diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 179 |
1 files changed, 102 insertions, 77 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index 4e5932f54b5a..0778e587a2d6 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -1,5 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT /* - * Copyright 2016-2018 Advanced Micro Devices, Inc. + * Copyright 2016-2022 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -108,7 +109,7 @@ static struct kfd_mem_obj *allocate_mqd(struct kfd_dev *kfd, mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL); if (!mqd_mem_obj) return NULL; - retval = amdgpu_amdkfd_alloc_gtt_mem(kfd->kgd, + retval = amdgpu_amdkfd_alloc_gtt_mem(kfd->adev, ALIGN(q->ctl_stack_size, PAGE_SIZE) + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE), &(mqd_mem_obj->gtt_mem), @@ -199,19 +200,11 @@ static int load_mqd(struct mqd_manager *mm, void *mqd, /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); - return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, + return mm->dev->kfd2kgd->hqd_load(mm->dev->adev, mqd, pipe_id, queue_id, (uint32_t __user *)p->write_ptr, wptr_shift, 0, mms); } -static int hiq_load_mqd_kiq(struct mqd_manager *mm, void *mqd, - uint32_t pipe_id, uint32_t queue_id, - struct queue_properties *p, struct mm_struct *mms) -{ - return mm->dev->kfd2kgd->hiq_mqd_load(mm->dev->kgd, mqd, pipe_id, - queue_id, p->doorbell_off); -} - static void update_mqd(struct mqd_manager *mm, void *mqd, struct queue_properties *q, struct mqd_update_info *minfo) @@ -285,38 +278,6 @@ static uint32_t read_doorbell_id(void *mqd) return m->queue_doorbell_id0; } -static int destroy_mqd(struct mqd_manager *mm, void *mqd, - enum kfd_preempt_type type, - unsigned int timeout, uint32_t pipe_id, - uint32_t queue_id) -{ - return mm->dev->kfd2kgd->hqd_destroy - (mm->dev->kgd, mqd, type, timeout, - pipe_id, queue_id); -} - -static void free_mqd(struct mqd_manager *mm, void *mqd, - struct kfd_mem_obj *mqd_mem_obj) -{ - struct kfd_dev *kfd = mm->dev; - - if (mqd_mem_obj->gtt_mem) { - amdgpu_amdkfd_free_gtt_mem(kfd->kgd, mqd_mem_obj->gtt_mem); - kfree(mqd_mem_obj); - } else { - kfd_gtt_sa_free(mm->dev, mqd_mem_obj); - } -} - -static bool is_occupied(struct mqd_manager *mm, void *mqd, - uint64_t queue_address, uint32_t pipe_id, - uint32_t queue_id) -{ - return mm->dev->kfd2kgd->hqd_is_occupied( - mm->dev->kgd, queue_address, - pipe_id, queue_id); -} - static int get_wave_state(struct mqd_manager *mm, void *mqd, void __user *ctl_stack, u32 *ctl_stack_used_size, @@ -340,6 +301,57 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, return 0; } +static void get_checkpoint_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size) +{ + struct v9_mqd *m = get_mqd(mqd); + + *ctl_stack_size = m->cp_hqd_cntl_stack_size; +} + +static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) +{ + struct v9_mqd *m; + /* Control stack is located one page after MQD. */ + void *ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE); + + m = get_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v9_mqd)); + memcpy(ctl_stack_dst, ctl_stack, m->cp_hqd_cntl_stack_size); +} + +static void restore_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *qp, + const void *mqd_src, + const void *ctl_stack_src, u32 ctl_stack_size) +{ + uint64_t addr; + struct v9_mqd *m; + void *ctl_stack; + + m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memcpy(m, mqd_src, sizeof(*m)); + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + + /* Control stack is located one page after MQD. */ + ctl_stack = (void *)((uintptr_t)*mqd + PAGE_SIZE); + memcpy(ctl_stack, ctl_stack_src, ctl_stack_size); + + m->cp_hqd_pq_doorbell_control = + qp->doorbell_off << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + + qp->is_active = 0; +} + static void init_mqd_hiq(struct mqd_manager *mm, void **mqd, struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, struct queue_properties *q) @@ -371,15 +383,6 @@ static void init_mqd_sdma(struct mqd_manager *mm, void **mqd, mm->update_mqd(mm, m, q, NULL); } -static