diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index e51cf5a151e8..dcc4ccd5c44e 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -356,6 +356,35 @@ int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type, return smu_get_dpm_freq_by_index(smu, clk_type, 0xff, value); } +int smu_get_dpm_level_range(struct smu_context *smu, enum smu_clk_type clk_type, + uint32_t *min_value, uint32_t *max_value) +{ + int ret = 0; + uint32_t level_count = 0; + + if (!min_value && !max_value) + return -EINVAL; + + if (min_value) { + /* by default, level 0 clock value as min value */ + ret = smu_get_dpm_freq_by_index(smu, clk_type, 0, min_value); + if (ret) + return ret; + } + + if (max_value) { + ret = smu_get_dpm_level_count(smu, clk_type, &level_count); + if (ret) + return ret; + + ret = smu_get_dpm_freq_by_index(smu, clk_type, level_count - 1, max_value); + if (ret) + return ret; + } + + return ret; +} + bool smu_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type) { enum smu_feature_mask feature_id = 0; |