Commit 1e46ab91 authored by Yang Wang's avatar Yang Wang Committed by Alex Deucher
Browse files

drm/amd/pm: add smu power_limit callback for smu_v13_0_7 



- get_power_limit
- set_power_limit

add above callback functions to enable power_cap hwmon node.

Signed-off-by: default avatarYang Wang <KevinYang.Wang@amd.com>
Reviewed-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d72a475b

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

+39 −0
Original line number Diff line number Diff line
@@ -1367,6 +1367,43 @@ static int smu_v13_0_7_enable_mgpu_fan_boost(struct smu_context *smu) 
					       NULL);

}



static int smu_v13_0_7_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_7_powerplay_table *powerplay_table =

		(struct smu_13_0_7_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_7_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 int smu_v13_0_7_get_power_profile_mode(struct smu_context *smu, char *buf)

{

	DpmActivityMonitorCoeffIntExternal_t activity_monitor_external[PP_SMC_POWER_PROFILE_COUNT];
@@ -1539,6 +1576,8 @@ static const struct pptable_funcs smu_v13_0_7_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_7_enable_mgpu_fan_boost,

	.get_power_limit = smu_v13_0_7_get_power_limit,

	.set_power_limit = smu_v13_0_set_power_limit,

	.get_power_profile_mode = smu_v13_0_7_get_power_profile_mode,

	.set_power_profile_mode = smu_v13_0_7_set_power_profile_mode,

	.set_tool_table_location = smu_v13_0_set_tool_table_location,