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/openbmc/linux/drivers/media/dvb-core/
H A Ddvb_vb2.cb00a9e59 Thu Sep 09 06:24:28 CDT 2021 Sergey Senozhatsky <senozhatsky@chromium.org> media: videobuf2: add queue memory coherency parameter

Preparations for future V4L2_MEMORY_FLAG_NON_COHERENT support.

Extend the vb2_core_reqbufs() parameters list to accept requests'
->flags, which will be used for memory coherency configuration.

An attempt to allocate a buffer with coherency requirements
that do not match the queue's consistency model will fail.

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>
/openbmc/linux/drivers/media/common/videobuf2/
H A Dvideobuf2-v4l2.cb00a9e59 Thu Sep 09 06:24:28 CDT 2021 Sergey Senozhatsky <senozhatsky@chromium.org> media: videobuf2: add queue memory coherency parameter

Preparations for future V4L2_MEMORY_FLAG_NON_COHERENT support.

Extend the vb2_core_reqbufs() parameters list to accept requests'
->flags, which will be used for memory coherency configuration.

An attempt to allocate a buffer with coherency requirements
that do not match the queue's consistency model will fail.

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>
H A Dvideobuf2-core.cb00a9e59 Thu Sep 09 06:24:28 CDT 2021 Sergey Senozhatsky <senozhatsky@chromium.org> media: videobuf2: add queue memory coherency parameter

Preparations for future V4L2_MEMORY_FLAG_NON_COHERENT support.

Extend the vb2_core_reqbufs() parameters list to accept requests'
->flags, which will be used for memory coherency configuration.

An attempt to allocate a buffer with coherency requirements
that do not match the queue's consistency model will fail.

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>
/openbmc/linux/include/media/
H A Dvideobuf2-core.hb00a9e59 Thu Sep 09 06:24:28 CDT 2021 Sergey Senozhatsky <senozhatsky@chromium.org> media: videobuf2: add queue memory coherency parameter

Preparations for future V4L2_MEMORY_FLAG_NON_COHERENT support.

Extend the vb2_core_reqbufs() parameters list to accept requests'
->flags, which will be used for memory coherency configuration.

An attempt to allocate a buffer with coherency requirements
that do not match the queue's consistency model will fail.

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>