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udmabuf: use cache_sgt_mapping option 

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>
This commit is contained in:
Gurchetan Singh 2019-12-02 17:36:24 -08:00 committed by Gerd Hoffmann
parent 02c484a894
commit bc7a71da43
1 changed files with 5 additions and 4 deletions
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9
drivers/dma-buf/udmabuf.c
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@ -94,10 +94,11 @@ static void release_udmabuf(struct dma_buf *buf)
}
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)