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drm/amd/pm: Add reset option for fan_ctrl interfaces

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Add reset option for fan_ctrl interfaces.

For example:
User can use the "echo r > acoustic_limit_rpm_threshold" command
to reset acoustic_limit_rpm_threshold to boot value

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ma Jun 2023-09-13 14:25:38 +08:00 committed by Alex Deucher
parent c66705c5a8
commit 1007bc36ec
2 changed files with 36 additions and 0 deletions
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12
drivers/gpu/drm/amd/pm/amdgpu_pm.c
View File

@ -3680,6 +3680,9 @@ static umode_t fan_curve_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
* If you want to reset to the default value, write "r" (reset) to the file to
* reset them
*
* This setting works under auto fan control mode only. It adjusts the PMFW's
* behavior about the maximum speed in RPM the fan can spin. Setting via this
* interface will switch the fan control to auto mode implicitly.
@ -3735,6 +3738,9 @@ static umode_t acoustic_limit_threshold_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
* If you want to reset to the default value, write "r" (reset) to the file to
* reset them
*
* This setting works under auto fan control mode only. It can co-exist with
* other settings which can work also under auto mode. It adjusts the PMFW's
* behavior about the maximum speed in RPM the fan can spin when ASIC
@ -3792,6 +3798,9 @@ static umode_t acoustic_target_threshold_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
* If you want to reset to the default value, write "r" (reset) to the file to
* reset them
*
* This setting works under auto fan control mode only. It can co-exist with
* other settings which can work also under auto mode. Paring with the
* acoustic_target_rpm_threshold setting, they define the maximum speed in
@ -3850,6 +3859,9 @@ static umode_t fan_target_temperature_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
* If you want to reset to the default value, write "r" (reset) to the file to
* reset them
*
* This setting works under auto fan control mode only. It can co-exist with
* other settings which can work also under auto mode. It adjusts the PMFW's
* behavior about the minimum fan speed in PWM the fan should spin. Setting

24
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
View File

@ -1533,6 +1533,30 @@ static int smu_v13_0_0_od_restore_table_single(struct smu_context *smu, long inp
od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
break;
case PP_OD_EDIT_ACOUSTIC_LIMIT:
od_table->OverDriveTable.AcousticLimitRpmThreshold =
boot_overdrive_table->OverDriveTable.AcousticLimitRpmThreshold;
od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
break;
case PP_OD_EDIT_ACOUSTIC_TARGET:
od_table->OverDriveTable.AcousticTargetRpmThreshold =
boot_overdrive_table->OverDriveTable.AcousticTargetRpmThreshold;
od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
break;
case PP_OD_EDIT_FAN_TARGET_TEMPERATURE:
od_table->OverDriveTable.FanTargetTemperature =
boot_overdrive_table->OverDriveTable.FanTargetTemperature;
od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
break;
case PP_OD_EDIT_FAN_MINIMUM_PWM:
od_table->OverDriveTable.FanMinimumPwm =
boot_overdrive_table->OverDriveTable.FanMinimumPwm;
od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
break;
default:
dev_info(adev->dev, "Invalid table index: %ld\n", input);
return -EINVAL;