diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index d18f34d4a51e..f27c6fbb192e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -324,6 +324,8 @@ static int vega20_set_features_platform_caps(struct pp_hwmgr *hwmgr) static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); + struct amdgpu_device *adev = hwmgr->adev; + uint32_t top32, bottom32; int i; data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_id = @@ -393,6 +395,14 @@ static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr) ((data->registry_data.disallowed_features >> i) & 1) ? false : true; } + + /* Get the SN to turn into a Unique ID */ + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32); + top32 = smum_get_argument(hwmgr); + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32); + bottom32 = smum_get_argument(hwmgr); + + adev->unique_id = ((uint64_t)bottom32 << 32) | top32; } static int vega20_set_private_data_based_on_pptable(struct pp_hwmgr *hwmgr) |