drm/amdkfd: Trap handler changes for GC 9.4.3 v2

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v1:
Check new exception bits in TRAPSTS register
Remove single step exception workaround, now part of
exception bits

v2:
GC 9.4.3 uses ttmp11 to store {1’b0, dispatch index [24:0],
wave_id_in_workgroup[5:0]}, so use ttmp13 instead of ttmp11 to
preserve ib_sts. (Laurent)

Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Signed-off-by: Laurent Morichetti <Laurent.Morichetti@amd.com>
Reviewed-by: Laurent Morichetti <laurent.morichetti@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Jay Cornwall 2022-07-23 17:29:43 +08:00 • committed by Alex Deucher

parent 16b34622f7

commit 1d44ff3d7a

3 changed files with 526 additions and 19 deletions

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487

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

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52

drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm

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6

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

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