[media] media: vb2: support userptr for PFN mappings

Browse source

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>

...

This commit is contained in:

Javier Martin 2012-02-16 12:19:08 -03:00 • committed by Mauro Carvalho Chehab

parent a1212162f4

commit 570d2a48b7

1 changed files with 47 additions and 23 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

68

drivers/media/video/videobuf2-vmalloc.c

View file