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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2015-03-25 17:45:09 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-10 15:11:37 +0200 |
| commit | 8191919bff678ae16050c60e1f86355d7731ac73 (patch) | |
| tree | dfcd8b5ff9f57e7cd9c65aaa42d70dfe658f2a7c /drivers/media | |
| parent | [media] coda: fix fill bitstream errors in nonstreaming case (diff) | |
| download | linux-8191919bff678ae16050c60e1f86355d7731ac73.tar.xz linux-8191919bff678ae16050c60e1f86355d7731ac73.zip | |
[media] coda: drop dma_sync_single_for_device in coda_bitstream_queue
Issuing a cache flush for the whole bitstream buffer is not optimal in the first
place when only a part of it was written. But given that the buffer is mapped in
writecombine mode, it is not needed at all.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Ian Molton <imolton@ad-holdings.co.uk>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/coda/coda-bit.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index d39789d59d17..d336cb66b42b 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -181,10 +181,6 @@ static int coda_bitstream_queue(struct coda_ctx *ctx, if (n < src_size) return -ENOSPC; - dma_sync_single_for_device(&ctx->dev->plat_dev->dev, - ctx->bitstream.paddr, ctx->bitstream.size, - DMA_TO_DEVICE); - src_buf->v4l2_buf.sequence = ctx->qsequence++; return 0; |