linux-kernel - Re: [PATCH 3/3] media: mediatek: vcodec: Replace false function description

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Date: Mon, 11 Mar 2024 11:35:17 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Sebastian Fricke <sebastian.fricke@...labora.com>,
 Tiffany Lin <tiffany.lin@...iatek.com>,
 Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
 Yunfei Dong <yunfei.dong@...iatek.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Matthias Brugger <matthias.bgg@...il.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 kernel@...labora.com
Subject: Re: [PATCH 3/3] media: mediatek: vcodec: Replace false function
 description

Il 09/03/24 16:08, Sebastian Fricke ha scritto:
> The function descriptions where falsely copy pasted from another entry,
> write more fitting descriptions for the functions.
> 
> Signed-off-by: Sebastian Fricke <sebastian.fricke@...labora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>


> ---
>   .../platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_common.h    | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_common.h b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_common.h
> index 6f624c266246..2d845b1307b6 100644
> --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_common.h
> +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_common.h
> @@ -185,7 +185,7 @@ void mtk_vdec_h264_get_ref_list(u8 *ref_list,
>   void *mtk_vdec_h264_get_ctrl_ptr(struct mtk_vcodec_dec_ctx *ctx, int id);
>   
>   /**
> - * mtk_vdec_h264_fill_dpb_info - get each CID contrl address.
> + * mtk_vdec_h264_fill_dpb_info - Fill the decoded picture buffer info
>    *
>    * @ctx:		v4l2 ctx
>    * @decode_params:	slice decode params
> @@ -225,7 +225,9 @@ void mtk_vdec_h264_copy_slice_hd_params(struct mtk_h264_slice_hd_param *dst_para
>   					const struct v4l2_ctrl_h264_decode_params *dec_param);
>   
>   /**
> - * mtk_vdec_h264_copy_scaling_matrix - get each CID contrl address.
> + * mtk_vdec_h264_copy_scaling_matrix - Copy the scaling matrix from a source to
> + *				       a destination.
> + *				       (for example into the slice parameters)

That should be a short description; the "for example into the slice parameters"
along with a longer description go in the long description part of the doc.

/*
  * mtk_vdec_h264_copy_scaling_matrix - Copy scaling matrix from HW to driver
  * @dst_matrix: .....
  * @src_matrix: ....
  *
  * This function copies the scaling matrix from the hardware decoder (format?
  * structs? registers? what?) to the driver's scaling matrix structure, because
  * this that and the other tell me why we would ever need to do this, as this
  * is a long description of what this function does.
  * If a long description is not needed, just avoid it, of course.
  *
  * Return: some value for something, some other for something else
  *
  * This return value, as described, is so useful! :-)
  */

Cheers,
Angelo