linux-kernel - Re: [PATCH 4/8] mediatek: vcodec: remove the dependency of debug log

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Date:   Thu, 1 Jun 2023 09:52:02 +0000
From:   Yunfei Dong (董云飞) 
        <Yunfei.Dong@...iatek.com>
To:     "nhebert@...omium.org" <nhebert@...omium.org>,
        "wenst@...omium.org" <wenst@...omium.org>,
        "nfraprado@...labora.com" <nfraprado@...labora.com>,
        "benjamin.gaignard@...labora.com" <benjamin.gaignard@...labora.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "nicolas.dufresne@...labora.com" <nicolas.dufresne@...labora.com>,
        "hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "frkoenig@...omium.org" <frkoenig@...omium.org>,
        "stevecho@...omium.org" <stevecho@...omium.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "hsinyi@...omium.org" <hsinyi@...omium.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 4/8] mediatek: vcodec: remove the dependency of debug log

Hi AngeloGioacchino,

Thanks for your suggestion.
On Thu, 2023-06-01 at 11:29 +0200, AngeloGioacchino Del Regno wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  Il 01/06/23 05:02, Yunfei Dong ha scritto:
> > 'mtk_vcodec_debug' and 'mtk_vcodec_err' depends on 'mtk_vcodec_ctx'
> > to get the index of each instance, using the index directly instead
> > of with 'mtk_vcodec_ctx'.
> > 
> > Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> > ---
> >   .../mediatek/vcodec/mtk_vcodec_util.h         |  36 +++--
> >   .../vcodec/vdec/vdec_av1_req_lat_if.c         |  78 +++++------
> >   .../mediatek/vcodec/vdec/vdec_h264_if.c       |  46 +++----
> >   .../mediatek/vcodec/vdec/vdec_h264_req_if.c   |  32 ++---
> >   .../vcodec/vdec/vdec_h264_req_multi_if.c      |  62 ++++-----
> >   .../vcodec/vdec/vdec_hevc_req_multi_if.c      |  54 ++++----
> >   .../mediatek/vcodec/vdec/vdec_vp8_if.c        |  38 +++---
> >   .../mediatek/vcodec/vdec/vdec_vp8_req_if.c    |  36 ++---
> >   .../mediatek/vcodec/vdec/vdec_vp9_if.c        | 128 +++++++++--
> -------
> >   .../vcodec/vdec/vdec_vp9_req_lat_if.c         |  67 ++++-----
> >   .../platform/mediatek/vcodec/vdec_vpu_if.c    |  48 +++----
> >   .../mediatek/vcodec/venc/venc_h264_if.c       |  74 +++++-----
> >   .../mediatek/vcodec/venc/venc_vp8_if.c        |  44 +++---
> >   .../platform/mediatek/vcodec/venc_vpu_if.c    |  54 ++++----
> >   14 files changed, 399 insertions(+), 398 deletions(-)
> > 
> > diff --git
> a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_util.h
> b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_util.h
> > index ecb0bdf3a4f4..f018af38b39d 100644
> > --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_util.h
> > +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_util.h
> > @@ -31,42 +31,38 @@ struct mtk_vcodec_dev;
> >   #define mtk_v4l2_err(fmt, args...)                \
> >   pr_err("[MTK_V4L2][ERROR] " fmt "\n", ##args)
> >   
> > -#define mtk_vcodec_err(h, fmt, args...)\
> > -pr_err("[MTK_VCODEC][ERROR][%d]: " fmt "\n",\
> > -       ((struct mtk_vcodec_ctx *)(h)->ctx)->id, ##args)
> > +#define mtk_vcodec_err(inst_id, fmt,
> args...)                          \
> > +pr_err("[MTK_VCODEC][ERROR][%d]: " fmt "\n", inst_id, ##args)
> >   
> 
> This *huge* cleanup (congrats btw!) would be a great occasion to
> change those
> pr_err() to dev_err(). Can we do that?
> 

Can change pr_err to dev_err, but need to add one extra parameter "dev"
in mtk_vcodec_err. Whether need to change mtk_vcodec_debug?

> Regards,
> Angelo
> 
Best Regards,
Yunfei Dong