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Code Issues Releases Wiki Activity

drm/amdgpu: Expose more GPU sensor queries 

Add sub-queries for stable pstate shader/memory clock.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-01-17 13:18:47 +08:00 committed by Alex Deucher
parent 156a81be3f
commit 60bbade2a6
2 changed files with 22 additions and 0 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View File

@ -758,6 +758,24 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
/* get stable pstate sclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
/* get stable pstate mclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->sensor_info.type);

4
include/uapi/drm/amdgpu_drm.h
View File

@ -664,6 +664,10 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_INFO_SENSOR_VDDNB 0x6
/* Subquery id: Query graphics voltage */
#define AMDGPU_INFO_SENSOR_VDDGFX 0x7
/* Subquery id: Query GPU stable pstate shader clock */
#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
/* Number of VRAM page faults on CPU access. */
#define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E
#define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F