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| author | Prike Liang <Prike.Liang@amd.com> | 2019-09-06 15:13:03 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-16 09:59:07 -0500 |
| commit | 75a8957f808d7423b640b6c00c527cf655ac5bfd (patch) | |
| tree | accbef499f38a6e41f2d8798194f906948b2e461 | |
| parent | cde85ac247841d3dda4e907e1d31ba4eaf0ff7c4 (diff) | |
| download | linux-75a8957f808d7423b640b6c00c527cf655ac5bfd.tar.bz2 | |
drm/amd/powerplay: Add the interface for geting dpm current power state
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>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 34 |
1 files changed, 34 insertions, 0 deletions
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) |