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drm/amdkfd: Fix instruction hazard in gfx12 trap handler
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VALU instructions with SGPR source need wait states to avoid hazard
with SALU using different SGPR.

v2: Eliminate some hazards to reduce code explosion

Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Lancelot Six <lancelot.six@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Jay Cornwall authored and Alex Deucher committed Mar 14, 2025
1 parent 18537fe commit 7e0459d
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