Re: [PATCH v3 08/11] media: verisilicon: postproc: Fix down scale test

Benjamin Gaignard
2023-06-22T15:29:12Z

Le 22/06/2023 à 15:13, Benjamin Gaignard a écrit :
> Do not allow down scaling if the source buffer resolution is
> smaller than destination one.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
> ---
> drivers/media/platform/verisilicon/hantro_postproc.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c
> index a6b67d0cc66c..a4f2c5e8932c 100644
> --- a/drivers/media/platform/verisilicon/hantro_postproc.c
> +++ b/drivers/media/platform/verisilicon/hantro_postproc.c
> @@ -103,7 +103,10 @@ static void hantro_postproc_g1_enable(struct hantro_ctx *ctx)
>
> static int down_scale_factor(struct hantro_ctx *ctx)
> {
> - if (ctx->src_fmt.width == ctx->dst_fmt.width)
> + if (ctx->src_fmt.width <= ctx->dst_fmt.width)
> + return 0;
> +
> + if (ctx->src_fmt.height <= ctx->dst_fmt.height)

One test will be enough.
I will fix that in v4.

Benjamin

> return 0;
>
> return DIV_ROUND_CLOSEST(ctx->src_fmt.width, ctx->dst_fmt.width);