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| author | Evan Quan <evan.quan@amd.com> | 2021-02-09 13:20:30 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 15:35:56 -0400 |
| commit | f3289d049720f356dc35ae72289743d7202b7787 (patch) | |
| tree | 06d24aa2405c30b9d9c40096ffd74798f31f5d14 /drivers/gpu/drm/amd/pm/inc | |
| parent | 893cf382c0403d7c4581f0f01f6d06c76485123d (diff) | |
| download | linux-f3289d049720f356dc35ae72289743d7202b7787.tar.bz2 | |
drm/amd/pm: correct the fan speed RPM setting
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>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/inc/smu_v11_0.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h index c2c201b8e3cf..183654f8b564 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h @@ -1048,6 +1048,11 @@ struct pptable_funcs { int (*set_fan_speed_percent)(struct smu_context *smu, uint32_t speed); /** + * @set_fan_speed_rpm: Set a static fan speed in rpm. + */ + int (*set_fan_speed_rpm)(struct smu_context *smu, uint32_t speed); + + /** * @set_xgmi_pstate: Set inter-chip global memory interconnect pstate. * &pstate: Pstate to set. D0 if Nonzero, D3 otherwise. */ diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h index 403bc1bf8a77..b9c8a924dca6 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h @@ -224,6 +224,9 @@ smu_v11_0_set_fan_control_mode(struct smu_context *smu, int smu_v11_0_set_fan_speed_percent(struct smu_context *smu, uint32_t speed); +int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu, + uint32_t speed); + int smu_v11_0_set_xgmi_pstate(struct smu_context *smu, uint32_t pstate); |