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Message-ID: <AM6PR04MB634185D33AFBD83651BB47D6E73B9@AM6PR04MB6341.eurprd04.prod.outlook.com>
Date: Tue, 22 Feb 2022 08:16:50 +0000
From: Ming Qian <ming.qian@....com>
To: Hans Verkuil <hverkuil-cisco@...all.nl>,
"mchehab@...nel.org" <mchehab@...nel.org>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
CC: "kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
dl-linux-imx <linux-imx@....com>,
Aisheng Dong <aisheng.dong@....com>,
"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [EXT] Re: [PATCH v16 00/13] amphion video decoder/encoder driver
> -----Original Message-----
> From: Hans Verkuil [mailto:hverkuil-cisco@...all.nl]
> Sent: Tuesday, February 22, 2022 4:09 PM
> To: Ming Qian <ming.qian@....com>; mchehab@...nel.org;
> shawnguo@...nel.org; robh+dt@...nel.org; s.hauer@...gutronix.de
> Cc: kernel@...gutronix.de; festevam@...il.com; dl-linux-imx
> <linux-imx@....com>; Aisheng Dong <aisheng.dong@....com>;
> linux-media@...r.kernel.org; linux-kernel@...r.kernel.org;
> devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org
> Subject: [EXT] Re: [PATCH v16 00/13] amphion video decoder/encoder driver
>
> Caution: EXT Email
>
> Hi Ming Qian,
>
> I had hoped to merge this series, but I got a whole bunch of sparse/smatch
> warnings that need to be fixed first:
Got it, I'll fix it soon
>
> sparse: ERRORS
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_drv.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_drv.
> c:204:22: warning: symbol 'imx8qxp_res' was not declared. Should it be
> static?
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_drv.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_drv.
> c:213:22: warning: symbol 'imx8qm_res' was not declared. Should it be static?
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_core.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cor
> e.c:64:27: warning: incorrect type in argument 1 (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_core.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cor
> e.c:555:23: warning: incorrect type in assignment (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_core.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cor
> e.c:556:24: warning: incorrect type in assignment (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_core.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cor
> e.c:557:28: warning: incorrect type in argument 1 (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_core.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cor
> e.c:693:25: warning: incorrect type in argument 1 (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_core.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cor
> e.c:694:26: warning: incorrect type in argument 1 (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_v4l2.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_v4l2
> .c:401:17: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_v4l2.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_v4l2
> .c:556:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_v4l2.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_v4l2
> .c:640:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_cmds.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cm
> ds.c:285:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_cmds.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_cm
> ds.c:287:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_rpc.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_rpc.
> c:167:22: warning: symbol 'imx8q_rpc_ops' was not declared. Should it be
> static?
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:46:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:59:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:71:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:76:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:94:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:106:17: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:111:17: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:118:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:143:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:148:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:154:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:164:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_msgs.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_msg
> s.c:169:24: warning: symbol 'handlers' was not declared. Should it be static?
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> pu_malone.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_mal
> one.c:470:32: warning: incorrect type in assignment (different address spaces)
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> enc.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/venc.c:1
> 093:9: error: incompatible types in conditional expression (different base
> types):
> SPARSE:/home/hans/work/build/media-git/drivers/media/platform/amphion/v
> enc.c
> /home/hans/work/build/media-git/drivers/media/platform/amphion/venc.c:1
> 098:9: error: incompatible types in conditional expression (different base
> types):
>
>
> smatch: WARNINGS
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_v4l2
> .c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vpu_v4l2
> .c:599 vpu_v4l2_open() warn: passing zero to 'PTR_ERR'
> /home/hans/work/build/media-git/drivers/media/platform/amphion/venc.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/venc.c:4
> 22 venc_drain() warn: variable dereferenced before check 'inst' (see line 419)
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:1
> 95 vdec_handle_resolution_change() warn: variable dereferenced before check
> 'inst' (see line 192)
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:3
> 37 vdec_s_fmt_common() warn: variable dereferenced before check 'inst' (see
> line 334)
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:4
> 70 vdec_drain() warn: variable dereferenced before check 'inst' (see line 468)
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:7
> 35 vdec_check_source_change() warn: variable dereferenced before check
> 'inst' (see line 731)
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:1
> 239 vdec_process_output() warn: variable dereferenced before check 'inst' (see
> line 1228)
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:
> /home/hans/work/build/media-git/drivers/media/platform/amphion/vdec.c:1
> 287 vdec_process_capture() warn: variable dereferenced before check 'inst'
> (see line 1283)
>
> So a v17 is needed.
