On Fri, 2020-06-26 at 17:04 +0900, Alexandre Courbot wrote:
> This reverts commit 81735ecb62f882853a37a8c157407ec4aed44fd0.
>
> The hardware needs data to follow the previous alignment, so this extra
> space was not superfluous after all. Besides, this also made
> v4l2-compliance's G_FMT and S_FMT tests regress.
>
Acked-by: Tiffany Lin <tiffany....@mediatek.com>
> Signed-off-by: Alexandre Courbot <acour...@chromium.org>
> ---
> drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> index 05743a745a11..f2ba19c32400 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> @@ -299,12 +299,14 @@ static int vidioc_try_fmt(struct v4l2_format *f,
>
> pix_fmt_mp->num_planes = fmt->num_planes;
> pix_fmt_mp->plane_fmt[0].sizeimage =
> - pix_fmt_mp->width * pix_fmt_mp->height;
> + pix_fmt_mp->width * pix_fmt_mp->height +
> + ((ALIGN(pix_fmt_mp->width, 16) * 2) * 16);
> pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
>
> if (pix_fmt_mp->num_planes == 2) {
> pix_fmt_mp->plane_fmt[1].sizeimage =
> - (pix_fmt_mp->width * pix_fmt_mp->height) / 2;
> + (pix_fmt_mp->width * pix_fmt_mp->height) / 2 +
> + (ALIGN(pix_fmt_mp->width, 16) * 16);
> pix_fmt_mp->plane_fmt[2].sizeimage = 0;
> pix_fmt_mp->plane_fmt[1].bytesperline =
> pix_fmt_mp->width;
> @@ -312,7 +314,8 @@ static int vidioc_try_fmt(struct v4l2_format *f,
> } else if (pix_fmt_mp->num_planes == 3) {
> pix_fmt_mp->plane_fmt[1].sizeimage =
> pix_fmt_mp->plane_fmt[2].sizeimage =
> - (pix_fmt_mp->width * pix_fmt_mp->height) / 4;
> + (pix_fmt_mp->width * pix_fmt_mp->height) / 4 +
> + ((ALIGN(pix_fmt_mp->width, 16) / 2) * 16);
> pix_fmt_mp->plane_fmt[1].bytesperline =
> pix_fmt_mp->plane_fmt[2].bytesperline =
> pix_fmt_mp->width / 2;
