linux-kernel - Re: [PATCH 3/7] media: hantro: HEVC: Fix chroma offset computation

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Date:   Thu, 30 Jun 2022 14:34:13 -0300
From:   Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>
Cc:     mchehab@...nel.org, hverkuil@...all.nl, p.zabel@...gutronix.de,
        gregkh@...uxfoundation.org, mripard@...nel.org,
        paul.kocialkowski@...tlin.com, wens@...e.org,
        jernej.skrabec@...il.com, samuel@...lland.org,
        nicolas.dufresne@...labora.com, andrzej.p@...labora.com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        kernel@...labora.com
Subject: Re: [PATCH 3/7] media: hantro: HEVC: Fix chroma offset computation

Hi Benjamin,

On Fri, Jun 17, 2022 at 01:57:58PM +0200, Benjamin Gaignard wrote:
> The chroma offset depends of the bitstream depth.
> Make sure that ctx->bit_depth is used to compute it.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>

Reviewed-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>

Thanks,
Ezequiel

> ---
>  drivers/staging/media/hantro/hantro_g2_hevc_dec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c
> index 9eac133bda68..8407ad45b7b7 100644
> --- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c
> +++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c
> @@ -12,7 +12,7 @@
>  
>  static size_t hantro_hevc_chroma_offset(struct hantro_ctx *ctx)
>  {
> -	return ctx->dst_fmt.width * ctx->dst_fmt.height;
> +	return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8;
>  }
>  
>  static size_t hantro_hevc_motion_vectors_offset(struct hantro_ctx *ctx)
> -- 
> 2.32.0
>