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| author | Robby Cai <r63905@freescale.com> | 2009-08-07 15:28:14 +0800 |
|---|---|---|
| committer | Alan Tull <r80115@freescale.com> | 2010-08-25 11:51:19 -0500 |
| commit | 6734a0004d461dee7e545986f9a98b0f4d259623 (patch) | |
| tree | 56cd1614c55b32da7bc12c953d379508c8e6719f /drivers/media/video/videobuf-dma-contig.c | |
| parent | 350f9cd2d2e940c361b596ca4a7d8c00a0129b6c (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/videobuf-dma-contig.c')
| -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 74730c624cfc..67a3df14250e 100644 --- a/drivers/media/video/videobuf-dma-contig.c +++ b/drivers/media/video/videobuf-dma-contig.c @@ -306,7 +306,7 @@ 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); |