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habanalabs/gaudi: fix DMA completions max outstanding to 15
authorOded Gabbay <oded.gabbay@gmail.com>
Mon, 14 Sep 2020 06:26:54 +0000 (09:26 +0300)
committerOded Gabbay <oded.gabbay@gmail.com>
Tue, 22 Sep 2020 15:49:54 +0000 (18:49 +0300)
commitd1f3633599a9178572f3b25f9f23cd9dc423a9fa
treee6220afb9f0a8a61f1946eb0dbf619f38f6b23e2tree | snapshot
parentdbf053c42994460d5228e6cef3f69d3c91e52a92commit | diff
habanalabs/gaudi: fix DMA completions max outstanding to 15

This is a workaround for H/W bug H3-2116, where if there are more than 16
outstanding completions in the DMA transpose engine, there can be a
deadlock in the engine.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
drivers/misc/habanalabs/gaudi/gaudi.c diff | blob | history