diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 10 |
5 files changed, 63 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 38e782dee478..58f8f132904d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -957,6 +957,8 @@ struct amdgpu_device { long sdma_timeout; long video_timeout; long compute_timeout; + + uint64_t unique_id; }; static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index adba9ea03e63..a73e1903d29b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -1368,6 +1368,29 @@ static ssize_t amdgpu_get_pcie_bw(struct device *dev, count0, count1, pcie_get_mps(adev->pdev)); } +/** + * DOC: unique_id + * + * The amdgpu driver provides a sysfs API for providing a unique ID for the GPU + * The file unique_id is used for this. + * This will provide a Unique ID that will persist from machine to machine + * + * NOTE: This will only work for GFX9 and newer. This file will be absent + * on unsupported ASICs (GFX8 and older) + */ +static ssize_t amdgpu_get_unique_id(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + + if (adev->unique_id) + return snprintf(buf, PAGE_SIZE, "%016llx\n", adev->unique_id); + + return 0; +} + static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state); static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR, amdgpu_get_dpm_forced_performance_level, @@ -1418,6 +1441,7 @@ static DEVICE_ATTR(pcie_bw, S_IRUGO, amdgpu_get_pcie_bw, NULL); static DEVICE_ATTR(ppfeatures, S_IRUGO | S_IWUSR, amdgpu_get_ppfeature_status, amdgpu_set_ppfeature_status); +static DEVICE_ATTR(unique_id, S_IRUGO, amdgpu_get_unique_id, NULL); static ssize_t amdgpu_hwmon_show_temp(struct device *dev, struct device_attribute *attr, @@ -2814,6 +2838,12 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) return ret; } } + if (adev->unique_id) + ret = device_create_file(adev->dev, &dev_attr_unique_id); + if (ret) { + DRM_ERROR("failed to create device file unique_id\n"); + return ret; + } ret = amdgpu_debugfs_pm_init(adev); if (ret) { DRM_ERROR("Failed to register debugfs file for dpm!\n"); @@ -2875,6 +2905,8 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) device_remove_file(adev->dev, &dev_attr_mem_busy_percent); if (!(adev->flags & AMD_IS_APU)) device_remove_file(adev->dev, &dev_attr_pcie_bw); + if (adev->unique_id) + device_remove_file(adev->dev, &dev_attr_unique_id); if ((adev->asic_type >= CHIP_VEGA10) && !(adev->flags & AMD_IS_APU)) device_remove_file(adev->dev, &dev_attr_ppfeatures); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 9585ba51d853..ce6aeb5a0362 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -356,6 +356,7 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) struct vega10_hwmgr *data = hwmgr->backend; int i; uint32_t sub_vendor_id, hw_revision; + uint32_t top32, bottom32; struct amdgpu_device *adev = hwmgr->adev; vega10_initialize_power_tune_defaults(hwmgr); @@ -499,6 +500,14 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) (hw_revision == 0) && (sub_vendor_id != 0x1002)) data->smu_features[GNLD_PCC_LIMIT].supported = 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; } #ifdef PPLIB_VEGA10_EVV_SUPPORT diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index 1a909dda37c7..efb6d3762feb 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -289,6 +289,8 @@ static int vega12_set_features_platform_caps(struct pp_hwmgr *hwmgr) static void vega12_init_dpm_defaults(struct pp_hwmgr *hwmgr) { struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); + struct amdgpu_device *adev = hwmgr->adev; + uint32_t top32, bottom32; int i; data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_id = @@ -353,6 +355,14 @@ static void vega12_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 vega12_set_private_data_based_on_pptable(struct pp_hwmgr *hwmgr) 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) |