diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c | 113 |
1 files changed, 91 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c index 8ee2bedd301a..505036968a77 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c @@ -37,14 +37,17 @@ static int pm_map_process_v9(struct packet_manager *pm, struct kfd_node *kfd = pm->dqm->dev; struct kfd_process_device *pdd = container_of(qpd, struct kfd_process_device, qpd); + struct amdgpu_device *adev = kfd->adev; packet = (struct pm4_mes_map_process *)buffer; memset(buffer, 0, sizeof(struct pm4_mes_map_process)); packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, sizeof(struct pm4_mes_map_process)); + if (adev->enforce_isolation[kfd->node_id] == AMDGPU_ENFORCE_ISOLATION_ENABLE) + packet->bitfields2.exec_cleaner_shader = 1; packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; packet->bitfields2.process_quantum = 10; - packet->bitfields2.pasid = qpd->pqm->process->pasid; + packet->bitfields2.pasid = pdd->pasid; packet->bitfields14.gds_size = qpd->gds_size & 0x3F; packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF; packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0; @@ -89,17 +92,22 @@ static int pm_map_process_aldebaran(struct packet_manager *pm, struct pm4_mes_map_process_aldebaran *packet; uint64_t vm_page_table_base_addr = qpd->page_table_base; struct kfd_dev *kfd = pm->dqm->dev->kfd; + struct kfd_node *knode = pm->dqm->dev; struct kfd_process_device *pdd = container_of(qpd, struct kfd_process_device, qpd); int i; + struct amdgpu_device *adev = kfd->adev; packet = (struct pm4_mes_map_process_aldebaran *)buffer; memset(buffer, 0, sizeof(struct pm4_mes_map_process_aldebaran)); packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, sizeof(struct pm4_mes_map_process_aldebaran)); + if (adev->enforce_isolation[knode->node_id] == + AMDGPU_ENFORCE_ISOLATION_ENABLE) + packet->bitfields2.exec_cleaner_shader = 1; packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; packet->bitfields2.process_quantum = 10; - packet->bitfields2.pasid = qpd->pqm->process->pasid; + packet->bitfields2.pasid = pdd->pasid; packet->bitfields14.gds_size = qpd->gds_size & 0x3F; packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF; packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0; @@ -144,18 +152,23 @@ static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer, int concurrent_proc_cnt = 0; struct kfd_node *kfd = pm->dqm->dev; + struct amdgpu_device *adev = kfd->adev; /* Determine the number of processes to map together to HW: * it can not exceed the number of VMIDs available to the * scheduler, and it is determined by the smaller of the number * of processes in the runlist and kfd module parameter * hws_max_conc_proc. + * However, if enforce_isolation is set (toggle LDS/VGPRs/SGPRs + * cleaner between process switch), enable single-process mode + * in HWS. * Note: the arbitration between the number of VMIDs and * hws_max_conc_proc has been done in * kgd2kfd_device_init(). */ - concurrent_proc_cnt = min(pm->dqm->processes_count, - kfd->max_proc_per_quantum); + concurrent_proc_cnt = (adev->enforce_isolation[kfd->node_id] == + AMDGPU_ENFORCE_ISOLATION_ENABLE) ? + 1 : min(pm->dqm->processes_count, kfd->max_proc_per_quantum); packet = (struct pm4_mes_runlist *)buffer; @@ -190,6 +203,8 @@ static int pm_set_resources_v9(struct packet_manager *pm, uint32_t *buffer, queue_type__mes_set_resources__hsa_interface_queue_hiq; packet->bitfields2.vmid_mask = res->vmid_mask; packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100; + if (pm->dqm->dev->adev->gmc.xnack_flags & AMDGPU_GMC_XNACK_FLAG_CHAIN) + packet->bitfields2.enb_xnack_retry_disable_check = 1; packet->bitfields7.oac_mask = res->oac_mask; packet->bitfields8.gds_heap_base = res->gds_heap_base; packet->bitfields8.gds_heap_size = res->gds_heap_size; @@ -213,7 +228,6 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, struct queue *q, bool is_static) { struct pm4_mes_map_queues *packet; - bool use_static = is_static; packet = (struct pm4_mes_map_queues *)buffer; memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); @@ -226,7 +240,7 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, packet->bitfields2.engine_sel = engine_sel__mes_map_queues__compute_vi; - packet->bitfields2.gws_control_queue = q->gws ? 1 : 0; + packet->bitfields2.gws_control_queue = q->properties.is_gws ? 