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| author | Alex Deucher <alexander.deucher@amd.com> | 2020-08-17 15:37:54 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-18 18:22:31 -0400 |
| commit | 61426114f246219e065b553d0d613f3b081a2683 (patch) | |
| tree | b2760330d70df1852e5625b1470464773756765b /drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c | |
| parent | d0eb1b5ceb2049dee32c469e4242ee7400504b48 (diff) | |
| download | linux-61426114f246219e065b553d0d613f3b081a2683.tar.bz2 | |
drm/amdgpu/swsmu: implement voltage metrics for RENOIR
Grab the data from the SMU metrics table.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c index 186929c31e9e..ac81f2f605a2 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c @@ -616,6 +616,27 @@ static int renoir_get_current_activity_percent(struct smu_context *smu, return 0; } +static int renoir_get_vddc(struct smu_context *smu, uint32_t *value, + unsigned int index) +{ + int ret = 0; + SmuMetrics_t metrics; + + if (index >= 2) + return -EINVAL; + + if (!value) + return -EINVAL; + + ret = smu_cmn_get_metrics_table(smu, &metrics, false); + if (ret) + return ret; + + *value = metrics.Voltage[index]; + + return 0; +} + /** * This interface get dpm clock table for dc */ @@ -952,6 +973,14 @@ static int renoir_read_sensor(struct smu_context *smu, *(uint32_t *)data *= 100; *size = 4; break; + case AMDGPU_PP_SENSOR_VDDGFX: + ret = renoir_get_vddc(smu, (uint32_t *)data, 0); + *size = 4; + break; + case AMDGPU_PP_SENSOR_VDDNB: + ret = renoir_get_vddc(smu, (uint32_t *)data, 1); + *size = 4; + break; default: ret = -EOPNOTSUPP; break; |