drm/amd/pm: integrate plpd allow/disallow into select_xgmi_plpd_policy in ppt level

The allow_xgmi_power_down(true/false) will be generally replaced by:
  - allow: select_xgmi_plpd_policy(XGMI_PLPD_DEFAULT)
  - disallow: select_xgmi_plpd_policy(XGMI_PLPD_DISALLOW)
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c

@@ -2227,7 +2227,8 @@ static int arcturus_set_df_cstate(struct smu_context *smu,
 	return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state, NULL);
 }
 
-static int arcturus_allow_xgmi_power_down(struct smu_context *smu, bool en)
+static int arcturus_select_xgmi_plpd_policy(struct smu_context *smu,
+					    enum pp_xgmi_plpd_mode mode)
 {
 	uint32_t smu_version;
 	int ret;
@@ -2244,16 +2245,16 @@ static int arcturus_allow_xgmi_power_down(struct smu_context *smu, bool en)
 		return -EINVAL;
 	}
 
-	if (en)
+	if (mode == XGMI_PLPD_DEFAULT)
 		return smu_cmn_send_smc_msg_with_param(smu,
 						   SMU_MSG_GmiPwrDnControl,
-						   1,
-						   NULL);
-
-	return smu_cmn_send_smc_msg_with_param(smu,
-					   SMU_MSG_GmiPwrDnControl,
-					   0,
-					   NULL);
+						   1, NULL);
+	else if (mode == XGMI_PLPD_DISALLOW)
+		return smu_cmn_send_smc_msg_with_param(smu,
+						   SMU_MSG_GmiPwrDnControl,
+						   0, NULL);
+	else
+		return -EINVAL;
 }
 
 static const struct throttling_logging_label {
@@ -2455,7 +2456,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
 	.get_dpm_ultimate_freq = smu_v11_0_get_dpm_ultimate_freq,
 	.set_soft_freq_limited_range = smu_v11_0_set_soft_freq_limited_range,
 	.set_df_cstate = arcturus_set_df_cstate,
-	.allow_xgmi_power_down = arcturus_allow_xgmi_power_down,
+	.select_xgmi_plpd_policy = arcturus_select_xgmi_plpd_policy,
 	.log_thermal_throttling_event = arcturus_log_thermal_throttling_event,
 	.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
 	.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,

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

@@ -1604,20 +1604,27 @@ static int aldebaran_set_df_cstate(struct smu_context *smu,
 	return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state, NULL);
 }
 
-static int aldebaran_allow_xgmi_power_down(struct smu_context *smu, bool en)
+static int aldebaran_select_xgmi_plpd_policy(struct smu_context *smu,
+					     enum pp_xgmi_plpd_mode mode)
 {
 	struct amdgpu_device *adev = smu->adev;
 
 	/* The message only works on master die and NACK will be sent
 	   back for other dies, only send it on master die */
-	if (!adev->smuio.funcs->get_socket_id(adev) &&
-	    !adev->smuio.funcs->get_die_id(adev))
+	if (adev->smuio.funcs->get_socket_id(adev) ||
+	    adev->smuio.funcs->get_die_id(adev))
+		return 0;
+
+	if (mode == XGMI_PLPD_DEFAULT)
+		return smu_cmn_send_smc_msg_with_param(smu,
+						       SMU_MSG_GmiPwrDnControl,
+						       0, NULL);
+	else if (mode == XGMI_PLPD_DISALLOW)
 		return smu_cmn_send_smc_msg_with_param(smu,
-				   SMU_MSG_GmiPwrDnControl,
-				   en ? 0 : 1,
-				   NULL);
+						       SMU_MSG_GmiPwrDnControl,
+						       1, NULL);
 	else
-		return 0;
+		return -EINVAL;
 }
 
 static const struct throttling_logging_label {
@@ -2072,7 +2079,7 @@ static const struct pptable_funcs aldebaran_ppt_funcs = {
 	.set_soft_freq_limited_range = aldebaran_set_soft_freq_limited_range,
 	.od_edit_dpm_table = aldebaran_usr_edit_dpm_table,
 	.set_df_cstate = aldebaran_set_df_cstate,
-	.allow_xgmi_power_down = aldebaran_allow_xgmi_power_down,
+	.select_xgmi_plpd_policy = aldebaran_select_xgmi_plpd_policy,
 	.log_thermal_throttling_event = aldebaran_log_thermal_throttling_event,
 	.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
 	.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

@@ -1897,12 +1897,6 @@ static int smu_v13_0_6_set_df_cstate(struct smu_context *smu,
 					       state, NULL);
 }
 
-static int smu_v13_0_6_allow_xgmi_power_down(struct smu_context *smu, bool en)
-{
-	return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GmiPwrDnControl,
-					       en ? 0 : 1, NULL);
-}
-
 static const char *const throttling_logging_label[] = {
 	[THROTTLER_PROCHOT_BIT] = "Prochot",
 	[THROTTLER_PPT_BIT] = "PPT",
@@ -2730,13 +2724,22 @@ static int smu_v13_0_6_select_xgmi_plpd_policy(struct smu_context *smu,
 	case XGMI_PLPD_OPTIMIZED:
 		param = PPSMC_PLPD_MODE_OPTIMIZED;
 		break;
+	case XGMI_PLPD_DISALLOW:
+		param = 0;
+		break;
 	default:
 		return -EINVAL;
 	}
 
-	/* change xgmi per-link power down policy */
-	ret = smu_cmn_send_smc_msg_with_param(
-		smu, SMU_MSG_SelectPLPDMode, param, NULL);
+	if (mode == XGMI_PLPD_DISALLOW)
+		ret = smu_cmn_send_smc_msg_with_param(smu,
+						      SMU_MSG_GmiPwrDnControl,
+						      param, NULL);
+	else
+		/* change xgmi per-link power down policy */
+		ret = smu_cmn_send_smc_msg_with_param(smu,
+						      SMU_MSG_SelectPLPDMode,
+						      param, NULL);
 
 	if (ret)
 		dev_err(adev->dev,
@@ -2785,7 +2788,6 @@ static const struct pptable_funcs smu_v13_0_6_ppt_funcs = {
 	.set_soft_freq_limited_range = smu_v13_0_6_set_soft_freq_limited_range,
 	.od_edit_dpm_table = smu_v13_0_6_usr_edit_dpm_table,
 	.set_df_cstate = smu_v13_0_6_set_df_cstate,
-	.allow_xgmi_power_down = smu_v13_0_6_allow_xgmi_power_down,
 	.select_xgmi_plpd_policy = smu_v13_0_6_select_xgmi_plpd_policy,
 	.log_thermal_throttling_event = smu_v13_0_6_log_thermal_throttling_event,
 	.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,