From 61426114f246219e065b553d0d613f3b081a2683 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 17 Aug 2020 15:37:54 -0400 Subject: [PATCH] drm/amdgpu/swsmu: implement voltage metrics for RENOIR Grab the data from the SMU metrics table. Reviewed-by: Evan Quan Acked-by: Nirmoy Das Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c | 29 +++++++++++++++++++++++++ 1 file changed, 29 insertions(+) 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 186929c..ac81f2f 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; -- 2.7.4