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authorHans Verkuil <hans.verkuil@cisco.com>2016-03-21 14:07:44 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-04-20 19:41:47 +0300
commit304d2a7fc8acc1bb337596e0fc301092ea079b4d (patch)
tree731d94a3929bc091ca88fce16eaf8479fef198a7 /drivers/staging/media
parent13431509a41889a70cc76b31180f63fd10d0a5b3 (diff)
downloadlinux-304d2a7fc8acc1bb337596e0fc301092ea079b4d.tar.xz
[media] tw686x-kh: specify that the DMA is 32 bits
Set vb2_queue.gfp_flags to GFP_DMA32. Otherwise it will start to create bounce buffers which is something you want to avoid since those are in limited supply. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/tw686x-kh/tw686x-kh-video.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/media/tw686x-kh/tw686x-kh-video.c b/drivers/staging/media/tw686x-kh/tw686x-kh-video.c
index 0650c29f78eb..2065c6c906bc 100644
--- a/drivers/staging/media/tw686x-kh/tw686x-kh-video.c
+++ b/drivers/staging/media/tw686x-kh/tw686x-kh-video.c
@@ -766,6 +766,7 @@ int tw686x_video_init(struct tw686x_dev *dev)
vc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
vc->vidq.min_buffers_needed = 2;
vc->vidq.lock = &vc->vb_mutex;
+ vc->vidq.gfp_flags = GFP_DMA32;
err = vb2_queue_init(&vc->vidq);
if (err)