>
> Regards,
>
> Hans
>
> On 2/21/22 07:10, Ming Qian wrote:
> > Hi all,
> >
> > This patch series adds support for
> > the amphion video encoder and decoder
> > via the VPU block present in imx8q platforms.
> > Currently, support for IMX8QXP and IMX8QM is included.
> >
> > It features decoding for the following formats:
> > - H.264
> > - HEVC
> > - MPEG4
> > - MPEG2
> > - VC1
> > - VP8
> >
> > It features encoding for the following formats:
> > - H.264
> >
> > The driver creates a separate device node for the encoder and decoder.
> >
> > This driver is dependent on vpu firmwares.
> > The firmwares have been submitted to linux-firmware.
> > The commit is 6342082c115e76ab5efe3f93c4c1ac6d01a3c7d0:
> > linux-firmware: Amphion: Add VPU firmwares for NXP i.MX8Q SoCs (Wed
> > Jan 26 13:48:05 2022 +0800)
> >
> > You can get the firmware from <linux-firmware>/amphion/vpu
> >
> > encoder is tested with gstreamer
> > decoder is tested with gstreamer, but the following patches are required:
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitl
> >
> ab.freedesktop.org%2Fgstreamer%2Fgstreamer%2F-%2Fmerge_requests%2F1
> 379
> >
> &data=04%7C01%7Cming.qian%40nxp.com%7Cfc84f1986f2e46e92ac50
> 8d9f5da
> >
> a2b3%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C1%7C63781114165
> 2882528%7
> >
> CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBT
> iI6Ik1
> >
> haWwiLCJXVCI6Mn0%3D%7C3000&sdata=3j64JB6tiSa7K%2FhApS278av
> V3NzSqXz
> > yeNZcCA0iaN0%3D&reserved=0
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitl
> >
> ab.freedesktop.org%2Fgstreamer%2Fgstreamer%2F-%2Fmerge_requests%2F1
> 381
> >
> &data=04%7C01%7Cming.qian%40nxp.com%7Cfc84f1986f2e46e92ac50
> 8d9f5da
> >
> a2b3%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C1%7C63781114165
> 2882528%7
> >
> CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBT
> iI6Ik1
> >
> haWwiLCJXVCI6Mn0%3D%7C3000&sdata=4LLF2tnZ0RJ9jBy9T6NYECb9U
> %2B9NPjO
> > IpgBjA9M28Iw%3D&reserved=0
> >
> >
> > Tested-by: Nicolas Dufresne <nicolas.dufresne@...labora.com>
> >
> >
> > Changelog:
> >
> > v16
> > - fix some devicetree issues reported by shawnguo
> >
> > v15.1
> > - include linux/vmalloc.h to avoid build warning by kernel test robot
> > - add entry in MAINTAINERS alphabetically
> >
> > v15
> > - fix issues detected by "checkpatch.pl --strict"
> > - encoder add ctrl V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE
> >
> > v14
> > - fix some errors according to Hans's comments
> >
> > v13
> > - make a workaround that avoid firmware entering wfi wrongly
> >
> > v12
> > - support reset decoder when starting a new stream
> > - don't append an empty last buffer, set last_buffer_dequeued
> > - improve the resolution change flow
> > - return all buffers if start_streaming fail
> > - fill encoder capture buffer's filed to none
> > - fix a bug in calculating bytesperline
> >
> > v11
> > - fix dt_binding_check error after upgrade dtschema
> > - remove "default y"
> > - add media device
> >
> > v10
> > - refine vpu log, remove custom logging infrastructure
> > - support non contiguous planes format nv12m instead of nv12
> > - rename V4L2_PIX_FMT_NV12_8L128 to V4L2_PIX_FMT_NV12MT_8L128
> > - rename V4L2_PIX_FMT_NV12_10BE_8L128 to
> > V4L2_PIX_FMT_NV12MT_10BE_8L128
> > - merge two module into one
> > - fix kernel panic in rmmod
> >
> > v9
> > - drop V4L2_BUF_FLAG_CODECCONFIG
> > - drop V4L2_EVENT_CODEC_ERROR
> > - drop V4L2_EVENT_SKIP - use the v4l2_buffer.sequence counter
> > - fix some build warnings with W=1 reported by kernel test robot
> >
> > v8
> > - move driver from driver/media/platform/imx/vpu-8q to
