[AMD Official Use Only - Internal Distribution Only]
ping
-----Original Message-----
From: Roy Sun <Roy.Sun@xxxxxxx>
Sent: Monday, April 12, 2021 8:15 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Sun, Roy <Roy.Sun@xxxxxxx>
Subject: [PATCH] drm/amd/amdgpu: Expose some power info through AMDGPU_INFO
Add interface to get the mm clock, temperature and memory load
Signed-off-by: Roy Sun <Roy.Sun@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 50 +++++++++++++++++++++++++
include/uapi/drm/amdgpu_drm.h | 12 ++++++
2 files changed, 62 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index b2e774aeab45..e5b16e0819ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -971,6 +971,56 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
}
ui32 /= 100;
break;
+ case AMDGPU_INFO_SENSOR_UVD_VCLK:
+ /* get mm vclk in Mhz */
+ if (amdgpu_dpm_read_sensor(adev,
+ AMDGPU_PP_SENSOR_UVD_VCLK,
+ (void *)&ui32, &ui32_size)) {
+ return -EINVAL;
+ }
+ ui32 /= 100;
+ break;
+ case AMDGPU_INFO_SENSOR_UVD_DCLK:
+ /* get mm dclk in Mhz */
+ if (amdgpu_dpm_read_sensor(adev,
+ AMDGPU_PP_SENSOR_UVD_DCLK,
+ (void *)&ui32, &ui32_size)) {
+ return -EINVAL;
+ }
+ ui32 /= 100;
+ break;
+ case AMDGPU_INFO_SENSOR_HOTSPOT_TEMP:
+ /* get junction temperature */
+ if (amdgpu_dpm_read_sensor(adev,
+ AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
+ (void *)&ui32, &ui32_size)) {
+ return -EINVAL;
+ }
+ break;
+ case AMDGPU_INFO_SENSOR_EDGE_TEMP:
+ /* get current edge temperature */
+ if (amdgpu_dpm_read_sensor(adev,
+ AMDGPU_PP_SENSOR_EDGE_TEMP,
+ (void *)&ui32, &ui32_size)) {
+ return -EINVAL;
+ }
+ break;
+ case AMDGPU_INFO_SENSOR_MEM_TEMP:
+ /* get current memory temperature */
+ if (amdgpu_dpm_read_sensor(adev,
+ AMDGPU_PP_SENSOR_MEM_TEMP,
+ (void *)&ui32, &ui32_size)) {
+ return -EINVAL;
+ }
+ break;
+ case AMDGPU_INFO_SENSOR_MEM_LOAD:
+ /* get memory load */
+ if (amdgpu_dpm_read_sensor(adev,
+ AMDGPU_PP_SENSOR_MEM_LOAD,
+ (void *)&ui32, &ui32_size)) {
+ return -EINVAL;
+ }
+ break;
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->sensor_info.type);
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 8b832f7458f2..484c72e17c72 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -780,6 +780,18 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK 0x8
/* Subquery id: Query GPU stable pstate memory clock */
#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK 0x9
+ /* Subquery id: Query GPU mm vclk */
+ #define AMDGPU_INFO_SENSOR_UVD_VCLK 0xa
+ /* Subquery id: Query GPU mm dclk */
+ #define AMDGPU_INFO_SENSOR_UVD_DCLK 0xb
+ /* Subquery id: Query junction temperature */
+ #define AMDGPU_INFO_SENSOR_HOTSPOT_TEMP 0xc
+ /* Subquery id: Query edge temperature */
+ #define AMDGPU_INFO_SENSOR_EDGE_TEMP 0xd
+ /* Subquery id: Query memory temperature */
+ #define AMDGPU_INFO_SENSOR_MEM_TEMP 0xe
+ /* Subquery id: Query Memory load */
+ #define AMDGPU_INFO_SENSOR_MEM_LOAD 0xf
/* Number of VRAM page faults on CPU access. */
#define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E
#define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F
--
2.31.1
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