drm/amd/pm: Add DCBTC support for aldebaran

On aldebaran DCBTC should be run after enabling DPM. DCBTC won't be run
if support is not enabled in PPTable. Without PPTable support the message
is dummy and will return success always.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -425,16 +425,13 @@ static int aldebaran_setup_pptable(struct smu_context *smu)
 
 static int aldebaran_run_btc(struct smu_context *smu)
 {
-	/* int ret = 0; */
+	int ret;
 
-	/* ret = smu_cmn_send_smc_msg(smu, SMU_MSG_RunAfllBtc, NULL); */
-	/* if (ret) { */
-	/* dev_err(smu->adev->dev, "RunAfllBtc failed!\n"); */
-	/* return ret; */
-	/* } */
+	ret = smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL);
+	if (ret)
+		dev_err(smu->adev->dev, "RunDcBtc failed!\n");
 
-	/* return smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL); */
-	return 0;
+	return ret;
 }
 
 static int aldebaran_populate_umd_state_clk(struct smu_context *smu)
@@ -1092,6 +1089,17 @@ static int aldebaran_get_power_limit(struct smu_context *smu)
 	return 0;
 }
 
+static int aldebaran_system_features_control(struct  smu_context *smu, bool enable)
+{
+	int ret;
+
+	ret = smu_v13_0_system_features_control(smu, enable);
+	if (!ret && enable)
+		ret = aldebaran_run_btc(smu);
+
+	return ret;
+}
+
 static int aldebaran_set_performance_level(struct smu_context *smu,
 					   enum amd_dpm_forced_level level)
 {
@@ -1300,8 +1308,6 @@ static bool aldebaran_is_mode2_reset_supported(struct smu_context *smu)
 static const struct pptable_funcs aldebaran_ppt_funcs = {
 	/* init dpm */
 	.get_allowed_feature_mask = aldebaran_get_allowed_feature_mask,
-	/* btc */
-	.run_btc = aldebaran_run_btc,
 	/* dpm/clk tables */
 	.set_default_dpm_table = aldebaran_set_default_dpm_table,
 	.populate_umd_state_clk = aldebaran_populate_umd_state_clk,
@@ -1329,7 +1335,7 @@ static const struct pptable_funcs aldebaran_ppt_funcs = {
 	.set_driver_table_location = smu_v13_0_set_driver_table_location,
 	.set_tool_table_location = smu_v13_0_set_tool_table_location,
 	.notify_memory_pool_location = smu_v13_0_notify_memory_pool_location,
-	.system_features_control = smu_v13_0_system_features_control,
+	.system_features_control = aldebaran_system_features_control,
 	.send_smc_msg_with_param = smu_cmn_send_smc_msg_with_param,
 	.send_smc_msg = smu_cmn_send_smc_msg,
 	.get_enabled_mask = smu_cmn_get_enabled_mask,