diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch b/target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch new file mode 100644 index 0000000000..166055556f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch @@ -0,0 +1,35 @@ +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 +@@ -94,10 +94,11 @@ 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) |