diff options
| author | Evan Quan <evan.quan@amd.com> | 2021-02-09 12:23:33 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 15:35:56 -0400 |
| commit | d9ca7567b864322b9fd13b0d29ed510b80bba2f0 (patch) | |
| tree | 9a239080ab9a7675c7c860a7d73c55723f1f6354 /drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | |
| parent | fb1f667e71c079defa5918b8f457faa48120b6f1 (diff) | |
| download | linux-d9ca7567b864322b9fd13b0d29ed510b80bba2f0.tar.bz2 | |
drm/amd/pm: correct the fan speed RPM retrieving
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
retrieving the fan speed RPM.
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/swsmu/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index e762cf18ecea..bce97bffb3e9 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -2639,17 +2639,14 @@ static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed) { struct smu_context *smu = handle; int ret = 0; - u32 percent; if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) return -EOPNOTSUPP; mutex_lock(&smu->mutex); - if (smu->ppt_funcs->get_fan_speed_percent) { - ret = smu->ppt_funcs->get_fan_speed_percent(smu, &percent); - *speed = percent * smu->fan_max_rpm / 100; - } + if (smu->ppt_funcs->get_fan_speed_rpm) + ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed); mutex_unlock(&smu->mutex); |