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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>
(cherry picked from commit 7e0459d)
Cc: stable@vger.kernel.org # 6.12.x
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Jay Cornwall authored and Alex Deucher committed Mar 18, 2025
1 parent 5ca0040 commit 424648c
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