This patch adds the dmabuf export buffer feature to the
Exynos G-Scaler driver.
Signed-off-by: Shaik Ameer Basha <shaik.am...@samsung.com>
---
drivers/media/platform/exynos-gsc/gsc-m2m.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c
b/drivers/media/platform/exynos-gsc/gsc-m2m.c
index c267c57..d0c3e42 100644
--- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
+++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
@@ -367,6 +367,13 @@ static int gsc_m2m_reqbufs(struct file *file, void *fh,
return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
}
+static int gsc_m2m_expbuf(struct file *file, void *fh,
+ struct v4l2_exportbuffer *eb)
+{
+ struct gsc_ctx *ctx = fh_to_ctx(fh);
+ return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
+}
+
static int gsc_m2m_querybuf(struct file *file, void *fh,
struct v4l2_buffer *buf)
{
@@ -548,6 +555,7 @@ static const struct v4l2_ioctl_ops gsc_m2m_ioctl_ops = {
.vidioc_s_fmt_vid_cap_mplane = gsc_m2m_s_fmt_mplane,
.vidioc_s_fmt_vid_out_mplane = gsc_m2m_s_fmt_mplane,
.vidioc_reqbufs = gsc_m2m_reqbufs,
+ .vidioc_expbuf = gsc_m2m_expbuf,
.vidioc_querybuf = gsc_m2m_querybuf,
.vidioc_qbuf = gsc_m2m_qbuf,
.vidioc_dqbuf = gsc_m2m_dqbuf,
@@ -565,7 +573,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
memset(src_vq, 0, sizeof(*src_vq));
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- src_vq->io_modes = VB2_MMAP | VB2_USERPTR;
+ src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
src_vq->drv_priv = ctx;
src_vq->ops = &gsc_m2m_qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
@@ -577,7 +585,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
memset(dst_vq, 0, sizeof(*dst_vq));
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- dst_vq->io_modes = VB2_MMAP | VB2_USERPTR;
+ dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
dst_vq->drv_priv = ctx;
dst_vq->ops = &gsc_m2m_qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
--
1.7.0.4
--
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