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authorHans Verkuil <hverkuil@xs4all.nl>2019-01-14 11:23:52 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-01-16 13:40:49 -0500
commit987303cc172a0899bc25b913d1315809a9fb8d17 (patch)
tree674116fee766a5f2d1408d4c0363e815c26f0b3a /drivers/media/platform/vivid
parent4b837c6d7ee771f68a30f362c9f68171a95be222 (diff)
media: vivid: take data_offset into account for video output
The video output sizeimage calculation did not take data_offset into account. This can cause problems with video loopback or exporting output buffers for use as dmabuf import buffers since the output buffer size is now too small. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/vivid')
-rw-r--r--drivers/media/platform/vivid/vivid-vid-out.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c
index ea250aee2b2e..55c0628ee9e1 100644
--- a/drivers/media/platform/vivid/vivid-vid-out.c
+++ b/drivers/media/platform/vivid/vivid-vid-out.c
@@ -28,11 +28,12 @@ static int vid_out_queue_setup(struct vb2_queue *vq,
const struct vivid_fmt *vfmt = dev->fmt_out;
unsigned planes = vfmt->buffers;
unsigned h = dev->fmt_out_rect.height;
- unsigned size = dev->bytesperline_out[0] * h;
+ unsigned int size = dev->bytesperline_out[0] * h + vfmt->data_offset[0];
unsigned p;
for (p = vfmt->buffers; p < vfmt->planes; p++)
- size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p];
+ size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p] +
+ vfmt->data_offset[p];
if (dev->field_out == V4L2_FIELD_ALTERNATE) {
/*
@@ -62,12 +63,14 @@ static int vid_out_queue_setup(struct vb2_queue *vq,
if (sizes[0] < size)
return -EINVAL;
for (p = 1; p < planes; p++) {
- if (sizes[p] < dev->bytesperline_out[p] * h)
+ if (sizes[p] < dev->bytesperline_out[p] * h +
+ vfmt->data_offset[p])
return -EINVAL;
}
} else {
for (p = 0; p < planes; p++)
- sizes[p] = p ? dev->bytesperline_out[p] * h : size;
+ sizes[p] = p ? dev->bytesperline_out[p] * h +
+ vfmt->data_offset[p] : size;
}
if (vq->num_buffers + *nbuffers < 2)
@@ -321,7 +324,8 @@ int vivid_g_fmt_vid_out(struct file *file, void *priv,
for (p = 0; p < mp->num_planes; p++) {
mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
mp->plane_fmt[p].sizeimage =
- mp->plane_fmt[p].bytesperline * mp->height;
+ mp->plane_fmt[p].bytesperline * mp->height +
+ fmt->data_offset[p];
}
for (p = fmt->buffers; p < fmt->planes; p++) {
unsigned stride = dev->bytesperline_out[p];
@@ -399,7 +403,7 @@ int vivid_try_fmt_vid_out(struct file *file, void *priv,
pfmt[p].bytesperline = bytesperline;
pfmt[p].sizeimage = (pfmt[p].bytesperline * mp->height) /
- fmt->vdownsampling[p];
+ fmt->vdownsampling[p] + fmt->data_offset[p];
memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
}