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[media] media: davinci: vpbe: add support for VIDIOC_CREATE_BUFS 

this patch adds support for vidioc_create_bufs. Along side
remove unneeded member numbuffers.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Prabhakar Lad 2014-10-22 18:42:01 -03:00 committed by Mauro Carvalho Chehab
parent 02f9cf96df
commit 7041bc997d
2 changed files with 7 additions and 5 deletions
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10
drivers/media/platform/davinci/vpbe_display.c
View File

@ -244,12 +244,15 @@ vpbe_buffer_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n");
if (fmt && fmt->fmt.pix.sizeimage < layer->pix_fmt.sizeimage)
return -EINVAL;
/* Store number of buffers allocated in numbuffer member */
if (*nbuffers < VPBE_DEFAULT_NUM_BUFS)
*nbuffers = layer->numbuffers = VPBE_DEFAULT_NUM_BUFS;
if (vq->num_buffers + *nbuffers < VPBE_DEFAULT_NUM_BUFS)
*nbuffers = VPBE_DEFAULT_NUM_BUFS - vq->num_buffers;
*nplanes = 1;
sizes[0] = layer->pix_fmt.sizeimage;
sizes[0] = fmt ? fmt->fmt.pix.sizeimage : layer->pix_fmt.sizeimage;
alloc_ctxs[0] = layer->alloc_ctx;
return 0;
@ -1241,6 +1244,7 @@ static const struct v4l2_ioctl_ops vpbe_ioctl_ops = {
.vidioc_try_fmt_vid_out = vpbe_display_try_fmt,
.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_create_bufs = vb2_ioctl_create_bufs,
.vidioc_querybuf = vb2_ioctl_querybuf,
.vidioc_qbuf = vb2_ioctl_qbuf,
.vidioc_dqbuf = vb2_ioctl_dqbuf,

2
include/media/davinci/vpbe_display.h
View File

@ -70,8 +70,6 @@ struct vpbe_disp_buffer {
/* vpbe display object structure */
struct vpbe_layer {
/* number of buffers in fbuffers */
unsigned int numbuffers;
/* Pointer to the vpbe_display */
struct vpbe_display *disp_dev;
/* Pointer pointing to current v4l2_buffer */