_POOL;
-       dma_free_coherent(pool->dev, pool->size, (void *)d_page->vaddr, dma);
+       if (pool->type & IS_HUGE)
+               attrs = DMA_ATTR_NO_WARN;
+
+       dma_free_attrs(pool->dev, pool->size, (void *)d_page->vaddr, dma, 
attrs);
 
        kfree(d_page);
        d_page = NULL;
-- 
2.11.0