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[media] tw686x-kh: specify that the DMA is 32 bits

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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>
This commit is contained in:
Hans Verkuil 2016-03-21 08:07:44 -03:00 committed by Mauro Carvalho Chehab
parent 13431509a4
commit 304d2a7fc8
1 changed files with 1 additions and 0 deletions
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drivers/staging/media/tw686x-kh/tw686x-kh-video.c
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@ -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)