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drm/amdkfd: add support for VI in MQD manager

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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>
This commit is contained in:
Ben Goz 2015-01-12 14:26:10 +02:00 committed by Oded Gabbay
parent 2d8f1f3303
commit d696d536f0
2 changed files with 248 additions and 4 deletions
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3
drivers/gpu/drm/amd/amdkfd/Makefile
View File

@ -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 \

249
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
View File

@ -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;
}