diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index fd3b6b460b12..97bafba4c5c9 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -3175,3 +3175,21 @@ int smu_wait_for_event(struct amdgpu_device *adev, enum smu_event_type event, return ret; } + +int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size) +{ + + if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled) + return -EOPNOTSUPP; + + /* Confirm the buffer allocated is of correct size */ + if (size != smu->stb_context.stb_buf_size) + return -EINVAL; + + /* + * No need to lock smu mutex as we access STB directly through MMIO + * and not going through SMU messaging route (for now at least). + * For registers access rely on implementation internal locking. + */ + return smu->ppt_funcs->stb_collect_info(smu, buf, size); +} |