| From d57aecba0cd291e0c28e2c82c3d4bce06c5b5b94 Mon Sep 17 00:00:00 2001 |
| From: Gurchetan Singh <gurchetansingh@chromium.org> |
| Date: Mon, 2 Dec 2019 17:36:24 -0800 |
| Subject: [PATCH] udmabuf: use cache_sgt_mapping option |
| |
| Commit bc7a71da43b48333f84c6534ab43d240e34cf9eb uptream. |
| |
| The GEM prime helpers do it, so should we. It's also possible to make |
| it optional later. |
| |
| Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org> |
| Link: http://patchwork.freedesktop.org/patch/msgid/20191203013627.85991-1-gurchetansingh@chromium.org |
| Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> |
| --- |
| drivers/dma-buf/udmabuf.c | 9 +++++---- |
| 1 file changed, 5 insertions(+), 4 deletions(-) |
| |
| --- a/drivers/dma-buf/udmabuf.c |
| +++ b/drivers/dma-buf/udmabuf.c |
| @@ -97,10 +97,11 @@ static void release_udmabuf(struct dma_b |
| } |
| |
| static const struct dma_buf_ops udmabuf_ops = { |
| - .map_dma_buf = map_udmabuf, |
| - .unmap_dma_buf = unmap_udmabuf, |
| - .release = release_udmabuf, |
| - .mmap = mmap_udmabuf, |
| + .cache_sgt_mapping = true, |
| + .map_dma_buf = map_udmabuf, |
| + .unmap_dma_buf = unmap_udmabuf, |
| + .release = release_udmabuf, |
| + .mmap = mmap_udmabuf, |
| }; |
| |
| #define SEALS_WANTED (F_SEAL_SHRINK) |