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Message-ID: <898fea1f06894e47c28620b6f6328427ce0a582b.camel@mediatek.com>
Date: Thu, 23 Mar 2023 06:16:18 +0000
From: Moudy Ho (何宗原) <Moudy.Ho@...iatek.com>
To: "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
"mchehab@...nel.org" <mchehab@...nel.org>,
Ping-Hsun Wu (吳秉勳)
<Ping-hsun.Wu@...iatek.com>,
"hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>
CC: "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
"linux-mediatek@...ts.infradead.org"
<linux-mediatek@...ts.infradead.org>,
Project_Global_Chrome_Upstream_Group
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v6 00/12] Add support for multiple chips
On Tue, 2023-03-21 at 14:29 +0100, Hans Verkuil wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>
>
> Hi Moudy,
>
> On 08/02/2023 10:08, Moudy Ho wrote:
> > Changes since v5:
> > - Rebase on linux-next.
> > - Integrate the chip configuration into a source file called
> > "mdp_cfg_data.c"
> > instead of a header file.
> > - Fix undefined reference to __udividi3 caused by patch [1/12].
> > - Fix parentheses issue reported by check script.
> > - Fix compilation and smatch errors
> >
> > Changes since v4:
> > - Rebase on linux-next.
> > - Fix potential frame size overflow in "mtk-mdp3-regs.c".
> > - Fix OOB in MDP3 component clocks in "mtk-mdp3-comp.*".
> > - Reconfigure the shared memory between MDP3 kerenl and SCP.
> >
> > Changes since v3:
> > - Rebase on linux-next.
> > - In the file "mtk-mdp3-m2m.c", use the limited resolution defined
> > by
> > each platform to replace the default format.
> > - Add platform ID in driver data, and refine shared memory
> > structure preprocessing.
> > - Simplify the way to get mutex ID in function
> > "mdp_path_subfrm_require".
> >
> > Changes since v2:
> > - Depend on :
> > [1]
> > https://urldefense.com/v3/__https://patchwork.kernel.org/project/linux-mediatek/list/?series=687004__;!!CTRNKA9wMg0ARbw!iAf3tcBZjw9AvEspq5iBDy6AFb5FJqABlIoz-UirBUdXA5xp6vK7hIERvETf2q1Xau_WCznVyqQQjBNhPGkfq2pNtBEmFQ$
> > - Split the shared memory header(mtk-img-ipi.h) by preprocessing
> > instead, and
> > classify the generic parts into "mtk-mdp3-type.h", and move
> > chip-specific parts to"mt8183/mdp3-comp-mt8183.h".
> >
> > Changes since v1:
> > - Depend on :
> > [1]
> > https://urldefense.com/v3/__https://patchwork.kernel.org/project/linux-mediatek/list/?series=687004__;!!CTRNKA9wMg0ARbw!iAf3tcBZjw9AvEspq5iBDy6AFb5FJqABlIoz-UirBUdXA5xp6vK7hIERvETf2q1Xau_WCznVyqQQjBNhPGkfq2pNtBEmFQ$
> > - For hardware-specific structures in the shared memory header(mtk-
> > img-ipi.h),
> > split the relevant functions and structure definitions.
> >
> > Hi,
> >
> > To support multiple chips, a chip configuration header file needs
> > to be created
> > and the relevant information split and moved into it.
>
> This series is close to be ready for merging.
>
> Two issues: please rebase again to the latest media_stage tree
>
https://urldefense.com/v3/__https://git.linuxtv.org/media_stage.git/__;!!CTRNKA9wMg0ARbw!iAf3tcBZjw9AvEspq5iBDy6AFb5FJqABlIoz-UirBUdXA5xp6vK7hIERvETf2q1Xau_WCznVyqQQjBNhPGkfq2r8-L9Eew$
>
> I had a number of conflicts, and I didn't feel comfortable to make
> the
> changes myself, it wasn't trivial.
>
> Secondly, I get a smatch error:
>
> drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c:452
> mdp_cfg_get_id_public() error: 'mdp_dev' dereferencing possible
> ERR_PTR()
>
> In any case, if you can rebase and fix that issue, then I'll make a
> PR.
>
> Thanks!
>
> Hans
>
Hi Hans,
Thanks for all those assistance, I'll rebase and fix this series as
soon as possible.
