drm/amd/pm: Create NPM sysfs files from capability

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Advertise each NPM board attribute from a per-field R/W bitmap instead of
probing a single sensor. SMU 13.0.6/13.0.12 reports the cap only when NPM
metrics and MaxNodePowerLimit are present.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Assisted-by: Cursor Grok 4.6
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Lijo Lazar 2026-09-18 09:15:48 +05:30 • committed by Alex Deucher

parent b51576a5d5

commit e53e12cb4c

9 changed files with 111 additions and 15 deletions

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16

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

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23

drivers/gpu/drm/amd/pm/amdgpu_dpm.c

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47

drivers/gpu/drm/amd/pm/amdgpu_pm.c

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1

drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h

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11

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

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7

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

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19

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c

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1

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

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1

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h

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