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From 8dcca48dd79c24e8c92a42282025116ca5205299 Mon Sep 17 00:00:00 2001
From: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Date: Wed, 4 Dec 2019 13:35:18 +0800
Subject: [PATCH 4728/4736] drm/amd/powerplay: implement interface to retrieve
gpu temperature for renoir
add sensor interface of get gpu temperature for debugfs.
Change-Id: I2499b6652fad6d5d776b6ed4cd5157636583ed39
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index c982f69065ae..be3c996728b1 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -412,6 +412,24 @@ static int renoir_unforce_dpm_levels(struct smu_context *smu) {
return ret;
}
+static int renoir_get_gpu_temperature(struct smu_context *smu, uint32_t *value)
+{
+ int ret = 0;
+ SmuMetrics_t metrics;
+
+ if (!value)
+ return -EINVAL;
+
+ ret = renoir_get_metrics_table(smu, &metrics);
+ if (ret)
+ return ret;
+
+ *value = (metrics.GfxTemperature / 100) *
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
+
+ return 0;
+}
+
static int renoir_get_current_activity_percent(struct smu_context *smu,
enum amd_pp_sensors sensor,
uint32_t *value)
@@ -767,6 +785,10 @@ static int renoir_read_sensor(struct smu_context *smu,
ret = renoir_get_current_activity_percent(smu, sensor, (uint32_t *)data);
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_GPU_TEMP:
+ ret = renoir_get_gpu_temperature(smu, (uint32_t *)data);
+ *size = 4;
+ break;
default:
ret = smu_v12_0_read_sensor(smu, sensor, data, size);
}
--
2.17.1
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