On 06/28/2016 03:20 PM, Laurent Pinchart wrote:
> The S_FMT and TRY_FMT handlers in multiplane mode attempt at clearing
> the reserved fields of the v4l2_format structure after the pix_mp
> member. However, the reserved fields are inside pix_mp, not after it.
>
> Signed-off-by: Laurent Pinchart <[email protected]>
> ---
> drivers/media/v4l2-core/v4l2-ioctl.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> Kieran, this should fix the v4l2-compliance failures you saw when not clearing
> pix_mp.reserved manually in the FDP1 driver. Could you please test it ?
>
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
> b/drivers/media/v4l2-core/v4l2-ioctl.c
> index 19d3aee3b374..86332072a575 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1508,7 +1508,7 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
> case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
> if (unlikely(!is_rx || !is_vid ||
> !ops->vidioc_s_fmt_vid_cap_mplane))
> break;
> - CLEAR_AFTER_FIELD(p, fmt.pix_mp);
> + CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
The same is needed in v4l_try_fmt.
Regards,
Hans
> return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg);
> case V4L2_BUF_TYPE_VIDEO_OVERLAY:
> if (unlikely(!is_rx || !is_vid ||
> !ops->vidioc_s_fmt_vid_overlay))
> @@ -1536,7 +1536,7 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
> case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
> if (unlikely(!is_tx || !is_vid ||
> !ops->vidioc_s_fmt_vid_out_mplane))
> break;
> - CLEAR_AFTER_FIELD(p, fmt.pix_mp);
> + CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
> return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg);
> case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
> if (unlikely(!is_tx || !is_vid ||
> !ops->vidioc_s_fmt_vid_out_overlay))
> @@ -1598,7 +1598,7 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
> case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
> if (unlikely(!is_rx || !is_vid ||
> !ops->vidioc_try_fmt_vid_cap_mplane))
> break;
> - CLEAR_AFTER_FIELD(p, fmt.pix_mp);
> + CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
> return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg);
> case V4L2_BUF_TYPE_VIDEO_OVERLAY:
> if (unlikely(!is_rx || !is_vid ||
> !ops->vidioc_try_fmt_vid_overlay))
> @@ -1626,7 +1626,7 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
> case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
> if (unlikely(!is_tx || !is_vid ||
> !ops->vidioc_try_fmt_vid_out_mplane))
> break;
> - CLEAR_AFTER_FIELD(p, fmt.pix_mp);
> + CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
> return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg);
> case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
> if (unlikely(!is_tx || !is_vid ||
> !ops->vidioc_try_fmt_vid_out_overlay))
>
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