[PATCH 2/2] drm/amd/pm: Add reset option for fan_ctrl on smu 13.0.7

[Ma Jun]

Add reset option for fan_ctrl interfaces on the smu v13.0.7
User can use command "echo r > interface_name" to reset the
interface to boot value

Signed-off-by: Ma Jun <Jun.Ma2 at amd.com>
---
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c  | 69 +++++++++++++++++--
 1 file changed, 64 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index b8a7a1d853df..3c5526babb14 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -1497,6 +1497,59 @@ static int smu_v13_0_7_print_clk_levels(struct smu_context *smu,
 	return size;
 }
 
+static int smu_v13_0_7_od_restore_table_single(struct smu_context *smu, long input)
+{
+	struct smu_table_context *table_context = &smu->smu_table;
+	OverDriveTableExternal_t *boot_overdrive_table =
+		(OverDriveTableExternal_t *)table_context->boot_overdrive_table;
+	OverDriveTableExternal_t *od_table =
+		(OverDriveTableExternal_t *)table_context->overdrive_table;
+	struct amdgpu_device *adev = smu->adev;
+	int i;
+
+	switch (input) {
+	case PP_OD_EDIT_FAN_CURVE:
+		for (i = 0; i < NUM_OD_FAN_MAX_POINTS; i++) {
+			od_table->OverDriveTable.FanLinearTempPoints[i] =
+					boot_overdrive_table->OverDriveTable.FanLinearTempPoints[i];
+			od_table->OverDriveTable.FanLinearPwmPoints[i] =
+					boot_overdrive_table->OverDriveTable.FanLinearPwmPoints[i];
+		}
+		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;
+	}
+
+	return 0;
+}
+
 static int smu_v13_0_7_od_edit_dpm_table(struct smu_context *smu,
 					 enum PP_OD_DPM_TABLE_COMMAND type,
 					 long input[],
@@ -1783,11 +1836,17 @@ static int smu_v13_0_7_od_edit_dpm_table(struct smu_context *smu,
 		break;
 
 	case PP_OD_RESTORE_DEFAULT_TABLE:
-		feature_ctrlmask = od_table->OverDriveTable.FeatureCtrlMask;
-		memcpy(od_table,
-		       table_context->boot_overdrive_table,
-		       sizeof(OverDriveTableExternal_t));
-		od_table->OverDriveTable.FeatureCtrlMask = feature_ctrlmask;
+		if (size == 1) {
+			ret = smu_v13_0_7_od_restore_table_single(smu, input[0]);
+			if (ret)
+				return ret;
+		} else {
+			feature_ctrlmask = od_table->OverDriveTable.FeatureCtrlMask;
+			memcpy(od_table,
+					table_context->boot_overdrive_table,
+					sizeof(OverDriveTableExternal_t));
+			od_table->OverDriveTable.FeatureCtrlMask = feature_ctrlmask;
+		}
 		fallthrough;
 
 	case PP_OD_COMMIT_DPM_TABLE:
-- 
2.34.1