From: Amber Lin <[email protected]> When amdgpu enable enforce_isolation, KFD enables single-process mode in HWS and sets exec_cleaner_shader bit in MAP_PROCESS.
Signed-off-by: Amber Lin <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c | 14 +++++++++++++- drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h | 5 +++-- .../gpu/drm/amd/amdkfd/kfd_pm4_headers_aldebaran.h | 2 +- 3 files changed, 17 insertions(+), 4 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 00776f08351c..1f9f5bfeaf86 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c @@ -37,11 +37,14 @@ 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]) + 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; @@ -89,14 +92,18 @@ 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]) + 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; @@ -144,17 +151,22 @@ 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, + concurrent_proc_cnt = adev->enforce_isolation[kfd->node_id] ? + 1 : min(pm->dqm->processes_count, kfd->max_proc_per_quantum); packet = (struct pm4_mes_runlist *)buffer; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h index 8b6b2bd5c148..cd8611401a66 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h @@ -145,8 +145,9 @@ struct pm4_mes_map_process { union { struct { - uint32_t pasid:16; - uint32_t reserved1:2; + uint32_t pasid:16; /* 0 - 15 */ + uint32_t reserved1:1; /* 16 */ + uint32_t exec_cleaner_shader:1; /* 17 */ uint32_t debug_vmid:4; uint32_t new_debug:1; uint32_t reserved2:1; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_aldebaran.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_aldebaran.h index 38f5cb6a222a..e0ed62c4ade0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_aldebaran.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_aldebaran.h @@ -37,7 +37,7 @@ struct pm4_mes_map_process_aldebaran { struct { uint32_t pasid:16; /* 0 - 15 */ uint32_t single_memops:1; /* 16 */ - uint32_t reserved1:1; /* 17 */ + uint32_t exec_cleaner_shader:1; /* 17 */ uint32_t debug_vmid:4; /* 18 - 21 */ uint32_t new_debug:1; /* 22 */ uint32_t tmz:1; /* 23 */ -- 2.46.0
