linux-kernel - Re: [PATCH 1/7] media: hantro: Store HEVC bit depth in context

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Message-ID: <Yr3dpT/hQHM56c8o@eze-laptop>
Date:   Thu, 30 Jun 2022 14:30:13 -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 1/7] media: hantro: Store HEVC bit depth in context

Hi Benjamin,

Thanks for the patch.

On Fri, Jun 17, 2022 at 01:57:56PM +0200, Benjamin Gaignard wrote:
> Store HEVC bit depth in context.
> Bit depth is equal to hevc sps bit_depth_luma_minus8 + 8.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
> ---
>  drivers/staging/media/hantro/hantro_hevc.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/staging/media/hantro/hantro_hevc.c b/drivers/staging/media/hantro/hantro_hevc.c
> index 5984c5fa6f83..dcb5c8703b6e 100644
> --- a/drivers/staging/media/hantro/hantro_hevc.c
> +++ b/drivers/staging/media/hantro/hantro_hevc.c
> @@ -163,6 +163,8 @@ int hantro_hevc_validate_sps(struct hantro_ctx *ctx, const struct v4l2_ctrl_hevc
>  		/* Only 8-bit is supported */
>  		return -EINVAL;
>  
> +	ctx->bit_depth = sps->bit_depth_luma_minus8 + 8;
> +

This should set in hantro_hevc_s_ctrl.

Thanks!
Ezequiel

>  	/*
>  	 * for tile pixel format check if the width and height match
>  	 * hardware constraints
> -- 
> 2.32.0
>