diff options
| author |   Evan Quan <evan.quan@amd.com> | 2021-02-09 12:10:43 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 15:35:56 -0400 |
| commit | fb1f667e71c079defa5918b8f457faa48120b6f1 (patch) | |
| tree | a4245e3e8de76642188a8cfe006ebd1be26ad0a3 /drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | |
| parent | drm/amd/pm: record the RPM and PWM based fan speed settings (diff) | |
| download | linux-dev-fb1f667e71c079defa5918b8f457faa48120b6f1.tar.xz linux-dev-fb1f667e71c079defa5918b8f457faa48120b6f1.zip | |
drm/amd/pm: correct the fan speed PWM 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 PWM.
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/smu11/sienna_cichlid_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 5b73af747fe5..cb60e89bab3e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -1354,29 +1354,6 @@ static bool sienna_cichlid_is_dpm_running(struct smu_context *smu) return !!(feature_enabled & SMC_DPM_FEATURE); } -static int sienna_cichlid_get_fan_speed_percent(struct smu_context *smu, - uint32_t *speed) -{ - int ret; - u32 rpm; - - if (!speed) - return -EINVAL; - - switch (smu_v11_0_get_fan_control_mode(smu)) { - case AMD_FAN_CTRL_AUTO: - ret = sienna_cichlid_get_smu_metrics_data(smu, - METRICS_CURR_FANSPEED, - &rpm); - if (!ret && smu->fan_max_rpm) - *speed = rpm * 100 / smu->fan_max_rpm; - return ret; - default: - *speed = smu->user_dpm_profile.fan_speed_percent; - return 0; - } -} - static int sienna_cichlid_get_fan_parameters(struct smu_context *smu) { uint16_t *table_member; @@ -3859,7 +3836,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = { .display_config_changed = sienna_cichlid_display_config_changed, .notify_smc_display_config = sienna_cichlid_notify_smc_display_config, .is_dpm_running = sienna_cichlid_is_dpm_running, - .get_fan_speed_percent = sienna_cichlid_get_fan_speed_percent, + .get_fan_speed_percent = smu_v11_0_get_fan_speed_percent, .get_power_profile_mode = sienna_cichlid_get_power_profile_mode, .set_power_profile_mode = sienna_cichlid_set_power_profile_mode, .set_watermarks_table = sienna_cichlid_set_watermarks_table, |