> > driver/media/platform/amphion
> > - rename driver name to amphion
> > - remove imx_vpu.h
> > - move the definition of V4L2_EVENT_CODEC_ERROR to videodev2.h
> > - move the definition of V4L2_EVENT_SKIP to videodev2.h
> >
> > v7
> > - fix build warnings with W=1 reported by kernel test robot
> >
> > v6:
> > - rename V4L2_PIX_FMT_NT8 to V4L2_PIX_FMT_NV12_8L128
> > - rename V4L2_PIX_FMT_NT10 to V4L2_PIX_FMT_NV12_10BE_8L128
> >
> > v5:
> > - move some definition from imx_vph.h to videodev2.h
> > - remove some unnecessary content
> > - add some documentation descriptions
> > - pass the lateset v4l2-compliance test
> >
> > v4:
> > - redefine the memory-region in devicetree bindings documentation
> > - use v4l2's mechanism to implement synchronize queuing ioctl
> > - remove the unnecessary mutex ioctl_sync
> > - don't notify source change event if the parameters are same as
> > previously established
> > - add flag V4L2_FMT_FLAG_DYN_RESOLUTION to decoder's capture format
> >
> > v3:
> > - don't make vpu device node a simple-bus
> > - trigger probing vpu core in the driver
> > - remove unnecessary vpu core index property
> >
> > v2:
> > - fix dt bindings build error
> > - split driver patch into several parts to avoid exceeding bytes limit
> >
> > Compliance
> > ==========
> > # v4l2-compliance -d /dev/video0
> > v4l2-compliance 1.21.0-4859, 64 bits, 64-bit time_t v4l2-compliance
> > SHA: 493af03f3c57 2021-10-08 17:23:11
> >
> > Compliance test for amphion-vpu device /dev/video0:
> >
> > Driver Info:
> > Driver name : amphion-vpu
> > Card type : amphion vpu decoder
> > Bus info : platform: amphion-vpu
> > Driver version : 5.15.0
> > 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
> > Detected Stateful Decoder
> > Media Driver Info:
> > Driver name : amphion-vpu
> > Model : amphion-vpu
> > Serial :
> > Bus info : platform: amphion-vpu
> > Media version : 5.15.0
> > Hardware revision: 0x00000000 (0)
> > Driver version : 5.15.0
> > Interface Info:
> > ID : 0x0300000c
> > Type : V4L Video
> > Entity Info:
> > ID : 0x00000001 (1)
> > Name : amphion-vpu-decoder-source
> > Function : V4L2 I/O
> > Pad 0x01000002 : 0: Source
> > Link 0x02000008: to remote pad 0x1000004 of entity
> > 'amphion-vpu-decoder-proc' (Video Decoder): Data, Enabled, Immutable
> >
> > Required ioctls:
> > test MC information (see 'Media Driver Info' above): OK
> > 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: 3 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 (Not Supported)
> > test Composing: OK
> > test Scaling: OK (Not Supported)
> >
> > Codec ioctls:
> > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> > test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> > test VIDIOC_(TRY_)DECODER_CMD: OK
> >
> > Buffer ioctls:
> > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
> > test VIDIOC_EXPBUF: OK
> > test Requests: OK (Not Supported)
> >
> > Total for amphion-vpu device /dev/video0: 46, Succeeded: 46, Failed:
> > 0, Warnings: 0
> >
> > # v4l2-compliance -d /dev/video1
> > v4l2-compliance 1.21.0-4859, 64 bits, 64-bit time_t v4l2-compliance
> > SHA: 493af03f3c57 2021-10-08 17:23:11
> >
> > Compliance test for amphion-vpu device /dev/video1:
> >
> > Driver Info:
> > Driver name : amphion-vpu
> > Card type : amphion vpu encoder
> > Bus info : platform: amphion-vpu
> > Driver version : 5.15.0
> > 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
> > Detected Stateful Encoder
> > Media Driver Info:
> > Driver name : amphion-vpu
> > Model : amphion-vpu
> > Serial :
> > Bus info : platform: amphion-vpu
> > Media version : 5.15.0
> > Hardware revision: 0x00000000 (0)
