[RFC 1/6] udmabuf: use cache_sgt_mapping option
Gurchetan Singh
gurchetansingh at chromium.org
Thu Aug 1 02:25:12 UTC 2019
The GEM prime helpers do it, so should we. It's also possible to make
it optional later.
Signed-off-by: Gurchetan Singh <gurchetansingh at chromium.org>
---
drivers/dma-buf/udmabuf.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 9635897458a0..b345e91d831a 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -108,12 +108,13 @@ static void kunmap_udmabuf(struct dma_buf *buf, unsigned long page_num,
}
static const struct dma_buf_ops udmabuf_ops = {
- .map_dma_buf = map_udmabuf,
- .unmap_dma_buf = unmap_udmabuf,
- .release = release_udmabuf,
- .map = kmap_udmabuf,
- .unmap = kunmap_udmabuf,
- .mmap = mmap_udmabuf,
+ .cache_sgt_mapping = true,
+ .map_dma_buf = map_udmabuf,
+ .unmap_dma_buf = unmap_udmabuf,
+ .release = release_udmabuf,
+ .map = kmap_udmabuf,
+ .unmap = kunmap_udmabuf,
+ .mmap = mmap_udmabuf,
};
#define SEALS_WANTED (F_SEAL_SHRINK)
--
2.17.1
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