If the driver is in multiplanar mode, fill the vb2 structures with the planes sizes and verify it the sizes allocated to the planes are enough. Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxxxxx> --- drivers/media/platform/vimc/vimc-capture.c | 42 ++++++++++++++++++---- 1 file changed, 36 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c index 24052f15c4cf..83196b8c31b5 100644 --- a/drivers/media/platform/vimc/vimc-capture.c +++ b/drivers/media/platform/vimc/vimc-capture.c @@ -486,12 +486,28 @@ static int vimc_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, struct device *alloc_devs[]) { struct vimc_cap_device *vcap = vb2_get_drv_priv(vq); + const struct v4l2_plane_pix_format *plane_fmt = + vcap->format.fmt.pix_mp.plane_fmt; + unsigned int i; + + if (multiplanar) { + for (i = 0; i < *nplanes; i++) + if (sizes[i] < plane_fmt[i].sizeimage) + return -EINVAL; + } else if (*nplanes && sizes[0] < vcap->format.fmt.pix.sizeimage) + return -EINVAL; if (*nplanes) - return sizes[0] < vcap->format.fmt.pix.sizeimage ? -EINVAL : 0; - /* We don't support multiplanes for now */ - *nplanes = 1; - sizes[0] = vcap->format.fmt.pix.sizeimage; + return 0; + + if (multiplanar) { + *nplanes = vcap->format.fmt.pix_mp.num_planes; + for (i = 0; i < *nplanes; i++) + sizes[i] = plane_fmt[i].sizeimage; + } else { + *nplanes = 1; + sizes[0] = vcap->format.fmt.pix.sizeimage; + } return 0; } @@ -499,9 +515,23 @@ static int vimc_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, static int vimc_cap_buffer_prepare(struct vb2_buffer *vb) { struct vimc_cap_device *vcap = vb2_get_drv_priv(vb->vb2_queue); - unsigned long size = vcap->format.fmt.pix.sizeimage; + unsigned long size; + unsigned int i; - if (vb2_plane_size(vb, 0) < size) { + if (multiplanar) { + for (i = 0; i < vb->num_planes; i++) { + size = vcap->format.fmt.pix_mp.plane_fmt[i].sizeimage; + if (vb2_plane_size(vb, i) < size) { + dev_err(vcap->dev, + "%s: buffer too small (%lu < %lu)\n", + vcap->vdev.name, vb2_plane_size(vb, i), + size); + + return -EINVAL; + } + } + } else if (vb2_plane_size(vb, 0) < vcap->format.fmt.pix.sizeimage) { + size = vcap->format.fmt.pix.sizeimage; dev_err(vcap->dev, "%s: buffer too small (%lu < %lu)\n", vcap->vdev.name, vb2_plane_size(vb, 0), size); return -EINVAL; -- 2.21.0