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lockdep fixes for imx708 and imx477#6813

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pelwell merged 2 commits intoraspberrypi:rpi-6.12.yfrom
6by9:rpi-6.12.y-imx477-2
Apr 25, 2025
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lockdep fixes for imx708 and imx477#6813
pelwell merged 2 commits intoraspberrypi:rpi-6.12.yfrom
6by9:rpi-6.12.y-imx477-2

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@6by9 6by9 commented Apr 24, 2025

See #6812

6by9 added 2 commits April 24, 2025 17:06
The driver had a lockdep_assert_held in imx708_get_format_code,
but the calls from enum_mbus_code and enum_frame_size didn't take
the mutex.

Likewise imx708_set_framing_limits calling __v4l2_ctrl_modify_range
had a lockdep, but when going through the probe function the mutex
hadn't been taken.

Fix both cases.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
imx477_get_format_code has a lockdep_assert_held test, however
the call paths from enum_mbus_code and enum_frame_size don't
lock the mutex before calling it.

Add in the relevant mutex locking.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
@6by9 6by9 mentioned this pull request Apr 24, 2025
@pelwell pelwell merged commit e06fdae into raspberrypi:rpi-6.12.y Apr 25, 2025
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popcornmix added a commit to raspberrypi/firmware that referenced this pull request Apr 26, 2025
kernel: lockdep fixes for imx708 and imx477
See: raspberrypi/linux#6813

kernel: drm/vc4: plane: Fix incorrect handling of GEN_6_D in vc4_plane_async_set_fb
See: raspberrypi/linux#6811

kernel: configs: Enable UNICODE support (for filesystems)
See: raspberrypi/linux#6809

kernel: configs: Enable the EROFS read-only filesystem
See: raspberrypi/linux#6806

kernel: overlays: Add aht20 support to i2c-sensor
See: raspberrypi/linux#6805

kernel: 6.12/iob/topic/imx335
See: raspberrypi/linux#6804

kernel: hwmon: aht10: Fix AHT20 initialization
See: raspberrypi/linux#6803

kernel: drm/vc4: plane: Use nearest neighbour filter with YUV444 workaround
See: raspberrypi/linux#6796

kernel: dtoverlays: Create Pi5 variant of tc358743 overlay
See: raspberrypi/linux#6795

kernel: usb: xhci: default to Intel scheme for calculating U1/U2 timeouts
See: raspberrypi/linux#6794

kernel: Add TCS3472 and VEML6040 sensor support (and a few others)
See: raspberrypi/linux#6448

kernel: drm/vc4: plane: Increase UPM allocation size for YUV444
See: raspberrypi/linux#6791

kernel: media: i2c: imx219: Restore the 1920x1080 to using a 1:1 PAR
See: raspberrypi/linux#6793
popcornmix added a commit to raspberrypi/rpi-firmware that referenced this pull request Apr 26, 2025
kernel: lockdep fixes for imx708 and imx477
See: raspberrypi/linux#6813

kernel: drm/vc4: plane: Fix incorrect handling of GEN_6_D in vc4_plane_async_set_fb
See: raspberrypi/linux#6811

kernel: configs: Enable UNICODE support (for filesystems)
See: raspberrypi/linux#6809

kernel: configs: Enable the EROFS read-only filesystem
See: raspberrypi/linux#6806

kernel: overlays: Add aht20 support to i2c-sensor
See: raspberrypi/linux#6805

kernel: 6.12/iob/topic/imx335
See: raspberrypi/linux#6804

kernel: hwmon: aht10: Fix AHT20 initialization
See: raspberrypi/linux#6803

kernel: drm/vc4: plane: Use nearest neighbour filter with YUV444 workaround
See: raspberrypi/linux#6796

kernel: dtoverlays: Create Pi5 variant of tc358743 overlay
See: raspberrypi/linux#6795

kernel: usb: xhci: default to Intel scheme for calculating U1/U2 timeouts
See: raspberrypi/linux#6794

kernel: Add TCS3472 and VEML6040 sensor support (and a few others)
See: raspberrypi/linux#6448

kernel: drm/vc4: plane: Increase UPM allocation size for YUV444
See: raspberrypi/linux#6791

kernel: media: i2c: imx219: Restore the 1920x1080 to using a 1:1 PAR
See: raspberrypi/linux#6793
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2 participants