drm/amd/pm: enable mode1 reset on smu_v13_0_10

enable mode1 reset and prioritize debug port on smu_v13_0_10
as a more reliable message processing

v2 - move mode1 reset callback to smu_v13_0_0_ppt.c
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -322,6 +322,7 @@ soc21_asic_reset_method(struct amdgpu_device *adev)
 	switch (adev->ip_versions[MP1_HWIP][0]) {
 	case IP_VERSION(13, 0, 0):
 	case IP_VERSION(13, 0, 7):
+	case IP_VERSION(13, 0, 10):
 		return AMD_RESET_METHOD_MODE1;
 	case IP_VERSION(13, 0, 4):
 		return AMD_RESET_METHOD_MODE2;

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

@@ -568,6 +568,10 @@ struct smu_context
 	u32 param_reg;
 	u32 msg_reg;
 	u32 resp_reg;
+
+	u32 debug_param_reg;
+	u32 debug_msg_reg;
+	u32 debug_resp_reg;
 };
 
 struct i2c_adapter;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c

@@ -70,6 +70,26 @@
 
 #define MP0_MP1_DATA_REGION_SIZE_COMBOPPTABLE	0x4000
 
+#define mmMP1_SMN_C2PMSG_66                                                                            0x0282
+#define mmMP1_SMN_C2PMSG_66_BASE_IDX                                                                   0
+
+#define mmMP1_SMN_C2PMSG_82                                                                            0x0292
+#define mmMP1_SMN_C2PMSG_82_BASE_IDX                                                                   0
+
+#define mmMP1_SMN_C2PMSG_90                                                                            0x029a
+#define mmMP1_SMN_C2PMSG_90_BASE_IDX                                                                   0
+
+#define mmMP1_SMN_C2PMSG_75                                                                            0x028b
+#define mmMP1_SMN_C2PMSG_75_BASE_IDX                                                                   0
+
+#define mmMP1_SMN_C2PMSG_53                                                                            0x0275
+#define mmMP1_SMN_C2PMSG_53_BASE_IDX                                                                   0
+
+#define mmMP1_SMN_C2PMSG_54                                                                            0x0276
+#define mmMP1_SMN_C2PMSG_54_BASE_IDX                                                                   0
+
+#define DEBUGSMC_MSG_Mode1Reset	2
+
 static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] = {
 	MSG_MAP(TestMessage,			PPSMC_MSG_TestMessage,                 1),
 	MSG_MAP(GetSmuVersion,			PPSMC_MSG_GetSmuVersion,               1),
@@ -1763,6 +1783,35 @@ static int smu_v13_0_0_set_df_cstate(struct smu_context *smu,
 					       NULL);
 }
 
+static int smu_v13_0_0_mode1_reset(struct smu_context *smu)
+{
+	int ret;
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
+		ret = smu_cmn_send_debug_smc_msg(smu, DEBUGSMC_MSG_Mode1Reset);
+	else
+		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_Mode1Reset, NULL);
+
+	if (!ret)
+		msleep(SMU13_MODE1_RESET_WAIT_TIME_IN_MS);
+
+	return ret;
+}
+
+static void smu_v13_0_0_set_smu_mailbox_registers(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	smu->param_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_82);
+	smu->msg_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_66);
+	smu->resp_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90);
+
+	smu->debug_param_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_53);
+	smu->debug_msg_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_75);
+	smu->debug_resp_reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_54);
+}
+
 static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
 	.get_allowed_feature_mask = smu_v13_0_0_get_allowed_feature_mask,
 	.set_default_dpm_table = smu_v13_0_0_set_default_dpm_table,
@@ -1830,7 +1879,7 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
 	.baco_enter = smu_v13_0_baco_enter,
 	.baco_exit = smu_v13_0_baco_exit,
 	.mode1_reset_is_support = smu_v13_0_0_is_mode1_reset_supported,
-	.mode1_reset = smu_v13_0_mode1_reset,
+	.mode1_reset = smu_v13_0_0_mode1_reset,
 	.set_mp1_state = smu_v13_0_0_set_mp1_state,
 	.set_df_cstate = smu_v13_0_0_set_df_cstate,
 };
@@ -1844,5 +1893,5 @@ void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)
 	smu->table_map = smu_v13_0_0_table_map;
 	smu->pwr_src_map = smu_v13_0_0_pwr_src_map;
 	smu->workload_map = smu_v13_0_0_workload_map;
-	smu_v13_0_set_smu_mailbox_registers(smu);
+	smu_v13_0_0_set_smu_mailbox_registers(smu);
 }

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c

@@ -233,6 +233,18 @@ static void __smu_cmn_send_msg(struct smu_context *smu,
 	WREG32(smu->msg_reg, msg);
 }
 
+static int __smu_cmn_send_debug_msg(struct smu_context *smu,
+			       u32 msg,
+			       u32 param)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	WREG32(smu->debug_param_reg, param);
+	WREG32(smu->debug_msg_reg, msg);
+	WREG32(smu->debug_resp_reg, 0);
+
+	return 0;
+}
 /**
  * smu_cmn_send_msg_without_waiting -- send the message; don't wait for status
  * @smu: pointer to an SMU context
@@ -386,6 +398,12 @@ int smu_cmn_send_smc_msg(struct smu_context *smu,
 					       read_arg);
 }
 
+int smu_cmn_send_debug_smc_msg(struct smu_context *smu,
+			 uint32_t msg)
+{
+	return __smu_cmn_send_debug_msg(smu, msg, 0);
+}
+
 int smu_cmn_to_asic_specific_index(struct smu_context *smu,
 				   enum smu_cmn2asic_mapping_type type,
 				   uint32_t index)

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h

@@ -42,6 +42,9 @@ int smu_cmn_send_smc_msg(struct smu_context *smu,
 			 enum smu_message_type msg,
 			 uint32_t *read_arg);
 
+int smu_cmn_send_debug_smc_msg(struct smu_context *smu,
+			 uint32_t msg);
+
 int smu_cmn_wait_for_response(struct smu_context *smu);
 
 int smu_cmn_to_asic_specific_index(struct smu_context *smu,