1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
From fd143dfbd42a0e457c8b9aad31eea817ce70adf7 Mon Sep 17 00:00:00 2001
From: Kevin Wang <Kevin1.Wang@amd.com>
Date: Wed, 16 Jan 2019 13:27:52 +0800
Subject: [PATCH 1414/2940] drm/amd/powerplay: implement sensor of
get_gpu_power for smu11
add sensor interface of get gpu power for debugfs and hwmon.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index d84593abbb5e..e27ae9c63ff8 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1032,6 +1032,23 @@ static int smu_v11_0_thermal_get_temperature(struct smu_context *smu, uint32_t *
return 0;
}
+static int smu_v11_0_get_gpu_power(struct smu_context *smu, uint32_t *value)
+{
+ int ret = 0;
+ SmuMetrics_t metrics;
+
+ if (!value)
+ return -EINVAL;
+
+ ret = smu_update_table(smu, TABLE_SMU_METRICS, (void *)&metrics, false);
+ if (ret)
+ return ret;
+
+ *value = metrics.CurrSocketPower << 8;
+
+ return 0;
+}
+
static int smu_v11_0_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
@@ -1055,6 +1072,10 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
ret = smu_v11_0_thermal_get_temperature(smu, (uint32_t *)data);
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_GPU_POWER:
+ ret = smu_v11_0_get_gpu_power(smu, (uint32_t *)data);
+ *size = 4;
+ break;
default:
ret = -EINVAL;
break;
--
2.17.1
|