drm/amdkfd: Fix VGPR bank state save in gfx12.1 trap handler

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S_SETREG_IMM32_B32 does not apply a mask to the MODE bank bits.
SRC2 is consequently unconditonally cleared during context save.

Use S_SETREG_B32 instead to preserve SRC2.

Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Lancelot Six <lancelot.six@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Jay Cornwall 2025-10-23 15:28:39 -05:00 • committed by Alex Deucher

parent 864a8b2c1f

commit 1005ab86cf

2 changed files with 3 additions and 2 deletions

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2

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

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3

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

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