Re: IPU6 Camera Video Output Upside Down

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Hello Kelvin,

On Sat, Aug 17, 2024 at 08:00:24PM -0400, Kelvin Miller wrote:
> All,
> 
> I don't know who to direct this to, so I added the names of
> individuals working on intel_ipu6 related patches.

I've added Sakari Ailus to the CC list and dropped Arnd as he's not
involved.

> I'm running the 6.10.5-arch1-1 and 6.10.5-arch1-1-surface kernels on a
> Microsoft Surface Pro 8 in EndeavourOS. The Surface Pro 8 has the
> ov5693 (front) and ov13858 (rear) sensors. Only the front sensor is
> recognized by libcamera. In all of the camera applications that I used
> (cheese, kamoso, and qcam) the video is inverted (upside down). It was
> recommended on the Surface Linux Github page
> (https://github.com/linux-surface/linux-surface/discussions/1354#discussioncomment-10367513)
> that I report this issue here.
> 
> Here are some outputs:
> 
> $ v4l2-ctl -l -d $(media-ctl -d /dev/media0 -e 'ov5693 2-0036')
> 
> User Controls
> 
>                       exposure 0x00980911 (int)    : min=1 max=1030
> step=1 default=1030 value=1030
>                horizontal_flip 0x00980914 (bool)   : default=0 value=0
>                  vertical_flip 0x00980915 (bool)   : default=0 value=0
> 
> Camera Controls
> 
>             camera_orientation 0x009a0922 (menu)   : min=0 max=2
> default=0 value=0 (Front) flags=read-only
>         camera_sensor_rotation 0x009a0923 (int)    : min=0 max=0
> step=1 default=0 value=0 flags=read-only
> 
> Image Source Controls
> 
>              vertical_blanking 0x009e0901 (int)    : min=4 max=64563
> step=1 default=66 value=66
>            horizontal_blanking 0x009e0902 (int)    : min=1392 max=1392
> step=1 default=1392 value=1392 flags=read-only
>                  analogue_gain 0x009e0903 (int)    : min=1 max=127
> step=1 default=8 value=127
> 
> Image Processing Controls
> 
>                 link_frequency 0x009f0901 (intmenu): min=0 max=0
> default=0 value=0 (419200000 0x18fc7c00) flags=read-only
>                     pixel_rate 0x009f0902 (int64)  : min=0
> max=167680000 step=1 default=167680000 value=167680000 flags=read-only
>                   test_pattern 0x009f0903 (menu)   : min=0 max=3
> default=0 value=0 (Disabled)
>                   digital_gain 0x009f0905 (int)    : min=1 max=4095
> step=1 default=1024 value=1024

Looking at this, the sensor reports it's mounted upside-up (through
camera_sensor_rotation), which makes me suspect that either the
information in the _PLD is incorrect, or the _PLD is not correctly taken
into account. Bingbu, Sakari, could you help Kelvin to investigate this
?

