diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index f49c551195b3..c064dea3f285 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -472,55 +472,10 @@ set_pasid_vmid_mapping(struct device_queue_manager *dqm, unsigned int pasid, int init_pipelines(struct device_queue_manager *dqm, unsigned int pipes_num, unsigned int first_pipe) { - void *hpdptr; - struct mqd_manager *mqd; - unsigned int i, err, inx; - uint64_t pipe_hpd_addr; - BUG_ON(!dqm || !dqm->dev); pr_debug("kfd: In func %s\n", __func__); - /* - * Allocate memory for the HPDs. This is hardware-owned per-pipe data. - * The driver never accesses this memory after zeroing it. - * It doesn't even have to be saved/restored on suspend/resume - * because it contains no data when there are no active queues. - */ - - err = kfd_gtt_sa_allocate(dqm->dev, CIK_HPD_EOP_BYTES * pipes_num, - &dqm->pipeline_mem); - - if (err) { - pr_err("kfd: error allocate vidmem num pipes: %d\n", - pipes_num); - return -ENOMEM; - } - - hpdptr = dqm->pipeline_mem->cpu_ptr; - dqm->pipelines_addr = dqm->pipeline_mem->gpu_addr; - - memset(hpdptr, 0, CIK_HPD_EOP_BYTES * pipes_num); - - mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); - if (mqd == NULL) { - kfd_gtt_sa_free(dqm->dev, dqm->pipeline_mem); - return -ENOMEM; - } - - for (i = 0; i < pipes_num; i++) { - inx = i + first_pipe; - /* - * HPD buffer on GTT is allocated by amdkfd, no need to waste - * space in GTT for pipelines we don't initialize - */ - pipe_hpd_addr = dqm->pipelines_addr + i * CIK_HPD_EOP_BYTES; - pr_debug("kfd: pipeline address %llX\n", pipe_hpd_addr); - /* = log2(bytes/4)-1 */ - dqm->dev->kfd2kgd->init_pipeline(dqm->dev->kgd, inx, - CIK_HPD_EOP_BYTES_LOG2 - 3, pipe_hpd_addr); - } - return 0; } |