drm/amdkfd: update SIMD distribution algo for GFXIP 9.4.2 onwards

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In certain cooperative group dispatch scenarios the default SPI resource
allocation may cause reduced per-CU workgroup occupancy. Set
COMPUTE_RESOURCE_LIMITS.FORCE_SIMD_DIST=1 to mitigate soft hang
scenarions.

Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Suggested-by: Joseph Greathouse <Joseph.Greathouse@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Rajneesh Bhardwaj 2024-01-31 19:33:49 -05:00 • committed by Alex Deucher

parent 0d555e481c

commit e3de58f8fd

3 changed files with 13 additions and 1 deletions

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9

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c

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1

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

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4

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

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