int load_mqd_sdma(struct mqd_manager *mm, void *mqd, - uint32_t pipe_id, uint32_t queue_id, - struct queue_properties *p, struct mm_struct *mms) -{ - return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd, - (uint32_t __user *)p->write_ptr, - mms); -} - #define SDMA_RLC_DUMMY_DEFAULT 0xf static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, @@ -409,23 +412,40 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, q->is_active = QUEUE_IS_ACTIVE(*q); } -/* - * * preempt type here is ignored because there is only one way - * * to preempt sdma queue - */ -static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd, - enum kfd_preempt_type type, - unsigned int timeout, uint32_t pipe_id, - uint32_t queue_id) +static void checkpoint_mqd_sdma(struct mqd_manager *mm, + void *mqd, + void *mqd_dst, + void *ctl_stack_dst) { - return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout); + struct v9_sdma_mqd *m; + + m = get_sdma_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v9_sdma_mqd)); } -static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, - uint64_t queue_address, uint32_t pipe_id, - uint32_t queue_id) +static void restore_mqd_sdma(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *qp, + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { - return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); + uint64_t addr; + struct v9_sdma_mqd *m; + + m = (struct v9_sdma_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memcpy(m, mqd_src, sizeof(*m)); + + m->sdmax_rlcx_doorbell_offset = + qp->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + + qp->is_active = 0; } #if defined(CONFIG_DEBUG_FS) @@ -464,12 +484,15 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, case KFD_MQD_TYPE_CP: mqd->allocate_mqd = allocate_mqd; mqd->init_mqd = init_mqd; - mqd->free_mqd = free_mqd; + mqd->free_mqd = kfd_free_mqd_cp; mqd->load_mqd = load_mqd; mqd->update_mqd = update_mqd; - mqd->destroy_mqd = destroy_mqd; - mqd->is_occupied = is_occupied; + mqd->destroy_mqd = kfd_destroy_mqd_cp; + mqd->is_occupied = kfd_is_occupied_cp; mqd->get_wave_state = get_wave_state; + mqd->get_checkpoint_info = get_checkpoint_info; + mqd->checkpoint_mqd = checkpoint_mqd; + mqd->restore_mqd = restore_mqd; mqd->mqd_size = sizeof(struct v9_mqd); #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd; @@ -479,10 +502,10 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, mqd->allocate_mqd = allocate_hiq_mqd; mqd->init_mqd = init_mqd_hiq; mqd->free_mqd = free_mqd_hiq_sdma; - mqd->load_mqd = hiq_load_mqd_kiq; + mqd->load_mqd = kfd_hiq_load_mqd_kiq; mqd->update_mqd = update_mqd; - mqd->destroy_mqd = destroy_mqd; - mqd->is_occupied = is_occupied; + mqd->destroy_mqd = kfd_destroy_mqd_cp; + mqd->is_occupied = kfd_is_occupied_cp; mqd->mqd_size = sizeof(struct v9_mqd); #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd; @@ -492,11 +515,11 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, case KFD_MQD_TYPE_DIQ: mqd->allocate_mqd = allocate_mqd; mqd->init_mqd = init_mqd_hiq; - mqd->free_mqd = free_mqd; + mqd->free_mqd = kfd_free_mqd_cp; mqd->load_mqd = load_mqd; mqd->update_mqd = update_mqd; - mqd->destroy_mqd = destroy_mqd; - mqd->is_occupied = is_occupied; + mqd->destroy_mqd = kfd_destroy_mqd_cp; + mqd->is_occupied = kfd_is_occupied_cp; mqd->mqd_size = sizeof(struct v9_mqd); #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd; @@ -506,10 +529,12 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, mqd->allocate_mqd = allocate_sdma_mqd; mqd->init_mqd = init_mqd_sdma; mqd->free_mqd = free_mqd_hiq_sdma; - mqd->load_mqd = load_mqd_sdma; + mqd->load_mqd = kfd_load_mqd_sdma; mqd->update_mqd = update_mqd_sdma; - mqd->destroy_mqd = destroy_mqd_sdma; - mqd->is_occupied = is_occupied_sdma; + mqd->destroy_mqd = kfd_destroy_mqd_sdma; + mqd->is_occupied = kfd_is_occupied_sdma; + mqd->checkpoint_mqd = checkpoint_mqd_sdma; + mqd->restore_mqd = restore_mqd_sdma; mqd->mqd_size = sizeof(struct v9_sdma_mqd); #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; |