diff options
| author | Robby Cai <r63905@freescale.com> | 2009-08-07 15:28:14 +0800 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2009-10-13 11:05:07 -0400 |
| commit | f179ef9dbe5df5d4c5223697d84cb5f4bf2351dc (patch) | |
| tree | f03bef08a6f371437e0dc04945cf2222d343ca18 /drivers | |
| parent | b2dffc1ca1d61998431fbf48f519e4d92e388bc0 (diff) | |
ENGR00114911 make video buffer cacheable to improve video performance
use pgprot_writethru instead
Signed-off-by: Robby Cai <r63905@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/videobuf-dma-contig.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c index 2d543552ae0d..eb02786795b4 100644 --- a/drivers/media/video/videobuf-dma-contig.c +++ b/drivers/media/video/videobuf-dma-contig.c @@ -269,7 +269,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q, size = vma->vm_end - vma->vm_start; size = (size < mem->size) ? size : mem->size; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + vma->vm_page_prot = pgprot_writethru(vma->vm_page_prot); retval = remap_pfn_range(vma, vma->vm_start, mem->dma_handle >> PAGE_SHIFT, size, vma->vm_page_prot); |