| Message ID | 1459550307-688-2-git-send-email-ezequiel@vanguardiasur.com.ar (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c index a3505aa66b77..19a348fe04e3 100644 --- a/drivers/media/pci/tw686x/tw686x-video.c +++ b/drivers/media/pci/tw686x/tw686x-video.c @@ -848,6 +848,7 @@ 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) {
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. Without this patch, DMA scatter-gather may not work because machines can ran out of buffers easily. Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> -- Hans, Feel free to squash this patch into the previous patch, or to apply it independently. Thanks, Ezequiel --- drivers/media/pci/tw686x/tw686x-video.c | 1 + 1 file changed, 1 insertion(+)