From: Ben Goz ben.goz@amd.com
This patch implements all the VI MQD manager functions. This is done in a different file as the MQD format is different between CI and VI
Signed-off-by: Ben Goz ben.goz@amd.com Signed-off-by: Oded Gabbay oded.gabbay@gmail.com --- drivers/gpu/drm/amd/amdkfd/Makefile | 3 +- drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 249 +++++++++++++++++++++++- 2 files changed, 248 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/Makefile b/drivers/gpu/drm/amd/amdkfd/Makefile index 2855115..7fc9b0f 100644 --- a/drivers/gpu/drm/amd/amdkfd/Makefile +++ b/drivers/gpu/drm/amd/amdkfd/Makefile @@ -2,7 +2,8 @@ # Makefile for Heterogenous System Architecture support for AMD GPU devices #
-ccflags-y := -Iinclude/drm -Idrivers/gpu/drm/amd/include/ +ccflags-y := -Iinclude/drm -Idrivers/gpu/drm/amd/include/ \ + -Idrivers/gpu/drm/amd/include/asic_reg
amdkfd-y := kfd_module.o kfd_device.o kfd_chardev.o kfd_topology.o \ kfd_pasid.o kfd_doorbell.o kfd_flat_memory.o \ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c index b3a7e3b..fa32c32 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c @@ -22,12 +22,255 @@ */
#include <linux/printk.h> +#include <linux/slab.h> #include "kfd_priv.h" #include "kfd_mqd_manager.h" +#include "vi_structs.h" +#include "gca/gfx_8_0_sh_mask.h" +#include "gca/gfx_8_0_enum.h" + +#define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8 + +static inline struct vi_mqd *get_mqd(void *mqd) +{ + return (struct vi_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 vi_mqd *m; + + retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd), + mqd_mem_obj); + if (retval != 0) + return -ENOMEM; + + m = (struct vi_mqd *) (*mqd_mem_obj)->cpu_ptr; + addr = (*mqd_mem_obj)->gpu_addr; + + memset(m, 0, sizeof(struct vi_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 | + MTYPE_UC << CP_MQD_CONTROL__MTYPE__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; + + m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT; + + if (q->format == KFD_QUEUE_FORMAT_AQL) + m->cp_hqd_iq_rptr = 1; + + *mqd = m; + if (gart_addr != NULL) + *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, + uint32_t __user *wptr) +{ + return mm->dev->kfd2kgd->hqd_load + (mm->dev->kgd, mqd, pipe_id, queue_id, wptr); +} + +static int __update_mqd(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, unsigned int mtype, + unsigned int atc_bit) +{ + struct vi_mqd *m; + + BUG_ON(!mm || !q || !mqd); + + pr_debug("kfd: In func %s\n", __func__); + + m = get_mqd(mqd); + + m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT | + atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT | + mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT; + m->cp_hqd_pq_control |= + ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1; + pr_debug("kfd: 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_doorbell_control = + 1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT | + q->doorbell_off << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + pr_debug("kfd: cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + + m->cp_hqd_eop_control = atc_bit << CP_HQD_EOP_CONTROL__EOP_ATC__SHIFT | + mtype << CP_HQD_EOP_CONTROL__MTYPE__SHIFT; + + m->cp_hqd_ib_control = atc_bit << CP_HQD_IB_CONTROL__IB_ATC__SHIFT | + 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT | + mtype << CP_HQD_IB_CONTROL__MTYPE__SHIFT; + + m->cp_hqd_eop_control |= + ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 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 = atc_bit << CP_HQD_IQ_TIMER__IQ_ATC__SHIFT | + mtype << CP_HQD_IQ_TIMER__MTYPE__SHIFT; + + 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; + } + + m->cp_hqd_active = 0; + q->is_active = false; + if (q->queue_size > 0 && + q->queue_address != 0 && + q->queue_percent > 0) { + m->cp_hqd_active = 1; + q->is_active = true; + } + + return 0; +} + + +static int update_mqd(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + return __update_mqd(mm, mqd, q, MTYPE_CC, 1); +} + +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, type, timeout, + pipe_id, queue_id); +} + +static void uninit_mqd(struct mqd_manager *mm, void *mqd, + struct kfd_mem_obj *mqd_mem_obj) +{ + BUG_ON(!mm || !mqd); + 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 vi_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 vi_mqd *m; + int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0); + + if (retval != 0) + return retval; + + m = get_mqd(mqd); + m->cp_hqd_vmid = q->vmid; + return retval; +}
struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, - struct kfd_dev *dev) + struct kfd_dev *dev) { - pr_warn("amdkfd: VI MQD is not currently supported\n"); - return NULL; + struct mqd_manager *mqd; + + BUG_ON(!dev); + BUG_ON(type >= KFD_MQD_TYPE_MAX); + + pr_debug("kfd: In func %s\n", __func__); + + mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL); + 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; + 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; + break; + case KFD_MQD_TYPE_SDMA: + break; + default: + kfree(mqd); + return NULL; + } + + return mqd; }