add support to read smart shift apu and dgpu power share
on renoir.
Signed-off-by: Sathishkumar S <[email protected]>
---
.../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
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