diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c index ee6340c6f921..c73504e998e5 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c @@ -1651,6 +1651,26 @@ static int pp_gfx_state_change_set(void *handle, uint32_t state) return 0; } +static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) +{ + struct pp_hwmgr *hwmgr = handle; + struct amdgpu_device *adev = hwmgr->adev; + + if (!addr || !size) + return -EINVAL; + + *addr = NULL; + *size = 0; + mutex_lock(&hwmgr->smu_lock); + if (adev->pm.smu_prv_buffer) { + amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); + *size = adev->pm.smu_prv_buffer_size; + } + mutex_unlock(&hwmgr->smu_lock); + + return 0; +} + static const struct amd_pm_funcs pp_dpm_funcs = { .load_firmware = pp_dpm_load_fw, .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, @@ -1714,4 +1734,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = { .set_xgmi_pstate = pp_set_xgmi_pstate, .get_gpu_metrics = pp_get_gpu_metrics, .gfx_state_change_set = pp_gfx_state_change_set, + .get_smu_prv_buf_details = pp_get_prv_buffer_details, }; |