drm/amd/pm: correct the fan speed RPM setting

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The relationship "PWM = RPM / smu->fan_max_rpm" between fan speed
PWM and RPM is not true for SMU11 ASICs. So, we need a new way to
perform the fan speed RPM setting.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Evan Quan 2021-02-09 13:20:30 +08:00 • committed by Alex Deucher

parent 893cf382c0

commit f3289d0497

7 changed files with 51 additions and 4 deletions

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5

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

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3

drivers/gpu/drm/amd/pm/inc/smu_v11_0.h

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9

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

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1

drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c

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1

drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c

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1

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

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35

drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c

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