> > Driver version : 5.15.0
> > Interface Info:
> > ID : 0x0300001a
> > Type : V4L Video
> > Entity Info:
> > ID : 0x0000000f (15)
> > Name : amphion-vpu-encoder-source
> > Function : V4L2 I/O
> > Pad 0x01000010 : 0: Source
> > Link 0x02000016: to remote pad 0x1000012 of entity
> > 'amphion-vpu-encoder-proc' (Video Encoder): Data, Enabled, Immutable
> >
> > Required ioctls:
> > test MC information (see 'Media Driver Info' above): OK
> > test VIDIOC_QUERYCAP: OK
> > test invalid ioctls: OK
> >
> > Allow for multiple opens:
> > test second /dev/video1 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: 20 Private Controls: 0
> >
> > Format ioctls:
> > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> > test VIDIOC_G/S_PARM: OK
> > 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 (Not Supported)
> > test Scaling: OK (Not Supported)
> >
> > Codec ioctls:
> > test VIDIOC_(TRY_)ENCODER_CMD: OK
> > 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)
> >
> > Total for amphion-vpu device /dev/video1: 46, Succeeded: 46, Failed:
> > 0, Warnings: 0
> >
> > # v4l2-compliance -d /dev/media0
> > v4l2-compliance 1.21.0-4859, 64 bits, 64-bit time_t v4l2-compliance
> > SHA: 493af03f3c57 2021-10-08 17:23:11
> >
> > Compliance test for amphion-vpu device /dev/media0:
> >
> > Media Driver Info:
> > Driver name : amphion-vpu
> > Model : amphion-vpu
> > Serial :
> > Bus info : platform: amphion-vpu
> > Media version : 5.15.0
> > Hardware revision: 0x00000000 (0)
> > Driver version : 5.15.0
> >
> > Required ioctls:
> > test MEDIA_IOC_DEVICE_INFO: OK
> > test invalid ioctls: OK
> >
> > Allow for multiple opens:
> > test second /dev/media0 open: OK
> > test MEDIA_IOC_DEVICE_INFO: OK
> > test for unlimited opens: OK
> >
> > Media Controller ioctls:
> > test MEDIA_IOC_G_TOPOLOGY: OK
> > Entities: 6 Interfaces: 2 Pads: 8 Links: 8
> > test MEDIA_IOC_ENUM_ENTITIES/LINKS: OK
> > test MEDIA_IOC_SETUP_LINK: OK
> >
> > Total for amphion-vpu device /dev/media0: 8, Succeeded: 8, Failed: 0,
> > Warnings: 0
> >
> > Ming Qian (13):
> > dt-bindings: media: amphion: add amphion video codec bindings
> > media: add nv12m_8l128 and nv12m_10be_8l128 video format.
> > media: amphion: add amphion vpu device driver
> > media: amphion: add vpu core driver
> > media: amphion: implement vpu core communication based on mailbox
> > media: amphion: add vpu v4l2 m2m support
> > media: amphion: add v4l2 m2m vpu encoder stateful driver
> > media: amphion: add v4l2 m2m vpu decoder stateful driver
> > media: amphion: implement windsor encoder rpc interface
> > media: amphion: implement malone decoder rpc interface
> > arm64: dts: freescale: imx8q: add imx vpu codec entries
> > firmware: imx: scu-pd: imx8q: add vpu mu resources
> > MAINTAINERS: add AMPHION VPU CODEC V4L2 driver entry
> >
> > .../bindings/media/amphion,vpu.yaml | 180 ++
> > .../media/v4l/pixfmt-yuv-planar.rst | 28 +-
> > MAINTAINERS | 9 +
> > .../arm64/boot/dts/freescale/imx8-ss-vpu.dtsi | 73 +
> > arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 25 +
> > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 24 +
> > arch/arm64/configs/defconfig | 1 +
> > drivers/firmware/imx/scu-pd.c | 4 +
> > drivers/media/platform/Kconfig | 19 +
> > drivers/media/platform/Makefile | 2 +
> > drivers/media/platform/amphion/Makefile | 20 +
> > drivers/media/platform/amphion/vdec.c | 1695
> +++++++++++++++++
> > drivers/media/platform/amphion/venc.c | 1365 +++++++++++++
> > drivers/media/platform/amphion/vpu.h | 356 ++++
> > drivers/media/platform/amphion/vpu_cmds.c | 436 +++++
> > drivers/media/platform/amphion/vpu_cmds.h | 25 +
