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| author | Evan Quan <evan.quan@amd.com> | 2020-07-23 13:03:35 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-06 22:43:56 +0300 |
| commit | 25c933b1c4fcfaa65ed735e9782fdb2622f7b7e8 (patch) | |
| tree | 62540978bc7a1f76b0c88928ebb550b9372336e4 /drivers/gpu/drm/amd/powerplay | |
| parent | 39c5a1cef84b4bc70123400d75f0fe637e1df6a6 (diff) | |
| download | linux-25c933b1c4fcfaa65ed735e9782fdb2622f7b7e8.tar.xz | |
drm/amd/powerplay: add new sysfs interface for retrieving gpu metrics(V2)
A new interface for UMD to retrieve gpu metrics data.
V2: rich the documentation
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index d03b4852ed5f..f3f50b5add99 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -2516,3 +2516,23 @@ int smu_get_dpm_clock_table(struct smu_context *smu, return ret; } + +ssize_t smu_sys_get_gpu_metrics(struct smu_context *smu, + void **table) +{ + ssize_t size; + + if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) + return -EOPNOTSUPP; + + if (!smu->ppt_funcs->get_gpu_metrics) + return -EOPNOTSUPP; + + mutex_lock(&smu->mutex); + + size = smu->ppt_funcs->get_gpu_metrics(smu, table); + + mutex_unlock(&smu->mutex); + + return size; +} diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index b57b10406390..a08155b83289 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -589,6 +589,7 @@ struct pptable_funcs { void (*log_thermal_throttling_event)(struct smu_context *smu); size_t (*get_pp_feature_mask)(struct smu_context *smu, char *buf); int (*set_pp_feature_mask)(struct smu_context *smu, uint64_t new_mask); + ssize_t (*get_gpu_metrics)(struct smu_context *smu, void **table); }; typedef enum { @@ -791,5 +792,7 @@ int smu_get_dpm_clock_table(struct smu_context *smu, int smu_get_status_gfxoff(struct amdgpu_device *adev, uint32_t *value); +ssize_t smu_sys_get_gpu_metrics(struct smu_context *smu, void **table); + #endif #endif |