[media] v4l: ti-vpe: Allow DMABUF buffer type support

For OMAP and DRA7x, we generally allocate video and graphics buffers through
omapdrm since the corresponding omap-gem driver provides DMM-Tiler backed
contiguous buffers. omapdrm is a dma-buf exporter. These buffers are used by
other drivers in the video pipeline.

Add VB2_DMABUF flag to the io_modes of the vb2 output and capture queues. This
allows the driver to import dma shared buffers.

Reviewed-by: Hans Verkuil <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Signed-off-by: Kamil Debski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index d90ad2bed2fa5ca6125d16e6978e4cf09bde4530..b3cea49d627980c1dec01c4105fd0a7f75ab0c01 100644 (file)
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -1784,7 +1784,7 @@ 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;
+       src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
        src_vq->drv_priv = ctx;
        src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
        src_vq->ops = &vpe_qops;
@@ -1797,7 +1797,7 @@ 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;
+       dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
        dst_vq->drv_priv = ctx;
        dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
        dst_vq->ops = &vpe_qops;