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

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>

Author: Ma Jun

drivers/gpu/drm/amd/pm/amdgpu_pm.c

@@ -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

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c

@@ -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;