Commit 75a8957f authored by Prike Liang's avatar Prike Liang Committed by Alex Deucher
Browse files

drm/amd/powerplay: Add the interface for geting dpm current power state



implement the sysfs power_dpm_state

Signed-off-by: default avatarPrike Liang <Prike.Liang@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cde85ac2
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+34 −0
Original line number Diff line number Diff line
@@ -246,6 +246,38 @@ static int renoir_print_clk_levels(struct smu_context *smu,
	return size;
}

static enum amd_pm_state_type renoir_get_current_power_state(struct smu_context *smu)
{
	enum amd_pm_state_type pm_type;
	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);

	if (!smu_dpm_ctx->dpm_context ||
	    !smu_dpm_ctx->dpm_current_power_state)
		return -EINVAL;

	mutex_lock(&(smu->mutex));
	switch (smu_dpm_ctx->dpm_current_power_state->classification.ui_label) {
	case SMU_STATE_UI_LABEL_BATTERY:
		pm_type = POWER_STATE_TYPE_BATTERY;
		break;
	case SMU_STATE_UI_LABEL_BALLANCED:
		pm_type = POWER_STATE_TYPE_BALANCED;
		break;
	case SMU_STATE_UI_LABEL_PERFORMANCE:
		pm_type = POWER_STATE_TYPE_PERFORMANCE;
		break;
	default:
		if (smu_dpm_ctx->dpm_current_power_state->classification.flags & SMU_STATE_CLASSIFICATION_FLAG_BOOT)
			pm_type = POWER_STATE_TYPE_INTERNAL_BOOT;
		else
			pm_type = POWER_STATE_TYPE_DEFAULT;
		break;
	}
	mutex_unlock(&(smu->mutex));

	return pm_type;
}

static const struct pptable_funcs renoir_ppt_funcs = {
	.get_smu_msg_index = renoir_get_smu_msg_index,
	.get_smu_table_index = renoir_get_smu_table_index,
@@ -253,6 +285,8 @@ static const struct pptable_funcs renoir_ppt_funcs = {
	.set_power_state = NULL,
	.get_dpm_uclk_limited = renoir_get_dpm_uclk_limited,
	.print_clk_levels = renoir_print_clk_levels,
	.get_current_power_state = renoir_get_current_power_state,

};

void renoir_set_ppt_funcs(struct smu_context *smu)