> $ lsmod | grep ipu
> intel_ipu6_isys       143360  6
> videobuf2_dma_contig    28672  2 intel_ipu6_isys
> videobuf2_v4l2         40960  1 intel_ipu6_isys
> videobuf2_common       94208  4
> videobuf2_dma_contig,videobuf2_v4l2,intel_ipu6_isys,videobuf2_memops
> v4l2_fwnode            32768  8 ov5693,intel_ipu6_isys,ov13858
> v4l2_async             32768  4 v4l2_fwnode,ov5693,intel_ipu6_isys,ov13858
> videodev              393216  15
> v4l2_async,v4l2_fwnode,videobuf2_v4l2,ov5693,v4l2loopback,intel_ipu6_isys,ov13858
> mc                     90112  9
> v4l2_async,videodev,videobuf2_v4l2,ov5693,intel_ipu6_isys,ov13858,videobuf2_common
> intel_ipu6             86016  7 intel_ipu6_isys
> ipu_bridge             24576  2 intel_ipu6,intel_ipu6_isys
> 
> $ LIBCAMERA_LOG_LEVELS=0 cam --list
> [1:10:50.807754803] [10863] DEBUG IPAModule ipa_module.cpp:334
> ipa_ipu3.so: IPA module /usr/lib/libcamera/ipa_ipu3.so is signed
> [1:10:50.807872559] [10863] DEBUG IPAManager ipa_manager.cpp:235
> Loaded IPA module '/usr/lib/libcamera/ipa_ipu3.so'
> [1:10:50.807962280] [10863] DEBUG IPAModule ipa_module.cpp:334
> ipa_soft_simple.so: IPA module /usr/lib/libcamera/ipa_soft_simple.so
> is signe
> d
> [1:10:50.807980265] [10863] DEBUG IPAManager ipa_manager.cpp:235
> Loaded IPA module '/usr/lib/libcamera/ipa_soft_simple.so'
> [1:10:50.808012629] [10863] DEBUG IPAModule ipa_module.cpp:334
> ipa_vimc.so: IPA module /usr/lib/libcamera/ipa_vimc.so is signed
> [1:10:50.808025804] [10863] DEBUG IPAManager ipa_manager.cpp:235
> Loaded IPA module '/usr/lib/libcamera/ipa_vimc.so'
> [1:10:50.808050072] [10863] ERROR IPAModule ipa_module.cpp:172 Symbol
> ipaModuleInfo not found
> [1:10:50.808057333] [10863] ERROR IPAModule ipa_module.cpp:292
> v4l2-compat.so: IPA module has no valid info
> [1:10:50.808131102] [10863]  INFO Camera camera_manager.cpp:325
> libcamera v0.3.1+64-ce690bd9-dirty (2024-08-17T16:17:18EDT)
> [1:10:50.808343190] [10864] DEBUG Camera camera_manager.cpp:73
> Starting camera manager
> [1:10:50.821605192] [10864] DEBUG DeviceEnumerator
> device_enumerator.cpp:230 New media device "intel-ipu6" created from
> /dev/media0
> [1:10:50.824319260] [10864] DEBUG DeviceEnumerator
> device_enumerator_udev.cpp:96 Defer media device /dev/media0 due to 1
> missing dependencie
> s
> [1:10:50.824612021] [10864] DEBUG DeviceEnumerator
> device_enumerator_udev.cpp:322 All dependencies for media device
> /dev/media0 found
> [1:10:50.824624081] [10864] DEBUG DeviceEnumerator
> device_enumerator.cpp:258 Added device /dev/media0: intel-ipu6
> [1:10:50.825560945] [10864] DEBUG Camera camera_manager.cpp:138 Found
> registered pipeline handler 'ipu3'
> [1:10:50.825858267] [10864] DEBUG Camera camera_manager.cpp:138 Found
> registered pipeline handler 'simple'
> [1:10:50.825960032] [10864] DEBUG DeviceEnumerator
> device_enumerator.cpp:318 Successful match for media device
> "intel-ipu6"
> [1:10:50.826073453] [10864] DEBUG SimplePipeline simple.cpp:1554
> Sensor found for /dev/media0
> [1:10:50.826578250] [10864] DEBUG SimplePipeline simple.cpp:417 Found
> capture device Intel IPU6 ISYS Capture 32
> [1:10:50.826673664] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Exposure (0x00980911)
> [1:10:50.826807959] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Horizontal Flip (0x00980914)
> [1:10:50.826837706] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Vertical Flip (0x00980915)
> [1:10:50.826855790] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Camera Orientation (0x009a0922)
> [1:10:50.826903725] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Camera Sensor Rotation (0x009a0923)
> [1:10:50.826923461] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Vertical Blanking (0x009e0901)
> [1:10:50.826936999] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Horizontal Blanking (0x009e0902)
> [1:10:50.826951952] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Analogue Gain (0x009e0903)
> [1:10:50.826966185] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Link Frequency (0x009f0901)
> [1:10:50.826983040] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Pixel Rate (0x009f0902)
> [1:10:50.826997454] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Test Pattern (0x009f0903)
> [1:10:50.827015198] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Digital Gain (0x009f0905)
> [1:10:50.828490135] [10864] DEBUG CameraSensor camera_sensor.cpp:431
> 'ov5693 2-0036': Test pattern mode 1 ignored
> [1:10:50.828508710] [10864] DEBUG CameraSensor camera_sensor.cpp:431
