[Public] Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx> -----Original Message----- From: Sundararaju, Sathishkumar <Sathishkumar.Sundararaju@xxxxxxx> Sent: Thursday, June 10, 2021 10:04 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Sharma, Shashank <Shashank.Sharma@xxxxxxx>; Sundararaju, Sathishkumar <Sathishkumar.Sundararaju@xxxxxxx> Subject: [PATCH] drm/amd/pm: support ss metrics read on renoir add support to read smart shift apu and dgpu power share on renoir. Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@xxxxxxx> --- .../gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c | 34 +++++++++++++++++++ 1 file changed, 34 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 ccfcfcf18e4d..9a9c24a6ec35 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c @@ -1180,6 +1180,28 @@ static int renoir_get_smu_metrics_data(struct smu_context *smu, case METRICS_VOLTAGE_VDDSOC: *value = metrics->Voltage[1]; break; + case METRICS_SS_APU_SHARE: + /* return the percentage of APU power with respect to APU's power limit. + * percentage is reported, this isn't boost value. Smartshift power + * boost/shift is only when the percentage is more than 100. + */ + if (metrics->StapmOriginalLimit > 0) + *value = (metrics->ApuPower * 100) / metrics->StapmOriginalLimit; + else + *value = 0; + break; + case METRICS_SS_DGPU_SHARE: + /* return the percentage of dGPU power with respect to dGPU's power limit. + * percentage is reported, this isn't boost value. Smartshift power + * boost/shift is only when the percentage is more than 100. + */ + if ((metrics->dGpuPower > 0) && + (metrics->StapmCurrentLimit > metrics->StapmOriginalLimit)) + *value = (metrics->dGpuPower * 100) / + (metrics->StapmCurrentLimit - metrics->StapmOriginalLimit); + else + *value = 0; + break; default: *value = UINT_MAX; break; @@ -1251,6 +1273,18 @@ static int renoir_read_sensor(struct smu_context *smu, (uint32_t *)data); *size = 4; break; + case AMDGPU_PP_SENSOR_SS_APU_SHARE: + ret = renoir_get_smu_metrics_data(smu, + METRICS_SS_APU_SHARE, + (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_SS_DGPU_SHARE: + ret = renoir_get_smu_metrics_data(smu, + METRICS_SS_DGPU_SHARE, + (uint32_t *)data); + *size = 4; + break; default: ret = -EOPNOTSUPP; break; -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
