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[media] media: ti-vpe: use vb2_ops_wait_prepare/finish helper 

This patch drops driver specific wait_prepare() and
wait_finish() callbacks from vb2_ops and instead uses
the the helpers vb2_ops_wait_prepare/finish() provided
by the vb2 core, the lock member of the queue needs
to be initalized to a mutex so that vb2 helpers
vb2_ops_wait_prepare/finish() can make use of it.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Prabhakar Lad 2014-11-26 19:42:25 -03:00 committed by Mauro Carvalho Chehab
parent 2914e72681
commit 3d0aed3834
1 changed files with 5 additions and 14 deletions
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19
drivers/media/platform/ti-vpe/vpe.c
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@ -1913,30 +1913,19 @@ static void vpe_buf_queue(struct vb2_buffer *vb)
v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
}
static void vpe_wait_prepare(struct vb2_queue *q)
{
struct vpe_ctx *ctx = vb2_get_drv_priv(q);
vpe_unlock(ctx);
}
static void vpe_wait_finish(struct vb2_queue *q)
{
struct vpe_ctx *ctx = vb2_get_drv_priv(q);
vpe_lock(ctx);
}
static struct vb2_ops vpe_qops = {
.queue_setup = vpe_queue_setup,
.buf_prepare = vpe_buf_prepare,
.buf_queue = vpe_buf_queue,
.wait_prepare = vpe_wait_prepare,
.wait_finish = vpe_wait_finish,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
static int queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct vpe_ctx *ctx = priv;
struct vpe_dev *dev = ctx->dev;
int ret;
memset(src_vq, 0, sizeof(*src_vq));
@ -1947,6 +1936,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
src_vq->ops = &vpe_qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &dev->dev_mutex;
ret = vb2_queue_init(src_vq);
if (ret)
@ -1960,6 +1950,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
dst_vq->ops = &vpe_qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &dev->dev_mutex;
return vb2_queue_init(dst_vq);
}