Hi Ross, Am Dienstag, 17. Februar 2026, 22:39:48 Mitteleuropäische Sommerzeit schrieb Ross Cawston: > The Rocket NPU supports multiple workload types beyond convolutional jobs: > - Standalone post-processing (PPU) tasks (pooling, element-wise ops, etc.) > - Pipelined DPU→PPU workloads > > The current driver has limitations preventing these from working correctly: > - CNA/Core S_POINTER registers are always written, re-arming stale state > - Interrupt handling is hard-coded to DPU only, causing PPU timeouts > - Ping-pong mode is always enabled > > This series fixes these while preserving backward compatibility. > > Patch breakdown: > 1/5 Fix error path in BO creation (cleanup/fix) > 2/5 Enable ping-pong mode only for multi-task jobs (optimization) > 3/5 Add per-task int_mask and flags to UAPI/kernel (new knobs) > 4/5 Skip CNA/Core S_POINTER init for standalone tasks > 5/5 Use per-task interrupt mask and handle PPU completions > > Derived from vendor BSP behavior. > > Tested on OrangePi 5 Ultra and Radxa Rock 5B (RK3588). > > Thanks for review!
Extending Rocket's range sounds really cool. Curious me wants to know how to test these new parts. I was assuming some mesa thing, but didn't find a PR for it, so it must be something else? Thanks a lot Heiko > Signed-off-by: Ross Cawston <[email protected]> > --- > Ross Cawston (5): > accel/rocket: Fix error path in BO creation > accel/rocket: Enable ping-pong mode only for multi-task jobs > accel/rocket: Add per-task flags and interrupt mask to UAPI and kernel > accel/rocket: Skip CNA/Core S_POINTER initialization for standalone > tasks > accel/rocket: Use per-task interrupt mask and handle PPU completion > interrupts > > drivers/accel/rocket/rocket_gem.c | 2 + > drivers/accel/rocket/rocket_job.c | 80 > ++++++++++++++++++++++++++++++--------- > drivers/accel/rocket/rocket_job.h | 2 + > include/uapi/drm/rocket_accel.h | 25 ++++++++++++ > 4 files changed, 92 insertions(+), 17 deletions(-) > --- > base-commit: 17f8d2009367c3da82882f70ccbdca9f8c7b5f20 > change-id: 20260217-accel-rocket-clean-base-57c0e88651e6 > > Best regards, >