Sincerely,
Moudy Ho
> > The v4l2-compliance test results list is as follows:
> >
> > v4l2-compliance 1.23.0-4942, 32 bits, 32-bit time_t
> > v4l2-compliance SHA: 4cf258c24026 2022-07-28 15:43:45
> >
> > Compliance test for mtk-mdp3 device /dev/video0:
> >
> > Driver Info:
> > Driver name : mtk-mdp3
> > Card type : MediaTek MDP3
> > Bus info : platform:14001000.dma-controlle
> > Driver version : 6.2.0
> > Capabilities : 0x84204000
> > Video Memory-to-Memory Multiplanar
> > Streaming
> > Extended Pix Format
> > Device Capabilities
> > Device Caps : 0x04204000
> > Video Memory-to-Memory Multiplanar
> > Streaming
> > Extended Pix Format
> >
> > Required ioctls:
> > test VIDIOC_QUERYCAP: OK
> > test invalid ioctls: OK
> >
> > Allow for multiple opens:
> > test second /dev/video0 open: OK
> > test VIDIOC_QUERYCAP: OK
> > test VIDIOC_G/S_PRIORITY: OK
> > test for unlimited opens: OK
> >
> > Debug ioctls:
> > test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> > test VIDIOC_LOG_STATUS: OK (Not Supported)
> >
> > Input ioctls:
> > test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
> > test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
> > test VIDIOC_ENUMAUDIO: OK (Not Supported)
> > test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
> > test VIDIOC_G/S_AUDIO: OK (Not Supported)
> > Inputs: 0 Audio Inputs: 0 Tuners: 0
> >
> > Output ioctls:
> > test VIDIOC_G/S_MODULATOR: OK (Not Supported)
> > test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > test VIDIOC_ENUMAUDOUT: OK (Not Supported)
> > test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
> > test VIDIOC_G/S_AUDOUT: OK (Not Supported)
> > Outputs: 0 Audio Outputs: 0 Modulators: 0
> >
> > Input/Output configuration ioctls:
> > test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
> > test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
> > test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
> > test VIDIOC_G/S_EDID: OK (Not Supported)
> >
> > Control ioctls:
> > test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
> > test VIDIOC_QUERYCTRL: OK
> > test VIDIOC_G/S_CTRL: OK
> > test VIDIOC_G/S/TRY_EXT_CTRLS: OK
> > test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
> > test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
> > Standard Controls: 4 Private Controls: 0
> >
> > Format ioctls:
> > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> > test VIDIOC_G/S_PARM: OK (Not Supported)
> > test VIDIOC_G_FBUF: OK (Not Supported)
> > test VIDIOC_G_FMT: OK
> > test VIDIOC_TRY_FMT: OK
> > test VIDIOC_S_FMT: OK
> > test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
> > test Cropping: OK
> > test Composing: OK
> > test Scaling: OK
> >
> > Codec ioctls:
> > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> > test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> > test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
> >
> > Buffer ioctls:
> > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
> > test VIDIOC_EXPBUF: OK
> > test Requests: OK (Not Supported)
> > test TIME32/64: OK
> >
> > Test input 0:
> >
> > Streaming ioctls:
> > test read/write: OK (Not Supported)
> > test blocking wait: OK
> > (snip)
> > test MMAP (no poll): OK
> > (snip)
> > test MMAP (select): OK
> > (snip)
> > test MMAP (epoll): OK
> > test USERPTR (no poll): OK (Not Supported)
> > test USERPTR (select): OK (Not Supported)
> > test DMABUF: Cannot test, specify --expbuf-device
> >
> > Stream using all formats:
> > (snip)
> > Total for mtk-mdp3 device /dev/video0: 1174, Succeeded: 1174,
> > Failed: 0, Warnings: 0
> >
> > Moudy Ho (12):
> > media: platform: mtk-mdp3: fix potential frame size overflow in
> > mdp_try_fmt_mplane()
> > media: platform: mtk-mdp3: add files for chip configuration
> > media: platform: mtk-mdp3: chip config split about component
> > settings
> > media: platform: mtk-mdp3: chip config split about subcomponents
> > media: platform: mtk-mdp3: chip config split about color format
> > media: platform: mtk-mdp3: chip config split about resolution
> > limitations
> > media: platform: mtk-mdp3: chip config split about pipe info
> > media: platform: mtk-mdp3: extend mdp_color format for compressed
> > mode
> > media: platform: mtk-mdp3: dynamically allocate component clocks
> > media: platform: mtk-mdp3: Split general definitions used in MDP3
> > media: platform: mtk-mdp3: decompose hardware-related information
> > in
> > shared memory
> > media: platform: mtk-mdp3: reconfigure shared memory
> >
> > drivers/media/platform/mediatek/mdp3/Makefile | 2 +-
> > .../platform/mediatek/mdp3/mdp_cfg_data.c | 454
> > +++++++++++++++
> > .../platform/mediatek/mdp3/mdp_sm_mt8183.h | 144 +++++
> > .../platform/mediatek/mdp3/mtk-img-ipi.h | 189 +-----
> > .../platform/mediatek/mdp3/mtk-mdp3-cfg.h | 20 +
> > .../platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 148 +++--
> > .../platform/mediatek/mdp3/mtk-mdp3-comp.c | 538 +++++++++++---
> > ----
> > .../platform/mediatek/mdp3/mtk-mdp3-comp.h | 24 +-
> > .../platform/mediatek/mdp3/mtk-mdp3-core.c | 46 +-
> > .../platform/mediatek/mdp3/mtk-mdp3-core.h | 18 +-
> > .../platform/mediatek/mdp3/mtk-mdp3-m2m.c | 28 +-
> > .../platform/mediatek/mdp3/mtk-mdp3-m2m.h | 1 -
> > .../platform/mediatek/mdp3/mtk-mdp3-regs.c | 293 +---------
> > .../platform/mediatek/mdp3/mtk-mdp3-regs.h | 214 +++----
> > .../platform/mediatek/mdp3/mtk-mdp3-type.h | 53 ++
> > .../platform/mediatek/mdp3/mtk-mdp3-vpu.c | 193 +++----
> > .../platform/mediatek/mdp3/mtk-mdp3-vpu.h | 29 +-
> > 17 files changed, 1429 insertions(+), 965 deletions(-)
> > create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
> > create mode 100644
> > drivers/media/platform/mediatek/mdp3/mdp_sm_mt8183.h
> > create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > cfg.h
> > create mode 100644 drivers/media/platform/mediatek/mdp3/mtk-mdp3-
> > type.h
> >
>
>
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