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| author | Robby Cai <r63905@freescale.com> | 2009-08-07 15:28:14 +0800 |
|---|---|---|
| committer | Rob Herring <r.herring@freescale.com> | 2009-08-07 16:09:44 -0500 |
| commit | 71636f796d8ab673d0626f21d1bbd153cf60f8ba (patch) | |
| tree | f03bef08a6f371437e0dc04945cf2222d343ca18 /drivers | |
| parent | 1ac1681829e30837aa8b7243b623813b767ad206 (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); |