drm/amd/pm: enable GPO dynamic control support for SMU13.0.0

To better support UMD pstate profilings, the GPO feature needs
to be switched on/off accordingly.

Signed-off-by: Evan Quan <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected] # 6.0.x

Author: Evan Quan

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

@@ -241,7 +241,8 @@
 	__SMU_DUMMY_MAP(GetGfxOffEntryCount),		 \
 	__SMU_DUMMY_MAP(LogGfxOffResidency),			\
 	__SMU_DUMMY_MAP(SetNumBadMemoryPagesRetired),		\
-	__SMU_DUMMY_MAP(SetBadMemoryPagesRetiredFlagsPerChannel),
+	__SMU_DUMMY_MAP(SetBadMemoryPagesRetiredFlagsPerChannel), \
+	__SMU_DUMMY_MAP(AllowGpo),
 
 #undef __SMU_DUMMY_MAP
 #define __SMU_DUMMY_MAP(type)	SMU_MSG_##type

drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h

@@ -272,6 +272,9 @@ int smu_v13_0_init_pptable_microcode(struct smu_context *smu);
 
 int smu_v13_0_run_btc(struct smu_context *smu);
 
+int smu_v13_0_gpo_control(struct smu_context *smu,
+			  bool enablement);
+
 int smu_v13_0_deep_sleep_control(struct smu_context *smu,
 				 bool enablement);
 

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -2180,6 +2180,21 @@ int smu_v13_0_run_btc(struct smu_context *smu)
 	return res;
 }
 
+int smu_v13_0_gpo_control(struct smu_context *smu,
+			  bool enablement)
+{
+	int res;
+
+	res = smu_cmn_send_smc_msg_with_param(smu,
+					      SMU_MSG_AllowGpo,
+					      enablement ? 1 : 0,
+					      NULL);
+	if (res)
+		dev_err(smu->adev->dev, "SetGpoAllow %d failed!\n", enablement);
+
+	return res;
+}
+
 int smu_v13_0_deep_sleep_control(struct smu_context *smu,
 				 bool enablement)
 {

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

@@ -144,6 +144,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] =
 	MSG_MAP(SetNumBadMemoryPagesRetired,	PPSMC_MSG_SetNumBadMemoryPagesRetired,   0),
 	MSG_MAP(SetBadMemoryPagesRetiredFlagsPerChannel,
 			    PPSMC_MSG_SetBadMemoryPagesRetiredFlagsPerChannel,   0),
+	MSG_MAP(AllowGpo,			PPSMC_MSG_SetGpoAllow,           0),
 };
 
 static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = {
@@ -1949,6 +1950,7 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
 	.set_df_cstate = smu_v13_0_0_set_df_cstate,
 	.send_hbm_bad_pages_num = smu_v13_0_0_smu_send_bad_mem_page_num,
 	.send_hbm_bad_channel_flag = smu_v13_0_0_send_bad_mem_channel_flag,
+	.gpo_control = smu_v13_0_gpo_control,
 };
 
 void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)