From: Felix Kuehling Date: Tue, 10 Apr 2018 17:33:08 -0400 Subject: drm/amdkfd: Add GFXv9 MQD manager Git-commit: b91d43dd01aadd43b1002160b78d77f8175876a4 Patch-mainline: v4.20 or v4.20-rc7 (next release) References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 Signed-off-by: John Bridgman Signed-off-by: Jay Cornwall Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay Acked-by: Petr Tesarik --- drivers/gpu/drm/amd/amdkfd/Makefile | 1 drivers/gpu/drm/amd/amdkfd/kfd_device.c | 2 drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c | 3 drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 443 ++++++++++++++++++++++++ drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 3 5 files changed, 451 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdkfd/Makefile +++ b/drivers/gpu/drm/amd/amdkfd/Makefile @@ -9,6 +9,7 @@ amdkfd-y := kfd_module.o kfd_device.o kf kfd_pasid.o kfd_doorbell.o kfd_flat_memory.o \ kfd_process.o kfd_queue.o kfd_mqd_manager.o \ kfd_mqd_manager_cik.o kfd_mqd_manager_vi.o \ + kfd_mqd_manager_v9.o \ kfd_kernel_queue.o kfd_kernel_queue_cik.o \ kfd_kernel_queue_vi.o kfd_kernel_queue_v9.o \ kfd_packet_manager.o kfd_process_queue_manager.o \ --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -700,7 +700,7 @@ int kfd_gtt_sa_allocate(struct kfd_dev * if (size > kfd->gtt_sa_num_of_chunks * kfd->gtt_sa_chunk_size) return -ENOMEM; - *mem_obj = kmalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); + *mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); if ((*mem_obj) == NULL) return -ENOMEM; --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c @@ -38,6 +38,9 @@ struct mqd_manager *mqd_manager_init(enu case CHIP_POLARIS10: case CHIP_POLARIS11: return mqd_manager_init_vi_tonga(type, dev); + case CHIP_VEGA10: + case CHIP_RAVEN: + return mqd_manager_init_v9(type, dev); default: WARN(1, "Unexpected ASIC family %u", dev->device_info->asic_family); --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -0,0 +1,443 @@ +/* + * Copyright 2016-2018 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"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include +#include +#include +#include "kfd_priv.h" +#include "kfd_mqd_manager.h" +#include "v9_structs.h" +#include "gc/gc_9_0_offset.h" +#include "gc/gc_9_0_sh_mask.h" +#include "sdma0/sdma0_4_0_sh_mask.h" + +static inline struct v9_mqd *get_mqd(void *mqd) +{ + return (struct v9_mqd *)mqd; +} + +static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd) +{ + return (struct v9_sdma_mqd *)mqd; +} + +static int init_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + int retval; + uint64_t addr; + struct v9_mqd *m; + struct kfd_dev *kfd = mm->dev; + + /* From V9, for CWSR, the control stack is located on the next page + * boundary after the mqd, we will use the gtt allocation function + * instead of sub-allocation function. + */ + if (kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) { + *mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); + if (!*mqd_mem_obj) + return -ENOMEM; + retval = kfd->kfd2kgd->init_gtt_mem_allocation(kfd->kgd, + ALIGN(q->ctl_stack_size, PAGE_SIZE) + + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE), + &((*mqd_mem_obj)->gtt_mem), + &((*mqd_mem_obj)->gpu_addr), + (void *)&((*mqd_mem_obj)->cpu_ptr)); + } else + retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), + mqd_mem_obj); + if (retval != 0) + return -ENOMEM; + + m = (struct v9_mqd *) (*mqd_mem_obj)->cpu_ptr; + addr = (*mqd_mem_obj)->gpu_addr; + + memset(m, 0, sizeof(struct v9_mqd)); + + m->header = 0xC0310800; + m->compute_pipelinestat_enable = 1; + m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF; + + m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK | + 0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT; + + m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT; + + m->cp_mqd_base_addr_lo = lower_32_bits(addr); + m->cp_mqd_base_addr_hi = upper_32_bits(addr); + + m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT | + 1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT | + 10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT; + + m->cp_hqd_pipe_priority = 1; + m->cp_hqd_queue_priority = 15; + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->cp_hqd_aql_control = + 1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT; + } + + if (q->tba_addr) { + m->compute_pgm_rsrc2 |= + (1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT); + } + + if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) { + m->cp_hqd_persistent_state |= + (1 << CP_HQD_PERSISTENT_STATE__QSWITCH_MODE__SHIFT); + m->cp_hqd_ctx_save_base_addr_lo = + lower_32_bits(q->ctx_save_restore_area_address); + m->cp_hqd_ctx_save_base_addr_hi = + upper_32_bits(q->ctx_save_restore_area_address); + m->cp_hqd_ctx_save_size = q->ctx_save_restore_area_size; + m->cp_hqd_cntl_stack_size = q->ctl_stack_size; + m->cp_hqd_cntl_stack_offset = q->ctl_stack_size; + m->cp_hqd_wg_state_offset = q->ctl_stack_size; + } + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + retval = mm->update_mqd(mm, m, q); + + return retval; +} + +static int load_mqd(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) +{ + /* 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, + (uint32_t __user *)p->write_ptr, + wptr_shift, 0, mms); +} + +static int update_mqd(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + struct v9_mqd *m; + + m = get_mqd(mqd); + + m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT; + m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; + pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control); + + m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8); + + m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); + m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); + + m->cp_hqd_pq_doorbell_control = + q->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); + + m->cp_hqd_ib_control = + 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT | + 1 << CP_HQD_IB_CONTROL__IB_EXE_DISABLE__SHIFT; + + /* + * HW does not clamp this field correctly. Maximum EOP queue size + * is constrained by per-SE EOP done signal count, which is 8-bit. + * Limit is 0xFF EOP entries (= 0x7F8 dwords). CP will not submit + * more than (EOP entry count - 1) so a queue size of 0x800 dwords + * is safe, giving a maximum field value of 0xA. + */ + m->cp_hqd_eop_control = min(0xA, + order_base_2(q->eop_ring_buffer_size / 4) - 1); + m->cp_hqd_eop_base_addr_lo = + lower_32_bits(q->eop_ring_buffer_address >> 8); + m->cp_hqd_eop_base_addr_hi = + upper_32_bits(q->eop_ring_buffer_address >> 8); + + m->cp_hqd_iq_timer = 0; + + m->cp_hqd_vmid = q->vmid; + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK | + 2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT | + 1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT | + 1 << CP_HQD_PQ_CONTROL__WPP_CLAMP_EN__SHIFT; + m->cp_hqd_pq_doorbell_control |= 1 << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_BIF_DROP__SHIFT; + } + if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) + m->cp_hqd_ctx_save_control = 0; + + q->is_active = (q->queue_size > 0 && + q->queue_address != 0 && + q->queue_percent > 0 && + !q->is_evicted); + + return 0; +} + + +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 uninit_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) { + kfd->kfd2kgd->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 init_mqd_hiq(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + struct v9_mqd *m; + int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q); + + if (retval != 0) + return retval; + + m = get_mqd(*mqd); + + m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT | + 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT; + + return retval; +} + +static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + struct v9_mqd *m; + int retval = update_mqd(mm, mqd, q); + + if (retval != 0) + return retval; + + /* TODO: what's the point? update_mqd already does this. */ + m = get_mqd(mqd); + m->cp_hqd_vmid = q->vmid; + return retval; +} + +static int init_mqd_sdma(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + int retval; + struct v9_sdma_mqd *m; + + + retval = kfd_gtt_sa_allocate(mm->dev, + sizeof(struct v9_sdma_mqd), + mqd_mem_obj); + + if (retval != 0) + return -ENOMEM; + + m = (struct v9_sdma_mqd *) (*mqd_mem_obj)->cpu_ptr; + + memset(m, 0, sizeof(struct v9_sdma_mqd)); + + *mqd = m; + if (gart_addr) + *gart_addr = (*mqd_mem_obj)->gpu_addr; + + retval = mm->update_mqd(mm, m, q); + + return retval; +} + +static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd, + struct kfd_mem_obj *mqd_mem_obj) +{ + kfd_gtt_sa_free(mm->dev, mqd_mem_obj); +} + +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 int update_mqd_sdma(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + struct v9_sdma_mqd *m; + + m = get_sdma_mqd(mqd); + m->sdmax_rlcx_rb_cntl = order_base_2(q->queue_size / 4) + << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | + q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | + 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | + 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; + + m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8); + m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8); + m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_doorbell_offset = + q->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; + + m->sdma_engine_id = q->sdma_engine_id; + m->sdma_queue_id = q->sdma_queue_id; + m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT; + + q->is_active = (q->queue_size > 0 && + q->queue_address != 0 && + q->queue_percent > 0 && + !q->is_evicted); + + return 0; +} + +/* + * * 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) +{ + return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout); +} + +static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, + uint64_t queue_address, uint32_t pipe_id, + uint32_t queue_id) +{ + return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); +} + +#if defined(CONFIG_DEBUG_FS) + +static int debugfs_show_mqd(struct seq_file *m, void *data) +{ + seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, + data, sizeof(struct v9_mqd), false); + return 0; +} + +static int debugfs_show_mqd_sdma(struct seq_file *m, void *data) +{ + seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, + data, sizeof(struct v9_sdma_mqd), false); + return 0; +} + +#endif + +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, + struct kfd_dev *dev) +{ + struct mqd_manager *mqd; + + if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) + return NULL; + + mqd = kzalloc(sizeof(*mqd), GFP_NOIO); + if (!mqd) + return NULL; + + mqd->dev = dev; + + switch (type) { + case KFD_MQD_TYPE_CP: + case KFD_MQD_TYPE_COMPUTE: + mqd->init_mqd = init_mqd; + mqd->uninit_mqd = uninit_mqd; + mqd->load_mqd = load_mqd; + mqd->update_mqd = update_mqd; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + break; + case KFD_MQD_TYPE_HIQ: + mqd->init_mqd = init_mqd_hiq; + mqd->uninit_mqd = uninit_mqd; + mqd->load_mqd = load_mqd; + mqd->update_mqd = update_mqd_hiq; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + break; + case KFD_MQD_TYPE_SDMA: + mqd->init_mqd = init_mqd_sdma; + mqd->uninit_mqd = uninit_mqd_sdma; + mqd->load_mqd = load_mqd_sdma; + mqd->update_mqd = update_mqd_sdma; + mqd->destroy_mqd = destroy_mqd_sdma; + mqd->is_occupied = is_occupied_sdma; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; +#endif + break; + default: + kfree(mqd); + return NULL; + } + + return mqd; +} --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -197,6 +197,7 @@ struct kfd_mem_obj { uint32_t range_end; uint64_t gpu_addr; uint32_t *cpu_ptr; + void *gtt_mem; }; struct kfd_vmid_info { @@ -822,6 +823,8 @@ struct mqd_manager *mqd_manager_init_vi( struct kfd_dev *dev); struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, struct kfd_dev *dev); +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, + struct kfd_dev *dev); struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); void device_queue_manager_uninit(struct device_queue_manager *dqm); struct kernel_queue *kernel_queue_init(struct kfd_dev *dev,