linux-kernel - Re: [PATCH v5,0/8] media: mediatek: vcodec: Add debugfs file for decode and encode

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Message-ID: <849d601d-9504-7118-0c99-a9bc3bb040eb@xs4all.nl>
Date:   Tue, 30 May 2023 10:55:00 +0200
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Yunfei Dong (董云飞) 
        <Yunfei.Dong@...iatek.com>
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>,
        "wenst@...omium.org" <wenst@...omium.org>,
        "nhebert@...omium.org" <nhebert@...omium.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "nicolas.dufresne@...labora.com" <nicolas.dufresne@...labora.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "benjamin.gaignard@...labora.com" <benjamin.gaignard@...labora.com>,
        "hsinyi@...omium.org" <hsinyi@...omium.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "nfraprado@...labora.com" <nfraprado@...labora.com>
Subject: Re: [PATCH v5,0/8] media: mediatek: vcodec: Add debugfs file for
 decode and encode

On 5/30/23 10:27, Yunfei Dong (董云飞) wrote:
> Hi Hans,
> 
> Sorry to disturb you.
> 
> Could you please help to review and apply this patch series if it is ok
> for you? Or whose review is expected before you can apply?

AngeloGioacchino Del Regno reviewed this series before, so I'd like to
have his OK for this series.

Regards,

	Hans

> 
> Best Regards,
> Yunfei Dong
> 
> On Thu, 2023-05-25 at 10:12 +0800, Yunfei Dong wrote:
>> Need to change kernel driver to open decode and encode debug log at
>> current period,
>> it's very unreasonable. Adding debugfs common interface to support
>> decode and encode,
>> using echo command to control debug log level and getting useful
>> information for each
>> instance.
>>
>> patch 1 add dbgfs common interface.
>> patch 2~5 support decode.
>> patch 6~7 support encode
>> patch 8 add help function
>> ---
>> changed with v4:
>> - rebase to the top of media stage header.
>>
>> changed with v3:
>> - add help function for patch 8
>> - remove append '\0' and enlarge buffer size for patch 4
>>
>> changed with v2:
>> - using pr_debug and dev_dbg instead of pr_info for patch 2.
>> - fix word fail: informatiaoin -> information for patch 3.
>> - used to print each instance format information for patch 5.
>>
>> changed with v1:
>> - add new patch 4 and 5.
>> - using cmd 'cat vdec' to show debug information instead of pr_info
>> directly.
>> ---
>> Yunfei Dong (8):
>>   media: mediatek: vcodec: Add debugfs interface to get debug
>>     information
>>   media: mediatek: vcodec: Add debug params to control different log
>>     level
>>   media: mediatek: vcodec: Add a debugfs file to get different useful
>>     information
>>   media: mediatek: vcodec: Get each context resolution information
>>   media: mediatek: vcodec: Get each instance format type
>>   media: mediatek: vcodec: Change dbgfs interface to support encode
>>   media: mediatek: vcodec: Add encode to support dbgfs
>>   media: mediatek: vcodec: Add dbgfs help function
>>
>>  .../media/platform/mediatek/vcodec/Makefile   |   6 +
>>  .../mediatek/vcodec/mtk_vcodec_dbgfs.c        | 216
>> ++++++++++++++++++
>>  .../mediatek/vcodec/mtk_vcodec_dbgfs.h        |  72 ++++++
>>  .../mediatek/vcodec/mtk_vcodec_dec_drv.c      |   4 +
>>  .../platform/mediatek/vcodec/mtk_vcodec_drv.h |   4 +
>>  .../mediatek/vcodec/mtk_vcodec_enc_drv.c      |   2 +
>>  .../mediatek/vcodec/mtk_vcodec_util.c         |   8 +
>>  .../mediatek/vcodec/mtk_vcodec_util.h         |  26 ++-
>>  8 files changed, 335 insertions(+), 3 deletions(-)
>>  create mode 100644
>> drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
>>  create mode 100644
>> drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
>>