From 75a8957f808d7423b640b6c00c527cf655ac5bfd Mon Sep 17 00:00:00 2001 From: Prike Liang Date: Fri, 6 Sep 2019 15:13:03 +0800 Subject: [PATCH] drm/amd/powerplay: Add the interface for geting dpm current power state implement the sysfs power_dpm_state Signed-off-by: Prike Liang Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index a5cf846b50d4..2c22ba49c453 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -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) -- 2.30.2