Commit 371a664e authored by Shaik Ameer Basha's avatar Shaik Ameer Basha Committed by Mauro Carvalho Chehab
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[media] exynos-gsc: Support dmabuf export buffer 



This patch adds the dmabuf export buffer feature to the
Exynos G-Scaler driver.

Signed-off-by: default avatarShaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 15514fb5

drivers/media/platform/exynos-gsc/gsc-m2m.c

+10 −2
Original line number Diff line number Diff line
@@ -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;

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