Use XGMI hive information to rely on resetting XGMI devices on initialization rather than using mgpu structure. mgpu structure may have other devices as well. Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx> Reviewed-by: Feifei Xu <feifxu@xxxxxxx> --- v2: Use consistent naming scheme for functions/variables (Alex Deucher) Use renamed init level id - AMDGPU_INIT_LEVEL_MINIMAL_XGMI drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 10 +-- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 6 -- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 73 ++++++++++++++++++++-- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h | 2 + drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 14 +++-- drivers/gpu/drm/amd/amdgpu/soc15.c | 5 ++ 6 files changed, 91 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4928881c13b2..c104076e85b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -164,7 +164,8 @@ struct amdgpu_init_level amdgpu_init_minimal_xgmi = { .level = AMDGPU_INIT_LEVEL_MINIMAL_XGMI, .hwini_ip_block_mask = BIT(AMD_IP_BLOCK_TYPE_GMC) | BIT(AMD_IP_BLOCK_TYPE_SMC) | - BIT(AMD_IP_BLOCK_TYPE_COMMON) | BIT(AMD_IP_BLOCK_TYPE_IH) + BIT(AMD_IP_BLOCK_TYPE_COMMON) | BIT(AMD_IP_BLOCK_TYPE_IH) | + BIT(AMD_IP_BLOCK_TYPE_PSP) }; static inline bool amdgpu_ip_member_of_hwini(struct amdgpu_device *adev, @@ -2840,6 +2841,7 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev) */ static int amdgpu_device_ip_init(struct amdgpu_device *adev) { + bool init_badpage; int i, r; r = amdgpu_ras_init(adev); @@ -2953,7 +2955,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) * Note: theoretically, this should be called before all vram allocations * to protect retired page from abusing */ - r = amdgpu_ras_recovery_init(adev, true); + init_badpage = (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI); + r = amdgpu_ras_recovery_init(adev, init_badpage); if (r) goto init_failed; @@ -4514,8 +4517,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); if (adev->init_lvl->level == AMDGPU_INIT_LEVEL_MINIMAL_XGMI) - queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work, - msecs_to_jiffies(AMDGPU_RESUME_MS)); + amdgpu_xgmi_reset_on_init(adev); amdgpu_device_check_iommu_direct_map(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index f5cd91fd63ea..2c29f4c34e64 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -3216,12 +3216,6 @@ int amdgpu_ras_recovery_init(struct amdgpu_device *adev, bool init_bp_info) max_eeprom_records_count = amdgpu_ras_eeprom_max_record_count(&con->eeprom_control); amdgpu_ras_validate_threshold(adev, max_eeprom_records_count); - /* Todo: During test the SMU might fail to read the eeprom through I2C - * when the GPU is pending on XGMI reset during probe time - * (Mostly after second bus reset), skip it now - */ - if (adev->init_lvl->level == AMDGPU_INIT_LEVEL_MINIMAL_XGMI) - return 0; if (init_bp_info) { ret = amdgpu_ras_init_badpage_info(adev); if (ret) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 74135d611cba..61b293c60b41 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -860,8 +860,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) if (!adev->gmc.xgmi.supported) return 0; - if ((adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) && - amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { + if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { ret = psp_xgmi_initialize(&adev->psp, false, true); if (ret) { dev_err(adev->dev, @@ -907,8 +906,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) task_barrier_add_task(&hive->tb); - if ((adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) && - amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { + if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { /* update node list for other device in the hive */ if (tmp_adev != adev) { @@ -985,7 +983,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) } } - if (!ret && (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI)) + if (!ret) ret = amdgpu_xgmi_sysfs_add_dev_info(adev, hive); exit_unlock: @@ -1500,3 +1498,68 @@ int amdgpu_xgmi_ras_sw_init(struct