drm/amdkfd: gfx12.1 cluster barrier context save workaround

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Trap cluster barrier may not serialize with user cluster barrier
under some circumstances. Add a check for pending user cluster
barrier complete.

Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Tested-by: Gang Ba <Gang.Ba@amd.com>
Cc: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Lancelot Six <lancelot.six@amd.com>
Cc: Vladimir Indic <vladimir.indic@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Jay Cornwall 2026-01-16 12:30:44 -06:00 • committed by Alex Deucher

parent ea89b305b6

commit 29b703d7ad

2 changed files with 47 additions and 20 deletions

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31

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

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36

drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx12.asm

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