Black screen on XPS 9320
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- C
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Description
Hello,
When trying to get the camera working I am getting a black screen (does not matter if on Cheese or in the browser). Driver initialization seems to be correct, the camera lights up for a second after boot and nothing suspicious in the log:
```
# dmesg|grep ipu
[ 7.491721] intel-ipu6 0000:00:05.0: enabling device (0000 -> 0002)
[ 7.492664] intel-ipu6 0000:00:05.0: Device 0x465d (rev: 0x2)
[ 7.492693] intel-ipu6 0000:00:05.0: physical base address 0x603c000000
[ 7.492695] intel-ipu6 0000:00:05.0: mapped as: 0x00000000e80cd2b3
[ 7.536646] intel-ipu6 0000:00:05.0: Unable to set secure mode
[ 7.536654] intel-ipu6 0000:00:05.0: IPU in non-secure mode
[ 7.536656] intel-ipu6 0000:00:05.0: IPU secure touch = 0x0
[ 7.536659] intel-ipu6 0000:00:05.0: IPU camera mask = 0xff
[ 7.536669] intel-ipu6 0000:00:05.0: Skip ipc reset for non-secure mode
[ 7.536671] intel-ipu6 0000:00:05.0: IPC reset done
[ 7.536672] intel-ipu6 0000:00:05.0: cpd file name: intel/ipu6ep_fw.bin
[ 7.538444] intel-ipu6 0000:00:05.0: FW version: 20220510
[ 7.541179] intel-ipu6 0000:00:05.0: IPU6-v3 driver version 1.0
[ 7.597018] intel-ipu6-psys intel-ipu6-psys0: pkg_dir entry count:8
[ 7.597611] intel-ipu6-psys intel-ipu6-psys0: psys probe minor: 0
[ 17.254118] intel-ipu6-isys intel-ipu6-isys0: bind ov01a10 3-0036 nlanes is 1 port is 2
[ 17.254449] intel-ipu6-isys intel-ipu6-isys0: All sensor registration completed.
```
When testing with Cheese application (`cheese -d "Intel MIPI Camera"`), I always get black screen and following in the log:
```
[ 415.856919] intel-ipu6-isys intel-ipu6-isys0: removed
[ 415.857177] intel-ipu6-isys intel-ipu6-isys0: unbind ov01a10 3-0036
[ 415.922524] intel-ipu6-isys intel-ipu6-isys0: bind ov01a10 3-0036 nlanes is 1 port is 2
[ 415.926305] intel-ipu6-isys intel-ipu6-isys0: All sensor registration completed.
[ 421.278119] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.305927] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.334000] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.361894] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.390070] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.417908] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.445900] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
[ 421.473908] intel-ipu6-isys intel-ipu6-isys0: Format not found in mapping table.
```
What may be wrong in this case? Driver is compiled from source, how can I debug driver more deeply?
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