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media: coda: allow flagging last output buffer internally

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Since V4L2_BUF_FLAG_LAST is a CAPTURE only flag, clear it from OUTPUT
buffers in QBUF and DQBUF. This allows to use the flag internally to
signal the last buffer to decode after a decoder stop command was
issued.

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>
This commit is contained in:
Philipp Zabel
2019-06-18 12:45:23 -04:00
committed by Mauro Carvalho Chehab
parent b3b7d96817
commit aa3972a358
1 changed files with 19 additions and 1 deletions
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20
drivers/media/platform/coda/coda-common.c
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@@ -879,9 +879,27 @@ static int coda_qbuf(struct file *file, void *priv,
{
struct coda_ctx *ctx = fh_to_ctx(priv);
if (ctx->inst_type == CODA_INST_DECODER &&
buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
buf->flags &= ~V4L2_BUF_FLAG_LAST;
return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
}
static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
struct coda_ctx *ctx = fh_to_ctx(priv);
int ret;
ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
if (ctx->inst_type == CODA_INST_DECODER &&
buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
buf->flags &= ~V4L2_BUF_FLAG_LAST;
return ret;
}
static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
struct vb2_v4l2_buffer *buf)
{
@@ -1295,7 +1313,7 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = {
.vidioc_qbuf = coda_qbuf,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
.vidioc_dqbuf = coda_dqbuf,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,