diff options
| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2021-09-09 13:24:27 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-09-30 10:07:57 +0200 |
| commit | 965c1e0bfeb66888fb000540c1fc4e8b55533d9c (patch) | |
| tree | 376a2014e15f810d14e413fb0b6cf3f414cbec13 /include/uapi/linux/videodev2.h | |
| parent | cde513fd9b35e29e345ef95cd59f0db8bffca91c (diff) | |
media: videobuf2: add V4L2_MEMORY_FLAG_NON_COHERENT flag
By setting or clearing the V4L2_MEMORY_FLAG_NON_COHERENT flag
user-space should be able to hint vb2 that either non-coherent
(if supported) or coherent memory should be used for the buffer
allocation.
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'include/uapi/linux/videodev2.h')
| -rw-r--r-- | include/uapi/linux/videodev2.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 5cc9545feb40..9b7032abb2c7 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -962,6 +962,8 @@ struct v4l2_requestbuffers { __u32 reserved[1]; }; +#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) + /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) |