Hi Hans, On 21/02/2020 08:45, Hans Verkuil wrote: > The combination of VB2_USERPTR and dma-contig makes no sense for > these devices, drop it. > > Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> Agreed, the FDP1 and VSP1 expect contiguous physical memory, so a user-pointer doesn't make much sense to be permitted. I haven't lokoed at the Xilinx platform in regards to this but I would be surprised if it wasn't the same issue there of course. For VSP1/FDP1: Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> > --- > drivers/media/platform/omap3isp/ispvideo.c | 2 +- > drivers/media/platform/rcar_fdp1.c | 4 ++-- > drivers/media/platform/vsp1/vsp1_video.c | 2 +- > drivers/media/platform/xilinx/xilinx-dma.c | 2 +- > 4 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c > index e8c46ff1aeb4..1104654ba438 100644 > --- a/drivers/media/platform/omap3isp/ispvideo.c > +++ b/drivers/media/platform/omap3isp/ispvideo.c > @@ -1319,7 +1319,7 @@ static int isp_video_open(struct file *file) > > queue = &handle->queue; > queue->type = video->type; > - queue->io_modes = VB2_MMAP | VB2_DMABUF | VB2_USERPTR; > + queue->io_modes = VB2_MMAP | VB2_DMABUF; > queue->drv_priv = handle; > queue->ops = &isp_video_queue_ops; > queue->mem_ops = &vb2_dma_contig_memops; > diff --git a/drivers/media/platform/rcar_fdp1.c b/drivers/media/platform/rcar_fdp1.c > index 97bed45360f0..df081f66575f 100644 > --- a/drivers/media/platform/rcar_fdp1.c > +++ b/drivers/media/platform/rcar_fdp1.c > @@ -2047,7 +2047,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, > int ret; > > src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; > - src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + src_vq->io_modes = VB2_MMAP | VB2_DMABUF; > src_vq->drv_priv = ctx; > src_vq->buf_struct_size = sizeof(struct fdp1_buffer); > src_vq->ops = &fdp1_qops; > @@ -2061,7 +2061,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, > return ret; > > dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; > - dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; > dst_vq->drv_priv = ctx; > dst_vq->buf_struct_size = sizeof(struct fdp1_buffer); > dst_vq->ops = &fdp1_qops; > diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c > index 5e59ed2c3614..112e2092f6d3 100644 > --- a/drivers/media/platform/vsp1/vsp1_video.c > +++ b/drivers/media/platform/vsp1/vsp1_video.c > @@ -1300,7 +1300,7 @@ struct vsp1_video *vsp1_video_create(struct vsp1_device *vsp1, > video_set_drvdata(&video->video, video); > > video->queue.type = video->type; > - video->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + video->queue.io_modes = VB2_MMAP | VB2_DMABUF; > video->queue.lock = &video->lock; > video->queue.drv_priv = video; > video->queue.buf_struct_size = sizeof(struct vsp1_vb2_buffer); > diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c > index b211380a11f2..57e52ad720dd 100644 > --- a/drivers/media/platform/xilinx/xilinx-dma.c > +++ b/drivers/media/platform/xilinx/xilinx-dma.c > @@ -708,7 +708,7 @@ int xvip_dma_init(struct xvip_composite_device *xdev, struct xvip_dma *dma, > * instead of 'cat' isn't really a drawback. > */ > dma->queue.type = type; > - dma->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; > + dma->queue.io_modes = VB2_MMAP | VB2_DMABUF; > dma->queue.lock = &dma->lock; > dma->queue.drv_priv = dma; > dma->queue.buf_struct_size = sizeof(struct xvip_dma_buffer); >