Le mardi 09 avril 2024 à 14:44 +0800, Yunfei Dong a écrit :
> The sizeimage of each plane is calculated the same way for 8bit and
> 10bit bitstream. Using v4l2 common interface v4l2_fill_pixfmt_mp to
> separate.
>
> Fixes: 9d86be9bda6c ("media: mediatek: vcodec: Add driver to support 10bit")
> Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> ---
> .../mediatek/vcodec/decoder/mtk_vcodec_dec.c | 28 ++++++-------------
> 1 file changed, 8 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
> index 9107707de6c4..fbfba69682ea 100644
> --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
> +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
> @@ -262,40 +262,28 @@ static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
> int tmp_w, tmp_h;
>
> /*
> - * Find next closer width align 64, height align 64, size align
> - * 64 rectangle
> + * Find next closer width align 64, heign align 64, size align 64 rectangle
> * Note: This only get default value, the real HW needed value
> * only available when ctx in MTK_STATE_HEADER state
> */
> tmp_w = pix_fmt_mp->width;
> tmp_h = pix_fmt_mp->height;
> +
> v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
> &pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
> 9);
>
> - if (pix_fmt_mp->width < tmp_w &&
> - (pix_fmt_mp->width + 64) <= frmsize->max_width)
> + if (pix_fmt_mp->width < tmp_w && (pix_fmt_mp->width + 64) <= frmsize->max_width)
> pix_fmt_mp->width += 64;
> - if (pix_fmt_mp->height < tmp_h &&
> - (pix_fmt_mp->height + 64) <= frmsize->max_height)
> + if (pix_fmt_mp->height < tmp_h && (pix_fmt_mp->height + 64) <= frmsize->max_height)
> pix_fmt_mp->height += 64;
This seems overlay complicated, make sure your frmsize is valid (with
step_width/height set to 64 from your Mali requirement) and then simply call:
v4l2_apply_frmsize_constraints(...)
All this hand written clamping code with hardcoded values should go away.
>
> + v4l2_fill_pixfmt_mp(pix_fmt_mp, fmt->fourcc, pix_fmt_mp->width, pix_fmt_mp->height);
> mtk_v4l2_vdec_dbg(0, ctx,
> - "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
> + "before resize:%dx%d, after resize:%dx%d, sizeimage=0x%x_0x%x",
> tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
> - pix_fmt_mp->width * pix_fmt_mp->height);
> -
> - 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->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->plane_fmt[1].bytesperline =
> - pix_fmt_mp->width;
> - }
> + pix_fmt_mp->plane_fmt[0].sizeimage,
> + pix_fmt_mp->plane_fmt[1].sizeimage);
> }
>
> pix_fmt_mp->flags = 0;
