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| author | Robby Cai <r63905@freescale.com> | 2009-08-07 15:28:14 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-02-12 17:19:11 +0100 |
| commit | abd096b61e9e8e77660027a37f351becc50c106a (patch) | |
| tree | a39574f0e7fd73f2ac9016e8d73f90c4747a1530 /drivers/media/video | |
| parent | 2a5e07374b32fe55c73a31577e8c0de478a230f7 (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/media/video')
| -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 d09ce83a9429..2ac8c2421ad2 100644 --- a/drivers/media/video/videobuf-dma-contig.c +++ b/drivers/media/video/videobuf-dma-contig.c @@ -333,7 +333,7 @@ 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); |