the hwmon interface need temperature sensor type support.
1. SENSOR_HOTSPOT_TEMP
2. SENSOR_EDGE_TEMP(SENSOR_GPU_TEMP)
3. SENSOR_MEM_TEMP
Change-Id: I3db762e4032072fae67c95b7ba6d62e20ae5bead
Signed-off-by: Kevin Wang <kevin1.wang@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 7574a02350c6..d5876c2393e7 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1255,6 +1255,42 @@ static int navi10_set_watermarks_table(struct smu_context *smu,
return 0;
}
+static int navi10_thermal_get_temperature(struct smu_context *smu,
+ enum amd_pp_sensors sensor,
+ uint32_t *value)
+{
+ SmuMetrics_t metrics;
+ int ret = 0;
+
+ if (!value)
+ return -EINVAL;
+
+ ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, (void *)&metrics, false);
+ if (ret)
+ return ret;
+
+ switch (sensor) {
+ case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
+ *value = metrics.TemperatureHotspot *
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ break;
+ case AMDGPU_PP_SENSOR_GPU_TEMP:
+ case AMDGPU_PP_SENSOR_EDGE_TEMP:
+ *value = metrics.TemperatureEdge *
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ break;
+ case AMDGPU_PP_SENSOR_MEM_TEMP:
+ *value = metrics.TemperatureVrMem0 *
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ break;
+ default:
+ pr_err("Invalid sensor for retrieving temp\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int navi10_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
@@ -1276,6 +1312,12 @@ static int navi10_read_sensor(struct smu_context *smu,
ret = navi10_get_gpu_power(smu, (uint32_t *)data);
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
+ case AMDGPU_PP_SENSOR_EDGE_TEMP:
+ case AMDGPU_PP_SENSOR_MEM_TEMP:
+ ret = navi10_thermal_get_temperature(smu, sensor, (uint32_t *)data);
+ *size = 4;
+ break;
default:
return -EINVAL;
}
--
2.22.0
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