diff options
author | Evan Quan <evan.quan@amd.com> | 2020-07-23 18:03:35 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-06 15:43:56 -0400 |
commit | 25c933b1c4fcfaa65ed735e9782fdb2622f7b7e8 (patch) | |
tree | 62540978bc7a1f76b0c88928ebb550b9372336e4 /drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | |
parent | 39c5a1cef84b4bc70123400d75f0fe637e1df6a6 (diff) |
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/amdgpu_smu.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 20 |
1 files changed, 20 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; +} |