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

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implement the sysfs power_dpm_state

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2019-09-06 15:13:03 +08:00 committed by Alex Deucher
parent cde85ac247
commit 75a8957f80
1 changed files with 34 additions and 0 deletions
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34
drivers/gpu/drm/amd/powerplay/renoir_ppt.c
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@ -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)