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sun4i-csi: drop read/write, enable VB2_DMABUF

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For no obvious reason VB2_DMABUF was not enabled. Add this.

Also both read and write file ops were set, but this was not enabled
in the vb2 io_modes or in the device_caps capabilities. Drop this.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Hans Verkuil 2020-07-07 15:32:59 +02:00 committed by Mauro Carvalho Chehab
parent de26c90fc4
commit 71ecc5356d
2 changed files with 1 additions and 3 deletions
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2
drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c
View File

@ -413,7 +413,7 @@ int sun4i_csi_dma_register(struct sun4i_csi *csi, int irq)
q->min_buffers_needed = 3;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
q->io_modes = VB2_MMAP;
q->io_modes = VB2_MMAP | VB2_DMABUF;
q->lock = &csi->lock;
q->drv_priv = csi;
q->buf_struct_size = sizeof(struct sun4i_csi_buffer);

2
drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c
View File

@ -256,8 +256,6 @@ static const struct v4l2_file_operations sun4i_csi_fops = {
.open = sun4i_csi_open,
.release = sun4i_csi_release,
.unlocked_ioctl = video_ioctl2,
.read = vb2_fop_read,
.write = vb2_fop_write,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,
};