* hexagon: move the converting CPY in blocks of rows per DMA descriptor so short rows are not DMA-latency bound
* hex-cpy: cleanup cpy cursor handling
* hex-cpy-concat: introduce threaded dma/hvx gather-row helper
Co-authored-by: Ruslan Karymov <67752306+karusrus@users.noreply.github.com>
* hex-cpy: remove leftover rejections for extended buffers
* hex-cpy: relax the gate for fast-path
* hex-cpy: remove scalar divs and vtcm access and use explicit gather_sync
* hex-cpy: add proper support for mdev work splitting to fastpath
* hex-cpy: optimize dense gather-row tasks
* hex-cpy: unroll gather-rows loops
* hex-cpy: add fastpath for f16
* hex-cpy-concat: support for colapsing 3/4D dims
* hex-cpy: double-buffer support
* hex-cpy: factor out gather-rows into more of an op by itself
* hex-cpy-concat: dedup kernel-params
* hex-cpy-concat: step-down nr to fit instead of hard fail
* hex-gather: replace div with a mask
* hex-gather-rows: cleanup dma pipeline and remove the stalls
* hex-gather: specialize compute funcs
* hex-gather: reduce scalar reg.spills and func calls
* hex-gather: do not recompute rows-per-thread on the npu
* hex-build: add support for building/installing just hexagon
* hex-cpy-concat: remove redundant barrier in concat and move cpy barrier under fence
* hex-gather: annotations for dma-out
* hex-mdev: make all key vtcm_acquire sync state atomic (fixes random hangs in mdev setups)
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Co-authored-by: Yiwei Shao <yiwei@aizip.ai>
Co-authored-by: Ruslan Karymov <67752306+karusrus@users.noreply.github.com>
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