> > drivers/media/platform/amphion/vpu_codec.h | 68 +
> > drivers/media/platform/amphion/vpu_color.c | 183 ++
> > drivers/media/platform/amphion/vpu_core.c | 871 +++++++++
> > drivers/media/platform/amphion/vpu_core.h | 15 +
> > drivers/media/platform/amphion/vpu_dbg.c | 495 +++++
> > drivers/media/platform/amphion/vpu_defs.h | 187 ++
> > drivers/media/platform/amphion/vpu_drv.c | 260 +++
> > drivers/media/platform/amphion/vpu_helpers.c | 413 ++++
> > drivers/media/platform/amphion/vpu_helpers.h | 74 +
> > drivers/media/platform/amphion/vpu_imx8q.c | 271 +++
> > drivers/media/platform/amphion/vpu_imx8q.h | 115 ++
> > drivers/media/platform/amphion/vpu_malone.c | 1625
> ++++++++++++++++
> > drivers/media/platform/amphion/vpu_malone.h | 44 +
> > drivers/media/platform/amphion/vpu_mbox.c | 118 ++
> > drivers/media/platform/amphion/vpu_mbox.h | 16 +
> > drivers/media/platform/amphion/vpu_msgs.c | 385 ++++
> > drivers/media/platform/amphion/vpu_msgs.h | 14 +
> > drivers/media/platform/amphion/vpu_rpc.c | 257 +++
> > drivers/media/platform/amphion/vpu_rpc.h | 456 +++++
> > drivers/media/platform/amphion/vpu_v4l2.c | 720 +++++++
> > drivers/media/platform/amphion/vpu_v4l2.h | 55 +
> > drivers/media/platform/amphion/vpu_windsor.c | 1169 ++++++++++++
> > drivers/media/platform/amphion/vpu_windsor.h | 37 +
> > drivers/media/v4l2-core/v4l2-ioctl.c | 2 +
> > include/uapi/linux/videodev2.h | 2 +
> > 41 files changed, 12111 insertions(+), 3 deletions(-) create mode
> > 100644 Documentation/devicetree/bindings/media/amphion,vpu.yaml
> > create mode 100644 arch/arm64/boot/dts/freescale/imx8-ss-vpu.dtsi
> > create mode 100644 drivers/media/platform/amphion/Makefile
> > create mode 100644 drivers/media/platform/amphion/vdec.c
> > create mode 100644 drivers/media/platform/amphion/venc.c
> > create mode 100644 drivers/media/platform/amphion/vpu.h
> > create mode 100644 drivers/media/platform/amphion/vpu_cmds.c
> > create mode 100644 drivers/media/platform/amphion/vpu_cmds.h
> > create mode 100644 drivers/media/platform/amphion/vpu_codec.h
> > create mode 100644 drivers/media/platform/amphion/vpu_color.c
> > create mode 100644 drivers/media/platform/amphion/vpu_core.c
> > create mode 100644 drivers/media/platform/amphion/vpu_core.h
> > create mode 100644 drivers/media/platform/amphion/vpu_dbg.c
> > create mode 100644 drivers/media/platform/amphion/vpu_defs.h
> > create mode 100644 drivers/media/platform/amphion/vpu_drv.c
> > create mode 100644 drivers/media/platform/amphion/vpu_helpers.c
> > create mode 100644 drivers/media/platform/amphion/vpu_helpers.h
> > create mode 100644 drivers/media/platform/amphion/vpu_imx8q.c
> > create mode 100644 drivers/media/platform/amphion/vpu_imx8q.h
> > create mode 100644 drivers/media/platform/amphion/vpu_malone.c
> > create mode 100644 drivers/media/platform/amphion/vpu_malone.h
> > create mode 100644 drivers/media/platform/amphion/vpu_mbox.c
> > create mode 100644 drivers/media/platform/amphion/vpu_mbox.h
> > create mode 100644 drivers/media/platform/amphion/vpu_msgs.c
> > create mode 100644 drivers/media/platform/amphion/vpu_msgs.h
> > create mode 100644 drivers/media/platform/amphion/vpu_rpc.c
> > create mode 100644 drivers/media/platform/amphion/vpu_rpc.h
> > create mode 100644 drivers/media/platform/amphion/vpu_v4l2.c
> > create mode 100644 drivers/media/platform/amphion/vpu_v4l2.h
> > create mode 100644 drivers/media/platform/amphion/vpu_windsor.c
> > create mode 100644 drivers/media/platform/amphion/vpu_windsor.h
> >
> >
> > base-commit: 127efdbc51fe6064336c0452ce9c910b3e107cf0
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