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media: coda: add coda_wake_up_capture_queue 

Combine setting the last_buffer_dequeued flag on the capture video
queue and waking up its done workqueue into a helper function.

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 12:45:12 -04:00 committed by Mauro Carvalho Chehab
parent f3775f8985
commit cce5b73265
1 changed files with 13 additions and 7 deletions
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20
drivers/media/platform/coda/coda-common.c
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@ -1004,11 +1004,21 @@ static int coda_try_encoder_cmd(struct file *file, void *fh,
return v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec);
}
static void coda_wake_up_capture_queue(struct coda_ctx *ctx)
{
struct vb2_queue *dst_vq;
coda_dbg(1, ctx, "waking up capture queue\n");
dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
dst_vq->last_buffer_dequeued = true;
wake_up(&dst_vq->done_wq);
}
static int coda_encoder_cmd(struct file *file, void *fh,
struct v4l2_encoder_cmd *ec)
{
struct coda_ctx *ctx = fh_to_ctx(fh);
struct vb2_queue *dst_vq;
int ret;
ret = coda_try_encoder_cmd(file, fh, ec);
@ -1021,12 +1031,8 @@ static int coda_encoder_cmd(struct file *file, void *fh,
flush_work(&ctx->pic_run_work);
/* If there is no buffer in flight, wake up */
if (!ctx->streamon_out || ctx->qsequence == ctx->osequence) {
dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE);
dst_vq->last_buffer_dequeued = true;
wake_up(&dst_vq->done_wq);
}
if (!ctx->streamon_out || ctx->qsequence == ctx->osequence)
coda_wake_up_capture_queue(ctx);
return 0;
}