[PATCH v2 00/19] accel: ethosu: Another batch of fixes

[Rob Herring (Arm)]

This is another series of fixes to the ethosu driver. It's mostly probe 
error paths and cmd stream validation fixes. It's a mixture of 
AI reported issues, different solutions to other posted issues and 
fixes[1] and my own fixes. The last 2 patches are additional operation 
support.

The series adds rejecting OFM tranpose in cmd stream, but then 
the next to last patch adds support for it. I did this so the rejection 
can be backported, but maybe supporting OFM transpose is small enough 
that it should just be backported too?

Rob

[1] https://lore.kernel.org/all/20260717061145.1478139-1-zhaoguohan@xxxxxxxxxx

Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
Changes in v2:
- Dropped first 5 patches which are already applied
- Patches 11-17 and 19 are new patches with more cmd stream validation
- Add fix to diable clocks on PM setup failure
- Rework the runtime-PM to suspend after initialization and before 
  drm_dev_register(). This simplifies the error clean-up in probe.
- Handle quiescing jobs before scheduler teardown
- Rework the cmd stream register initialization tracking to use a bitmap 
  of registers instead of relying on initial state values.
- Handle U85 DMA 2D/3D modes correctly
- Link to v1: https://patch.msgid.link/20260827-ethosu-fixes-v1-0-346f9ea8791c@xxxxxxxxxx

---
Rob Herring (Arm) (19):
      accel: ethosu: Suspend after initialization
      accel: ethosu: Fix probe error cleanup
      accel: ethosu: Disable clocks on PM setup failure
      accel: ethosu: Quiesce jobs before scheduler teardown
      accel: ethosu: Move DMA mode to src/dst struct
      accel: ethosu: Track command stream register setup
      accel: ethosu: Factor buffer bounds checks
      accel: ethosu: Validate secondary streams
      accel: ethosu: Reject unsupported commands
      accel: ethosu: Validate all feature map tiles
      accel: ethosu: Account for feature map element size
      accel: ethosu: Validate convolution parameter
      accel: ethosu: Account for kernel dilation in IFM size
      accel: ethosu: Reject reserved command encodings
      accel: ethosu: Validate accumulator input
      accel: ethosu: Restrict dynamic IFM2 weights
      accel: ethosu: Split U65 and U85 DMA length validation
      accel: ethosu: Validate OFM transpose
      accel: ethosu: Validate resize operations

 drivers/accel/ethosu/ethosu_device.h |  23 +
 drivers/accel/ethosu/ethosu_drv.c    |  23 +-
 drivers/accel/ethosu/ethosu_drv.h    |   2 +
 drivers/accel/ethosu/ethosu_gem.c    | 813 +++++++++++++++++++++++++++++++----
 drivers/accel/ethosu/ethosu_job.c    |  28 +-
 5 files changed, 798 insertions(+), 91 deletions(-)
---
base-commit: 2b39d680c9e0fb4d625f2916980977622e84248c
change-id: 20260827-ethosu-fixes-ee58386e9000

Best regards,
--  
Rob Herring (Arm) <robh@xxxxxxxxxx>