diff options
| author | Wayne Zou <b36644@freescale.com> | 2012-08-13 15:26:23 +0800 |
|---|---|---|
| committer | Wayne Zou <b36644@freescale.com> | 2012-08-13 16:19:06 +0800 |
| commit | cef228084ed439a34c0ae7afaa8ed322133fcd39 (patch) | |
| tree | 7ee9bbd0d36eccb4a7ac2f1220e7a4848a091f58 /drivers | |
| parent | df8c1c22bd02a4e9df823cd127b0139e6f4c02b2 (diff) | |
ENGR00216786-3 V4L2 output: Allocate DMA buffer from DMA zone
Allocate DMA buffer from DMA zone, and the system can configure reserve dma
size through proc fs file under /proc/sys/vm/lowmem_reserve_ratio.
Signed-off-by: Wayne Zou <b36644@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/mxc/output/mxc_vout.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/mxc/output/mxc_vout.c b/drivers/media/video/mxc/output/mxc_vout.c index 4b3617f89b08..366d27a92286 100644 --- a/drivers/media/video/mxc/output/mxc_vout.c +++ b/drivers/media/video/mxc/output/mxc_vout.c @@ -244,7 +244,7 @@ static int alloc_dma_buf(struct mxc_vout_output *vout, struct dma_mem *buf) { buf->vaddr = dma_alloc_coherent(vout->vbq.dev, buf->size, &buf->paddr, - GFP_KERNEL); + GFP_DMA | GFP_KERNEL); if (!buf->vaddr) { v4l2_err(vout->vfd->v4l2_dev, "cannot get dma buf size:0x%x\n", buf->size); |