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authorShaik Ameer Basha <shaik.ameer@samsung.com>2012-12-07 11:28:55 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-06 11:42:33 (GMT)
commit371a664eea4e2c0d2acc1df082f7e08693506f89 (patch)
tree82e255e4ed9350194db2e8d86c08cba1c0777307
parent15514fb567728b236dfbedeb360f55791302bf6e (diff)
downloadlinux-371a664eea4e2c0d2acc1df082f7e08693506f89.tar.xz
[media] exynos-gsc: Support dmabuf export buffer
This patch adds the dmabuf export buffer feature to the Exynos G-Scaler driver. Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/platform/exynos-gsc/gsc-m2m.c12
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 0d06d6c..386c0a7 100644
--- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
+++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
@@ -373,6 +373,13 @@ 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)
{
@@ -554,6 +561,7 @@ 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,
@@ -571,7 +579,7 @@ 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;
@@ -583,7 +591,7 @@ 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;