drm/amd/powerplay: refine pwm1_enable callback functions for vi.

Use the new enums for setting and getting the fan control mode.
Fixes problems due to previous inconsistencies between enums.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

@@ -4334,26 +4334,31 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
 
 static int smu7_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
 {
-	if (mode) {
-		/* stop auto-manage */
+	int result = 0;
+
+	switch (mode) {
+	case AMD_FAN_CTRL_NONE:
+		result = smu7_fan_ctrl_set_fan_speed_percent(hwmgr, 100);
+		break;
+	case AMD_FAN_CTRL_MANUAL:
 		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 			PHM_PlatformCaps_MicrocodeFanControl))
-			smu7_fan_ctrl_stop_smc_fan_control(hwmgr);
-		smu7_fan_ctrl_set_static_mode(hwmgr, mode);
-	} else
-		/* restart auto-manage */
-		smu7_fan_ctrl_reset_fan_speed_to_default(hwmgr);
-
-	return 0;
+			result = smu7_fan_ctrl_stop_smc_fan_control(hwmgr);
+		break;
+	case AMD_FAN_CTRL_AUTO:
+		result = smu7_fan_ctrl_set_static_mode(hwmgr, mode);
+		if (!result)
+			result = smu7_fan_ctrl_start_smc_fan_control(hwmgr);
+		break;
+	default:
+		break;
+	}
+	return result;
 }
 
 static int smu7_get_fan_control_mode(struct pp_hwmgr *hwmgr)
 {
-	if (hwmgr->fan_ctrl_is_in_default_mode)
-		return hwmgr->fan_ctrl_default_mode;
-	else
-		return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
-				CG_FDO_CTRL2, FDO_PWM_MODE);
+	return hwmgr->fan_ctrl_enabled ? AMD_FAN_CTRL_AUTO : AMD_FAN_CTRL_MANUAL;
 }
 
 static int smu7_get_sclk_od(struct pp_hwmgr *hwmgr)

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c

@@ -112,7 +112,6 @@ int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
 */
 int smu7_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
 {
-
 	if (hwmgr->fan_ctrl_is_in_default_mode) {
 		hwmgr->fan_ctrl_default_mode =
 				PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
@@ -149,7 +148,7 @@ int smu7_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
 	return 0;
 }
 
-static int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
+int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
 {
 	int result;
 
@@ -179,6 +178,7 @@ static int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
 				PPSMC_MSG_SetFanTemperatureTarget,
 				hwmgr->thermal_controller.
 				advanceFanControlParameters.ucTargetTemperature);
+	hwmgr->fan_ctrl_enabled = true;
 
 	return result;
 }
@@ -186,6 +186,7 @@ static int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
 
 int smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
 {
+	hwmgr->fan_ctrl_enabled = false;
 	return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl);
 }
 
@@ -280,7 +281,7 @@ int smu7_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
 	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 				CG_TACH_STATUS, TACH_PERIOD, tach_period);
 
-	return smu7_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
+	return smu7_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM);
 }
 
 /**

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.h

@@ -54,6 +54,6 @@ extern int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *spe
 extern int smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr);
 extern int smu7_thermal_enable_alert(struct pp_hwmgr *hwmgr);
 extern int smu7_thermal_disable_alert(struct pp_hwmgr *hwmgr);
-
+extern int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr);
 #endif
 

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

@@ -764,6 +764,7 @@ struct pp_hwmgr {
 	struct pp_thermal_controller_info thermal_controller;
 	bool fan_ctrl_is_in_default_mode;
 	uint32_t fan_ctrl_default_mode;
+	bool fan_ctrl_enabled;
 	uint32_t tmin;
 	struct phm_microcode_version_info microcode_version_info;
 	uint32_t ps_size;