diff options
| author | Likun Gao <Likun.Gao@amd.com> | 2019-01-11 18:47:14 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:59 -0500 |
| commit | 6d7c830271ad5c54a3ee04fef0420ec89d6e37fd (patch) | |
| tree | a279dcf77c20c624aa8983fff2ac173c39a7da5d /drivers/gpu/drm/amd/powerplay/vega20_ppt.c | |
| parent | 95add9591adab7002e203d5c1c57796e752b15e5 (diff) | |
drm/amd/powerplay: print overdrive percentage information for smu11
Add function to get sclk or mclk overdrive percentage information for smu11.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/vega20_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index aa7f41a59e82..42eb82832b3e 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -1120,6 +1120,42 @@ static int vega20_set_default_od8_setttings(struct smu_context *smu) return 0; } +static int vega20_get_od_percentage(struct smu_context *smu, + enum pp_clock_type type) +{ + struct smu_dpm_context *smu_dpm = &smu->smu_dpm; + struct vega20_dpm_table *dpm_table = NULL; + struct vega20_dpm_table *golden_table = NULL; + struct vega20_single_dpm_table *single_dpm_table; + struct vega20_single_dpm_table *golden_dpm_table; + int value, golden_value; + + dpm_table = smu_dpm->dpm_context; + golden_table = smu_dpm->golden_dpm_context; + + switch (type) { + case OD_SCLK: + single_dpm_table = &(dpm_table->gfx_table); + golden_dpm_table = &(golden_table->gfx_table); + break; + case OD_MCLK: + single_dpm_table = &(dpm_table->mem_table); + golden_dpm_table = &(golden_table->mem_table); + break; + default: + return -EINVAL; + break; + } + + value = single_dpm_table->dpm_levels[single_dpm_table->count - 1].value; + golden_value = golden_dpm_table->dpm_levels[golden_dpm_table->count - 1].value; + + value -= golden_value; + value = DIV_ROUND_UP(value * 100, golden_value); + + return value; +} + static const struct pptable_funcs vega20_ppt_funcs = { .alloc_dpm_context = vega20_allocate_dpm_context, .store_powerplay_table = vega20_store_powerplay_table, @@ -1134,6 +1170,7 @@ static const struct pptable_funcs vega20_ppt_funcs = { .force_clk_levels = vega20_force_clk_levels, .get_clock_by_type_with_latency = vega20_get_clock_by_type_with_latency, .set_default_od8_settings = vega20_set_default_od8_setttings, + .get_od_percentage = vega20_get_od_percentage, }; void vega20_set_ppt_funcs(struct smu_context *smu) |