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path: root/drivers/media/video/videobuf2-vmalloc.c
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2012-03-08[media] media: vb2: support userptr for PFN mappingsJavier Martin1-23/+47
Some video devices need to use contiguous memory which is not backed by pages as it happens with vmalloc. This patch provides USERPTR handling for those devices. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-30[media] media: vb2: vmalloc-based allocator user pointer handlingAndrzej Pietrasiewicz1-12/+78
This patch adds support for user pointer memory buffers to vmalloc videobuf2 allocator. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> CC: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-03-22[media] Update Pawel Osciak's e-mail addressPawel Osciak1-2/+2
Signed-off-by: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-03-22[media] v4l: videobuf2: add vmalloc allocatorPawel Osciak1-0/+132
Add an implementation of contiguous virtual memory allocator and handling routines for videobuf2, implemented on top of vmalloc()/vfree() calls. Signed-off-by: Pawel Osciak <p.osciak@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> CC: Pawel Osciak <pawel@osciak.com> Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>