Commit fcd1ac96 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/pm: enable power limit retrieving and setting for SMU 13.0.0 



Fulfill the interfaces for retrieving and setting power limit on
SMU 13.0.0.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 38c1c736

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

+42 −0
Original line number Diff line number Diff line
@@ -114,6 +114,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] = 
	MSG_MAP(AllowGfxOff,			PPSMC_MSG_AllowGfxOff,                 0),

	MSG_MAP(DisallowGfxOff,			PPSMC_MSG_DisallowGfxOff,              0),

	MSG_MAP(SetMGpuFanBoostLimitRpm,	PPSMC_MSG_SetMGpuFanBoostLimitRpm,     0),

	MSG_MAP(GetPptLimit,			PPSMC_MSG_GetPptLimit,                 0),

};



static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = {
@@ -138,6 +139,7 @@ static struct cmn2asic_mapping smu_v13_0_0_feature_mask_map[SMU_FEATURE_COUNT] = 
	[SMU_FEATURE_DPM_VCLK_BIT] = {1, FEATURE_MM_DPM_BIT},

	[SMU_FEATURE_DPM_DCLK_BIT] = {1, FEATURE_MM_DPM_BIT},

	[SMU_FEATURE_FAN_CONTROL_BIT] = {1, FEATURE_FAN_CONTROL_BIT},

	[SMU_FEATURE_PPT_BIT] = {1, FEATURE_THROTTLERS_BIT},

};



static struct cmn2asic_mapping smu_v13_0_0_table_map[SMU_TABLE_COUNT] = {
@@ -1305,6 +1307,44 @@ static int smu_v13_0_0_enable_mgpu_fan_boost(struct smu_context *smu) 
					       NULL);

}



static int smu_v13_0_0_get_power_limit(struct smu_context *smu,

				       uint32_t *current_power_limit,

				       uint32_t *default_power_limit,

				       uint32_t *max_power_limit)

{

	struct smu_table_context *table_context = &smu->smu_table;

	struct smu_13_0_0_powerplay_table *powerplay_table =

		(struct smu_13_0_0_powerplay_table *)table_context->power_play_table;

	PPTable_t *pptable = table_context->driver_pptable;

	SkuTable_t *skutable = &pptable->SkuTable;

	uint32_t power_limit, od_percent;



	if (smu_v13_0_get_current_power_limit(smu, &power_limit))

		power_limit = smu->adev->pm.ac_power ?

			      skutable->SocketPowerLimitAc[PPT_THROTTLER_PPT0] :

			      skutable->SocketPowerLimitDc[PPT_THROTTLER_PPT0];



	if (current_power_limit)

		*current_power_limit = power_limit;

	if (default_power_limit)

		*default_power_limit = power_limit;



	if (max_power_limit) {

		if (smu->od_enabled) {

			od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);



			dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit);



			power_limit *= (100 + od_percent);

			power_limit /= 100;

		}

		*max_power_limit = power_limit;

	}



	return 0;

}





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,
@@ -1351,6 +1391,8 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = { 
	.get_fan_control_mode = smu_v13_0_get_fan_control_mode,

	.set_fan_control_mode = smu_v13_0_set_fan_control_mode,

	.enable_mgpu_fan_boost = smu_v13_0_0_enable_mgpu_fan_boost,

	.get_power_limit = smu_v13_0_0_get_power_limit,

	.set_power_limit = smu_v13_0_set_power_limit,

};



void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)