Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v3, 00/15] Using component framework to support multi
 hardware decode
To:     yunfei dong <yunfei.dong@mediatek.com>
Cc:     Hsin-Yi Wang <hsinyi@chromium.org>,
        Fritz Koenig <frkoenig@chromium.org>,
        Irui Wang <irui.wang@mediatek.com>,
        linux-media@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        srv_heupstream@mediatek.com, linux-mediatek@lists.infradead.org,
        Project_Global_Chrome_Upstream_Group@mediatek.com,
        Alexandre Courbot <acourbot@chromium.org>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Tzung-Bi Shih <tzungbi@chromium.org>,
        Tiffany Lin <tiffany.lin@mediatek.com>,
        Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Tomasz Figa <tfiga@google.com>
References: <20210727101051.24418-1-yunfei.dong@mediatek.com>
 <2b562943-534a-b53d-696d-9f2a4836f76e@collabora.com>
 <1627546086.17009.7.camel@mhfsdcap03>
From:   Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Message-ID: <e053d727-b04d-686e-b1e0-528e039f3c26@collabora.com>
Date:   Fri, 30 Jul 2021 12:02:23 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.11.0
MIME-Version: 1.0
In-Reply-To: <1627546086.17009.7.camel@mhfsdcap03>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk


On 29.07.21 10:08, yunfei dong wrote:
> On Tue, 2021-07-27 at 12:55 +0200, Dafna Hirschfeld wrote:
>> Thank you for the patchset.
>>
>> Could you provide information on how you
>> tested the code.
>> Did you test it on chromeos userspace?
>> Did you use the test-tast framework?
>> What tests did you run?
>>
>> Dafna
>>
> Hi Dafna,
> 
> I just merge the code to kernel 4.19 and build pass.

Since those patches are sent to upstream , you should probably also make
sure that they are built on the media_tree repo.

> When the system boot up, I will play some vdec h264/vp8/vp9 bitstreams.
> The code should be ok when all bitstreams can play well.
> 
> For MT8173 is statefull decode, I won't change the arch and component is
> used for stateless decode(mt8192), mt8183 not use component arch also.
> Only if decode driver can play well, the change should be ok for mt8173.
> 
> I needn't to do tast test for mt8173 for the arch not be changed.

But the frist patches in that series are general bug fixes that influance all arch

