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
|
From 37bfa53bffda20d78102af0b0a8f369de4eb26e7 Mon Sep 17 00:00:00 2001
From: Likun Gao <Likun.Gao@amd.com>
Date: Fri, 25 Jan 2019 18:29:31 +0800
Subject: [PATCH 1476/2940] drm/amd/powerplay: add fan rpm limit interface for
hwmon
Add fan1_min and fan2_max function for hwmon.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 48174df19105..8d2531845fd8 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1092,6 +1092,8 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
{
+ struct smu_table_context *table_context = &smu->smu_table;
+ PPTable_t *pptable = table_context->driver_pptable;
int ret = 0;
switch (sensor) {
case AMDGPU_PP_SENSOR_GPU_LOAD:
@@ -1127,6 +1129,14 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
*(uint32_t *)data = smu_feature_is_enabled(smu, FEATURE_DPM_VCE_BIT) ? 1 : 0;
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
+ *(uint32_t *)data = 0;
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
+ *(uint32_t *)data = pptable->FanMaximumRpm;
+ *size = 4;
+ break;
default:
ret = smu_common_read_sensor(smu, sensor, data, size);
break;
--
2.17.1
|
