drm/amdkfd: add sdma queue counter for gfxv9.4.3

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since gfx 9.4.3 HW is calculating accumulated activity counter
per-queue in register sdmax_rlcx_utilization_hi/lo, CPFW adds it in
sdma MQD for save/restore, KFD will read it from there. gfx 9.4.2
will still keep the way to read from memory at rptr+8.

v2: read dynamic counter directly from utilization register
v3: add CPFW supported version check (Harish)

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Eric Huang 2026-06-04 09:24:32 -04:00 • committed by Alex Deucher

parent d04560b5f9

commit 8f09c0ec21

6 changed files with 107 additions and 8 deletions

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63

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gc_9_4_3.c

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27

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

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14

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

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4

drivers/gpu/drm/amd/include/asic_reg/sdma/sdma_4_4_2_offset.h

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3

drivers/gpu/drm/amd/include/kgd_kfd_interface.h

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4

drivers/gpu/drm/amd/include/v9_structs.h

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