1 : 0; packet->bitfields2.extended_engine_sel = extended_engine_sel__mes_map_queues__legacy_engine_sel; packet->bitfields2.queue_type = @@ -234,7 +248,7 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, switch (q->properties.type) { case KFD_QUEUE_TYPE_COMPUTE: - if (use_static) + if (is_static) packet->bitfields2.queue_type = queue_type__mes_map_queues__normal_latency_static_queue_vi; break; @@ -244,7 +258,6 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, break; case KFD_QUEUE_TYPE_SDMA: case KFD_QUEUE_TYPE_SDMA_XGMI: - use_static = false; /* no static queues under SDMA */ if (q->properties.sdma_engine_id < 2 && !pm_use_ext_eng(q->device->kfd)) packet->bitfields2.engine_sel = q->properties.sdma_engine_id + @@ -287,23 +300,79 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, return 0; } -static int pm_set_grace_period_v9(struct packet_manager *pm, +static inline void pm_build_dequeue_wait_counts_packet_info(struct packet_manager *pm, + uint32_t sch_value, uint32_t que_sleep, uint32_t *reg_offset, + uint32_t *reg_data) +{ + pm->dqm->dev->kfd2kgd->build_dequeue_wait_counts_packet_info( + pm->dqm->dev->adev, + pm->dqm->wait_times, + sch_value, + que_sleep, + reg_offset, + reg_data); +} + +/* pm_config_dequeue_wait_counts_v9: Builds WRITE_DATA packet with + * register/value for configuring dequeue wait counts + * + * @return: -ve for failure and 0 for success and buffer is + * filled in with packet + * + **/ +static int pm_config_dequeue_wait_counts_v9(struct packet_manager *pm, uint32_t *buffer, - uint32_t grace_period) + enum kfd_config_dequeue_wait_counts_cmd cmd, + uint32_t value) { struct pm4_mec_write_data_mmio *packet; uint32_t reg_offset = 0; uint32_t reg_data = 0; - pm->dqm->dev->kfd2kgd->build_grace_period_packet_info( - pm->dqm->dev->adev, - pm->dqm->wait_times, - grace_period, - ®_offset, - ®_data); + switch (cmd) { + case KFD_DEQUEUE_WAIT_INIT: { + uint32_t sch_wave = 0, que_sleep = 1; + + /* For all gfx9 ASICs > gfx941, + * Reduce CP_IQ_WAIT_TIME2.QUE_SLEEP to 0x1 from default 0x40. + * On a 1GHz machine this is roughly 1 microsecond, which is + * about how long it takes to load data out of memory during + * queue connect + * QUE_SLEEP: Wait Count for Dequeue Retry. + * + * Set CWSR grace period to 1x1000 cycle for GFX9.4.3 APU + */ + if (KFD_GC_VERSION(pm->dqm->dev) < IP_VERSION(9, 4, 1) || + KFD_GC_VERSION(pm->dqm->dev) >= IP_VERSION(10, 0, 0)) + return -EPERM; + + if (amdgpu_emu_mode == 0 && pm->dqm->dev->adev->gmc.is_app_apu && + (KFD_GC_VERSION(pm->dqm->dev) == IP_VERSION(9, 4, 3))) + sch_wave = 1; - if (grace_period == USE_DEFAULT_GRACE_PERIOD) - reg_data = pm->dqm->wait_times; + pm_build_dequeue_wait_counts_packet_info(pm, sch_wave, que_sleep, + ®_offset, ®_data); + + break; + } + case KFD_DEQUEUE_WAIT_RESET: + /* reg_data would be set to dqm->wait_times */ + pm_build_dequeue_wait_counts_packet_info(pm, 0, 0, ®_offset, ®_data); + break; + + case KFD_DEQUEUE_WAIT_SET_SCH_WAVE: + /* The CP cannot handle value 0 and it will result in + * an infinite grace period being set so set to 1 to prevent this. Also + * avoid debugger API breakage as it sets 0 and expects a low value. + */ + if (!value) + value = 1; + pm_build_dequeue_wait_counts_packet_info(pm, value, 0, ®_offset, ®_data); + break; + default: + pr_err("Invalid dequeue wait cmd\n"); + return -EINVAL; + } packet = (struct pm4_mec_write_data_mmio *)buffer; memset(buffer, 0, sizeof(struct pm4_mec_write_data_mmio)); @@ -405,7 +474,7 @@ const struct packet_manager_funcs kfd_v9_pm_funcs = { .set_resources = pm_set_resources_v9, .map_queues = pm_map_queues_v9, .unmap_queues = pm_unmap_queues_v9, - .set_grace_period = pm_set_grace_period_v9, + .config_dequeue_wait_counts = pm_config_dequeue_wait_counts_v9, .query_status = pm_query_status_v9, .release_mem = NULL, .map_process_size = sizeof(struct pm4_mes_map_process), @@ -413,7 +482,7 @@ const struct packet_manager_funcs kfd_v9_pm_funcs = { .set_resources_size = sizeof(struct pm4_mes_set_resources), .map_queues_size = sizeof(struct pm4_mes_map_queues), .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), - .set_grace_period_size = sizeof(struct pm4_mec_write_data_mmio), + .config_dequeue_wait_counts_size = sizeof(struct pm4_mec_write_data_mmio), .query_status_size = sizeof(struct pm4_mes_query_status), .release_mem_size = 0, }; @@ -424,7 +493,7 @@ const struct packet_manager_funcs kfd_aldebaran_pm_funcs = { .set_resources = pm_set_resources_v9, .map_queues = pm_map_queues_v9, .unmap_queues = pm_unmap_queues_v9, - .set_grace_period = pm_set_grace_period_v9, + .config_dequeue_wait_counts = pm_config_dequeue_wait_counts_v9, .query_status = pm_query_status_v9, .release_mem = NULL, .map_process_size = sizeof(struct pm4_mes_map_process_aldebaran), @@ -432,7 +501,7 @@ const struct packet_manager_funcs kfd_aldebaran_pm_funcs = { .set_resources_size = sizeof(struct pm4_mes_set_resources), .map_queues_size = sizeof(struct pm4_mes_map_queues), .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), - .set_grace_period_size = sizeof(struct pm4_mec_write_data_mmio), + .config_dequeue_wait_counts_size = sizeof(struct pm4_mec_write_data_mmio), .query_status_size = sizeof(struct pm4_mes_query_status), .release_mem_size = 0, }; |