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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2019-06-18 12:45:18 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-06-24 14:28:34 -0400 |
| commit | ccb901196ec5298458f2cd2c4c43652c3c0d5032 (patch) | |
| tree | e9af972d74dd46a4c1e74875aec7e8bb1cea9201 /drivers/media | |
| parent | 94af4c45a7a6f2f4f6fcd93e07078b319ac78016 (diff) | |
| download | linux-ccb901196ec5298458f2cd2c4c43652c3c0d5032.tar.gz linux-ccb901196ec5298458f2cd2c4c43652c3c0d5032.tar.bz2 linux-ccb901196ec5298458f2cd2c4c43652c3c0d5032.zip | |
media: coda: make coda_bitstream_queue more versatile
Pass vaddr and size to coda_bitstream_queue instead of a struct
vb2_v4l2_buffer to make it reusable for queueing data that is
not exactly a whole v4l2 buffer into the bitstream ringbuffer.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/coda/coda-bit.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index 494bc130c7af..4f96f808b4dd 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -199,33 +199,25 @@ static int coda_bitstream_pad(struct coda_ctx *ctx, u32 size) return (n < size) ? -ENOSPC : 0; } -static int coda_bitstream_queue(struct coda_ctx *ctx, - struct vb2_v4l2_buffer *src_buf) +static int coda_bitstream_queue(struct coda_ctx *ctx, const u8 *buf, u32 size) { - u32 src_size = vb2_get_plane_payload(&src_buf->vb2_buf, 0); - u32 n; - - n = kfifo_in(&ctx->bitstream_fifo, - vb2_plane_vaddr(&src_buf->vb2_buf, 0), src_size); - if (n < src_size) - return -ENOSPC; + u32 n = kfifo_in(&ctx->bitstream_fifo, buf, size); - src_buf->sequence = ctx->qsequence++; - - return 0; + return (n < size) ? -ENOSPC : 0; } static bool coda_bitstream_try_queue(struct coda_ctx *ctx, struct vb2_v4l2_buffer *src_buf) { unsigned long payload = vb2_get_plane_payload(&src_buf->vb2_buf, 0); + u8 *vaddr = vb2_plane_vaddr(&src_buf->vb2_buf, 0); int ret; if (coda_get_bitstream_payload(ctx) + payload + 512 >= ctx->bitstream.size) return false; - if (vb2_plane_vaddr(&src_buf->vb2_buf, 0) == NULL) { + if (!vaddr) { v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n"); return true; } @@ -235,11 +227,14 @@ static bool coda_bitstream_try_queue(struct coda_ctx *ctx, ctx->codec->src_fourcc == V4L2_PIX_FMT_H264) coda_bitstream_pad(ctx, 512 - payload); - ret = coda_bitstream_queue(ctx, src_buf); + ret = coda_bitstream_queue(ctx, vaddr, payload); if (ret < 0) { v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n"); return false; } + + src_buf->sequence = ctx->qsequence++; + /* Sync read pointer to device */ if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev)) coda_kfifo_sync_to_device_write(ctx); |