amdgpu_device *adev) return 0; } + +static void amdgpu_xgmi_reset_on_init_work(struct work_struct *work) +{ + struct amdgpu_hive_info *hive = + container_of(work, struct amdgpu_hive_info, reset_on_init_work); + struct amdgpu_reset_context reset_context; + struct amdgpu_device *tmp_adev; + struct list_head device_list; + int r; + + mutex_lock(&hive->hive_lock); + + INIT_LIST_HEAD(&device_list); + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) + list_add_tail(&tmp_adev->reset_list, &device_list); + + tmp_adev = list_first_entry(&device_list, struct amdgpu_device, + reset_list); + amdgpu_device_lock_reset_domain(tmp_adev->reset_domain); + + reset_context.method = AMD_RESET_METHOD_ON_INIT; + reset_context.reset_req_dev = tmp_adev; + reset_context.hive = hive; + reset_context.reset_device_list = &device_list; + set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); + set_bit(AMDGPU_SKIP_COREDUMP, &reset_context.flags); + + amdgpu_reset_do_xgmi_reset_on_init(&reset_context); + mutex_unlock(&hive->hive_lock); + amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain); + + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { + r = amdgpu_ras_init_badpage_info(tmp_adev); + if (r && r != -EHWPOISON) + dev_err(tmp_adev->dev, + "error during bad page data initializtion"); + } +} + +static void amdgpu_xgmi_schedule_reset_on_init(struct amdgpu_hive_info *hive) +{ + INIT_WORK(&hive->reset_on_init_work, amdgpu_xgmi_reset_on_init_work); + amdgpu_reset_domain_schedule(hive->reset_domain, + &hive->reset_on_init_work); +} + +int amdgpu_xgmi_reset_on_init(struct amdgpu_device *adev) +{ + struct amdgpu_hive_info *hive; + int r, num_devs; + + hive = amdgpu_get_xgmi_hive(adev); + if (!hive) + return -EINVAL; + + mutex_lock(&hive->hive_lock); + num_devs = atomic_read(&hive->number_devices); + if (num_devs == adev->gmc.xgmi.num_physical_nodes) + amdgpu_xgmi_schedule_reset_on_init(hive); + + mutex_unlock(&hive->hive_lock); + amdgpu_put_xgmi_hive(hive); + + return r; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h index a3bfc16de6d4..d652727ca565 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h @@ -45,6 +45,7 @@ struct amdgpu_hive_info { struct amdgpu_reset_domain *reset_domain; atomic_t ras_recovery; struct ras_event_manager event_mgr; + struct work_struct reset_on_init_work; }; struct amdgpu_pcs_ras_field { @@ -75,5 +76,6 @@ static inline bool amdgpu_xgmi_same_hive(struct amdgpu_device *adev, adev->gmc.xgmi.hive_id == bo_adev->gmc.xgmi.hive_id); } int amdgpu_xgmi_ras_sw_init(struct amdgpu_device *adev); +int amdgpu_xgmi_reset_on_init(struct amdgpu_device *adev); #endif diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index c76ac0dfe572..cafcb24449df 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -2413,11 +2413,17 @@ static int gmc_v9_0_hw_fini(void *handle) if (adev->mmhub.funcs->update_power_gating) adev->mmhub.funcs->update_power_gating(adev, false); - amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); + /* + * For minimal init, late_init is not called, hence VM fault/RAS irqs + * are not enabled. + */ + if (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) { + amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); - if (adev->gmc.ecc_irq.funcs && - amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) - amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); + if (adev->gmc.ecc_irq.funcs && + amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) + amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); + } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 8d16dacdc172..e60c69c5f894 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1295,7 +1295,12 @@ static int soc15_common_hw_fini(void *handle) if (amdgpu_sriov_vf(adev)) xgpu_ai_mailbox_put_irq(adev); + /* + * For minimal init, late_init is not called, hence RAS irqs are not + * enabled. + */ if ((!amdgpu_sriov_vf(adev)) && + (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) && adev->nbio.ras_if && amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) { if (adev->nbio.ras && -- 2.25.1