Thanks,
Dafna

> 
> Thanks,
> Yunfei Dong
>>
>> On 27.07.21 12:10, Yunfei Dong wrote:
>>> This series adds support for multi hardware decode into mtk-vcodec, by first
>>> adding component framework to manage each hardware information: interrupt,
>>> clock, register bases and power. Secondly add core thread to deal with core
>>> hardware message, at the same time, add msg queue for different hardware
>>> share messages. Lastly, the architecture of different specs are not the same,
>>> using specs type to separate them.
>>>
>>> This series has been tested with both MT8183 and MT8173. Decoding was working
>>> for both chips.
>>>
>>> Patches 1,2 rewrite get register bases and power on/off interface.
>>>
>>> Patch 3-5 add component framework to support multi hardware.
>>>
>>> Patches 6-14 add interfaces to support core hardware.
>>> ----
>>> This patch dependents on "media: mtk-vcodec: support for MT8183 decoder"[1].
>>>
>>> Multi hardware decode is based on stateless decoder, MT8183 is the first time
>>> to add stateless decoder. Otherwise it will cause conflict. Please also accept
>>> this patch together with [1].
>>>
>>> [1]https://lore.kernel.org/patchwork/project/lkml/list/?series=507084
>>> ----
>>> Changes compared with v2:
>>> - Fix return value for patch 1/15
>>> - Add this new patch to align vdec and venc wake up ctx interface for patch 2/15
>>> - Fix comments for patch 4/15
>>> - Change txt files to yaml for patch 5/15
>>> - Generalize wake up ctx interface for stateless and stateful decode for patch 7/15
>>> - Add document for structs and functions for patch 8/15
>>> - Add condition to check the return value of kthread_run for patch 11/15
>>> - Fix yaml check fail for patch 13/15
>>>
>>> Changes compared with v1:
>>> - Fix many comments for patch 3/14
>>> - Remove unnecessary code for patch 4/14
>>> - Using enum mtk_vdec_hw_count instead of magic numbers for patch 6/14
>>> - Reconstructed get/put lat buffer for lat and core hardware for patch 7/14
>>> - Using yaml format to instead of txt file for patch 12/14
>>>
>>> Yunfei Dong (15):
>>>     media: mtk-vcodec: Get numbers of register bases from DT
>>>     media: mtk-vcodec: Align vcodec wake up interrupt interface
>>>     media: mtk-vcodec: Refactor vcodec pm interface
>>>     media: mtk-vcodec: Use component framework to manage each hardware
>>>       information
>>>     dt-bindings: media: mtk-vcodec: Separate video encoder and decoder
>>>       dt-bindings
>>>     media: mtk-vcodec: Use pure single core for MT8183
>>>     media: mtk-vcodec: Add irq interface for multi hardware
>>>     media: mtk-vcodec: Add msg queue feature for lat and core architecture
>>>     media: mtk-vcodec: Generalize power and clock on/off interfaces
>>>     media: mtk-vcodec: Add new interface to lock different hardware
>>>     media: mtk-vcodec: Add core thread
>>>     media: mtk-vcodec: Support 34bits dma address for vdec
>>>     dt-bindings: media: mtk-vcodec: Adds decoder dt-bindings for mt8192
>>>     media: mtk-vcodec: Add core dec and dec end ipi msg
>>>     media: mtk-vcodec: Use codec type to separate different hardware
>>>
>>>    .../media/mediatek,vcodec-comp-decoder.yaml   | 154 +++++++++
>>>    .../media/mediatek,vcodec-decoder.yaml        | 138 ++++++++
>>>    .../media/mediatek,vcodec-encoder.yaml        | 128 ++++++++
>>>    .../bindings/media/mediatek-vcodec.txt        | 130 --------
>>>    drivers/media/platform/mtk-vcodec/Makefile    |   2 +
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec.c      |   4 +-
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec.h      |   1 +
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  | 296 +++++++++++++++---
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec_hw.c   | 184 +++++++++++
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec_hw.h   |  48 +++
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   |  98 ++++--
>>>    .../platform/mtk-vcodec/mtk_vcodec_dec_pm.h   |  13 +-
>>>    .../mtk-vcodec/mtk_vcodec_dec_stateful.c      |   1 +
>>>    .../mtk-vcodec/mtk_vcodec_dec_stateless.c     |   1 +
>>>    .../platform/mtk-vcodec/mtk_vcodec_drv.h      |  76 ++++-
>>>    .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c  |  12 +-
>>>    .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c   |   1 -
>>>    .../platform/mtk-vcodec/mtk_vcodec_intr.c     |  27 +-
>>>    .../platform/mtk-vcodec/mtk_vcodec_intr.h     |   4 +-
>>>    .../platform/mtk-vcodec/mtk_vcodec_util.c     |  87 ++++-
>>>    .../platform/mtk-vcodec/mtk_vcodec_util.h     |   8 +-
>>>    .../platform/mtk-vcodec/vdec/vdec_h264_if.c   |   2 +-
>>>    .../mtk-vcodec/vdec/vdec_h264_req_if.c        |   2 +-
>>>    .../platform/mtk-vcodec/vdec/vdec_vp8_if.c    |   2 +-
>>>    .../platform/mtk-vcodec/vdec/vdec_vp9_if.c    |   2 +-
>>>    .../media/platform/mtk-vcodec/vdec_drv_if.c   |  21 +-
>>>    .../media/platform/mtk-vcodec/vdec_ipi_msg.h  |  16 +-
>>>    .../platform/mtk-vcodec/vdec_msg_queue.c      | 290 +++++++++++++++++
>>>    .../platform/mtk-vcodec/vdec_msg_queue.h      | 157 ++++++++++
>>>    .../media/platform/mtk-vcodec/vdec_vpu_if.c   |  46 ++-
>>>    .../media/platform/mtk-vcodec/vdec_vpu_if.h   |  22 ++
>>>    .../platform/mtk-vcodec/venc/venc_h264_if.c   |   2 +-
>>>    .../platform/mtk-vcodec/venc/venc_vp8_if.c    |   2 +-
>>>    33 files changed, 1697 insertions(+), 280 deletions(-)
>>>    create mode 100644 Documentation/devicetree/bindings/media/mediatek,vcodec-comp-decoder.yaml
>>>    create mode 100644 Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.yaml
>>>    create mode 100644 Documentation/devicetree/bindings/media/mediatek,vcodec-encoder.yaml
>>>    delete mode 100644 Documentation/devicetree/bindings/media/mediatek-vcodec.txt
>>>    create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.c
>>>    create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_hw.h
>>>    create mode 100644 drivers/media/platform/mtk-vcodec/vdec_msg_queue.c
>>>    create mode 100644 drivers/media/platform/mtk-vcodec/vdec_msg_queue.h
>>>
>