> 'ov5693 2-0036': Test pattern mode 3 ignored
> [1:10:50.828545992] [10864] DEBUG CameraSensor camera_sensor.cpp:1187
> 'ov5693 2-0036': Apply test pattern mode 0
> [1:10:50.828573532] [10864] DEBUG SimplePipeline simple.cpp:487 Found
> pipeline: [ov5693 2-0036|0] -> [0|Intel IPU6 CSI2 4|1] -> [0|Intel IPU
> 6 ISYS Capture 32]
> [1:10:50.828701911] [10864] DEBUG V4L2 v4l2_videodevice.cpp:632
> /dev/video32[14:cap]: Opened device : isys: ipu6
> [1:10:50.828871825] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Exposure (0x00980911)
> [1:10:50.828899010] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Horizontal Flip (0x00980914)
> [1:10:50.828914160] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Vertical Flip (0x00980915)
> [1:10:50.828928349] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Camera Orientation (0x009a0922)
> [1:10:50.828947214] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Camera Sensor Rotation (0x009a0923)
> [1:10:50.828961230] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Vertical Blanking (0x009e0901)
> [1:10:50.828974089] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Horizontal Blanking (0x009e0902)
> [1:10:50.828986298] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Analogue Gain (0x009e0903)
> [1:10:50.828998654] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Link Frequency (0x009f0901)
> [1:10:50.829014321] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Pixel Rate (0x009f0902)
> [1:10:50.829027065] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Test Pattern (0x009f0903)
> [1:10:50.829043099] [10864] DEBUG V4L2 v4l2_device.cpp:636 'ov5693
> 2-0036': Control: Digital Gain (0x009f0905)
> [1:10:50.829102862] [10864] DEBUG DmaBufAllocator
> dma_buf_allocator.cpp:103 Failed to open /dev/dma_heap/linux,cma:
> Permission denied
> [1:10:50.829116555] [10864] DEBUG DmaBufAllocator
> dma_buf_allocator.cpp:103 Failed to open /dev/dma_heap/reserved:
> Permission denied
> [1:10:50.829124690] [10864] DEBUG DmaBufAllocator
> dma_buf_allocator.cpp:103 Failed to open /dev/dma_heap/system:
> Permission denied
> [1:10:50.829137432] [10864] DEBUG DmaBufAllocator
> dma_buf_allocator.cpp:109 Using /dev/udmabuf
> [1:10:50.830824251] [10864] DEBUG IPAManager ipa_manager.cpp:306 IPA
> module /usr/lib/libcamera/ipa_soft_simple.so signature is valid
> [1:10:50.830945293] [10864] DEBUG IPAProxy soft_ipa_proxy.cpp:45
> initializing soft proxy: loading IPA from
> /usr/lib/libcamera/ipa_soft_simpl
> e.so
> [1:10:50.831350571] [10864]  WARN IPAProxy ipa_proxy.cpp:161
> Configuration file 'ov5693.yaml' not found for IPA module 'simple',
> falling bac
> k to 'uncalibrated.yaml'
> [1:10:50.831585810] [10864] DEBUG IPASoft soft_simple.cpp:135 Tuning
> file version 1
> [1:10:50.831695682] [10864] DEBUG MediaDevice media_device.cpp:830
> /dev/media0[intel-ipu6]: Intel IPU6 CSI2 4[1] -> Intel IPU6 ISYS
> Capture
> 32[0]: 0
> [1:10:50.831706917] [10864] DEBUG MediaDevice media_device.cpp:830
> /dev/media0[intel-ipu6]: Intel IPU6 CSI2 4[1] -> Intel IPU6 ISYS
> Capture
> 32[0]: 1
> [1:10:50.831829423] [10864] DEBUG SimplePipeline simple.cpp:776 Link
> 'ov5693 2-0036':0 -> 'Intel IPU6 CSI2 4':0 configured with format
> 1296x
> 972-SBGGR10_1X10
> [1:10:50.831850084] [10864] DEBUG SimplePipeline simple.cpp:776 Link
> 'Intel IPU6 CSI2 4':1 -> 'Intel IPU6 ISYS Capture 32':0 configured
> with
> format 1296x972-SBGGR10_1X10
> [1:10:50.831916492] [10864] DEBUG SimplePipeline simple.cpp:627 Adding
> configuration for 1296x972 in pixel formats [ BG10, pBAA ]
> [1:10:50.832031091] [10864] DEBUG SimplePipeline simple.cpp:776 Link
> 'ov5693 2-0036':0 -> 'Intel IPU6 CSI2 4':0 configured with format
> 2592x
> 1944-SBGGR10_1X10
> [1:10:50.832040698] [10864] DEBUG SimplePipeline simple.cpp:776 Link
> 'Intel IPU6 CSI2 4':1 -> 'Intel IPU6 ISYS Capture 32':0 configured
> with
> format 2592x1944-SBGGR10_1X10
> [1:10:50.832056763] [10864] DEBUG SimplePipeline simple.cpp:627 Adding
> configuration for 2592x1944 in pixel formats [ BG10, pBAA ]
> [1:10:50.832301449] [10864] DEBUG Camera camera_manager.cpp:159
> Pipeline handler "simple" matched
> [1:10:50.832331269] [10864] DEBUG Camera camera_manager.cpp:138 Found
> registered pipeline handler 'uvcvideo'
> Available cameras:
> 1: Internal front camera (\_SB_.PC00.I2C2.CAMF)
> 
> Please let me know if you need any more information.

-- 
Regards,

Laurent Pinchart




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