drm/amd/pm: add PrepareMp1ForUnload support for yellow carp

Driver needs to notify the PMFW when the RLC is disabled.
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -65,6 +65,7 @@ static struct cmn2asic_msg_mapping yellow_carp_message_map[SMU_MSG_MAX_COUNT] =
 	MSG_MAP(PowerUpVcn,                     PPSMC_MSG_PowerUpVcn,			1),
 	MSG_MAP(SetHardMinVcn,                  PPSMC_MSG_SetHardMinVcn,		1),
 	MSG_MAP(ActiveProcessNotify,            PPSMC_MSG_ActiveProcessNotify,		1),
+	MSG_MAP(PrepareMp1ForUnload,            PPSMC_MSG_PrepareMp1ForUnload,      1),
 	MSG_MAP(SetDriverDramAddrHigh,          PPSMC_MSG_SetDriverDramAddrHigh,	1),
 	MSG_MAP(SetDriverDramAddrLow,           PPSMC_MSG_SetDriverDramAddrLow,		1),
 	MSG_MAP(TransferTableSmu2Dram,          PPSMC_MSG_TransferTableSmu2Dram,	1),
@@ -183,6 +184,9 @@ static int yellow_carp_system_features_control(struct smu_context *smu, bool en)
 	uint32_t feature_mask[2];
 	int ret = 0;
 
+	if (!en)
+		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL);
+
 	bitmap_zero(feature->enabled, feature->feature_num);
 	bitmap_zero(feature->supported, feature->feature_num);