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path: root/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
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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.c108
1 files changed, 83 insertions, 25 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 d985e31fcc1e..984c2f2b24b6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -195,20 +195,30 @@ static int allocate_vmid(struct device_queue_manager *dqm,
struct qcm_process_device *qpd,
struct queue *q)
{
- int bit, allocated_vmid;
+ int allocated_vmid = -1, i;
- if (dqm->vmid_bitmap == 0)
- return -ENOMEM;
+ for (i = dqm->dev->vm_info.first_vmid_kfd;
+ i <= dqm->dev->vm_info.last_vmid_kfd; i++) {
+ if (!dqm->vmid_pasid[i]) {
+ allocated_vmid = i;
+ break;
+ }
+ }
+
+ if (allocated_vmid < 0) {
+ pr_err("no more vmid to allocate\n");
+ return -ENOSPC;
+ }
+
+ pr_debug("vmid allocated: %d\n", allocated_vmid);
+
+ dqm->vmid_pasid[allocated_vmid] = q->process->pasid;
- bit = ffs(dqm->vmid_bitmap) - 1;
- dqm->vmid_bitmap &= ~(1 << bit);
+ set_pasid_vmid_mapping(dqm, q->process->pasid, allocated_vmid);
- allocated_vmid = bit + dqm->dev->vm_info.first_vmid_kfd;
- pr_debug("vmid allocation %d\n", allocated_vmid);
qpd->vmid = allocated_vmid;
q->properties.vmid = allocated_vmid;
- set_pasid_vmid_mapping(dqm, q->process->pasid, q->properties.vmid);
program_sh_mem_settings(dqm, qpd);
/* qpd->page_table_base is set earlier when register_process()
@@ -220,8 +230,9 @@ static int allocate_vmid(struct device_queue_manager *dqm,
/* invalidate the VM context after pasid and vmid mapping is set up */
kfd_flush_tlb(qpd_to_pdd(qpd));
- dqm->dev->kfd2kgd->set_scratch_backing_va(
- dqm->dev->kgd, qpd->sh_hidden_private_base, qpd->vmid);
+ if (dqm->dev->kfd2kgd->set_scratch_backing_va)
+ dqm->dev->kfd2kgd->set_scratch_backing_va(dqm->dev->kgd,
+ qpd->sh_hidden_private_base, qpd->vmid);
return 0;
}
@@ -248,8 +259,6 @@ static void deallocate_vmid(struct device_queue_manager *dqm,
struct qcm_process_device *qpd,
struct queue *q)
{
- int bit = qpd->vmid - dqm->dev->vm_info.first_vmid_kfd;
-
/* On GFX v7, CP doesn't flush TC at dequeue */
if (q->device->device_info->asic_family == CHIP_HAWAII)
if (flush_texture_cache_nocpsch(q->device, qpd))
@@ -259,8 +268,8 @@ static void deallocate_vmid(struct device_queue_manager *dqm,
/* Release the vmid mapping */
set_pasid_vmid_mapping(dqm, 0, qpd->vmid);
+ dqm->vmid_pasid[qpd->vmid] = 0;
- dqm->vmid_bitmap |= (1 << bit);
qpd->vmid = 0;
q->properties.vmid = 0;
}
@@ -331,6 +340,10 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
mqd_mgr->init_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj,
&q->gart_mqd_addr, &q->properties);
if (q->properties.is_active) {
+ if (!dqm->sched_running) {
+ WARN_ONCE(1, "Load non-HWS mqd while stopped\n");
+ goto add_queue_to_list;
+ }
if (WARN(q->process->mm != current->mm,
"should only run in user thread"))
@@ -342,6 +355,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
goto out_free_mqd;
}
+add_queue_to_list:
list_add(&q->list, &qpd->queues_list);
qpd->queue_count++;
if (q->properties.is_active)
@@ -449,6 +463,11 @@ static int destroy_queue_nocpsch_locked(struct device_queue_manager *dqm,
deallocate_doorbell(qpd, q);
+ if (!dqm->sched_running) {
+ WARN_ONCE(1, "Destroy non-HWS queue while stopped\n");
+ return 0;
+ }
+
retval = mqd_mgr->destroy_mqd(mqd_mgr, q->mqd,
KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
KFD_UNMAP_LATENCY_MS,
@@ -524,6 +543,12 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
(q->properties.type == KFD_QUEUE_TYPE_COMPUTE ||
q->properties.type == KFD_QUEUE_TYPE_SDMA ||
q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI)) {
+
+ if (!dqm->sched_running) {
+ WARN_ONCE(1, "Update non-HWS queue while stopped\n");
+ goto out_unlock;
+ }
+
retval = mqd_mgr->destroy_mqd(mqd_mgr, q->mqd,
KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN,
KFD_UNMAP_LATENCY_MS, q->pipe, q->queue);
@@ -579,7 +604,7 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
goto out;
pdd = qpd_to_pdd(qpd);
- pr_info_ratelimited("Evicting PASID %u queues\n",
+ pr_info_ratelimited("Evicting PASID 0x%x queues\n",
pdd->process->pasid);
/* Mark all queues as evicted. Deactivate all active queues on
@@ -593,6 +618,11 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
q->properties.type)];
q->properties.is_active = false;
+ dqm->queue_count--;
+
+ if (WARN_ONCE(!dqm->sched_running, "Evict when stopped\n"))
+ continue;
+
retval = mqd_mgr->destroy_mqd(mqd_mgr, q->mqd,
KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN,
KFD_UNMAP_LATENCY_MS, q->pipe, q->queue);
@@ -601,7 +631,6 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
* maintain a consistent eviction state
*/
ret = retval;
- dqm->queue_count--;
}
out:
@@ -621,7 +650,7 @@ static int evict_process_queues_cpsch(struct device_queue_manager *dqm,
goto out;
pdd = qpd_to_pdd(qpd);
- pr_info_ratelimited("Evicting PASID %u queues\n",
+ pr_info_ratelimited("Evicting PASID 0x%x queues\n",
pdd->process->pasid);
/* Mark all queues as evicted. Deactivate all active queues on
@@ -667,7 +696,7 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
goto out;
}
- pr_info_ratelimited("Restoring PASID %u queues\n",
+ pr_info_ratelimited("Restoring PASID 0x%x queues\n",
pdd->process->pasid);
/* Update PD Base in QPD */
@@ -702,6 +731,11 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
q->properties.type)];
q->properties.is_active = true;
+ dqm->queue_count++;
+
+ if (WARN_ONCE(!dqm->sched_running, "Restore when stopped\n"))
+ continue;
+
retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, q->pipe,
q->queue, &q->properties, mm);
if (retval && !ret)
@@ -709,7 +743,6 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
* maintain a consistent eviction state
*/
ret = retval;
- dqm->queue_count++;
}
qpd->evicted = 0;
out:
@@ -739,7 +772,7 @@ static int restore_process_queues_cpsch(struct device_queue_manager *dqm,
goto out;
}
- pr_info_ratelimited("Restoring PASID %u queues\n",
+ pr_info_ratelimited("Restoring PASID 0x%x queues\n",
pdd->process->pasid);
/* Update PD Base in QPD */
@@ -879,7 +912,8 @@ static int initialize_nocpsch(struct device_queue_manager *dqm)
dqm->allocated_queues[pipe] |= 1 << queue;
}
- dqm->vmid_bitmap = (1 << dqm->dev->vm_info.vmid_num_kfd) - 1;
+ memset(dqm->vmid_pasid, 0, sizeof(dqm->vmid_pasid));
+
dqm->sdma_bitmap = ~0ULL >> (64 - get_num_sdma_queues(dqm));
dqm->xgmi_sdma_bitmap = ~0ULL >> (64 - get_num_xgmi_sdma_queues(dqm));
@@ -902,12 +936,20 @@ static void uninitialize(struct device_queue_manager *dqm)
static int start_nocpsch(struct device_queue_manager *dqm)
{
init_interrupts(dqm);
- return pm_init(&dqm->packets, dqm);
+
+ if (dqm->dev->device_info->asic_family == CHIP_HAWAII)
+ return pm_init(&dqm->packets, dqm);
+ dqm->sched_running = true;
+
+ return 0;
}
static int stop_nocpsch(struct device_queue_manager *dqm)
{
- pm_uninit(&dqm->packets);
+ if (dqm->dev->device_info->asic_family == CHIP_HAWAII)
+ pm_uninit(&dqm->packets);
+ dqm->sched_running = false;
+
return 0;
}
@@ -1058,6 +1100,7 @@ static int start_cpsch(struct device_queue_manager *dqm)
dqm_lock(dqm);
/* clear hang status when driver try to start the hw scheduler */
dqm->is_hws_hang = false;
+ dqm->sched_running = true;
execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
dqm_unlock(dqm);
@@ -1073,6 +1116,7 @@ static int stop_cpsch(struct device_queue_manager *dqm)
{
dqm_lock(dqm);
unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0);
+ dqm->sched_running = false;
dqm_unlock(dqm);
kfd_gtt_sa_free(dqm->dev, dqm->fence_mem);
@@ -1259,9 +1303,10 @@ static int map_queues_cpsch(struct device_queue_manager *dqm)
{
int retval;
+ if (!dqm->sched_running)
+ return 0;
if (dqm->queue_count <= 0 || dqm->processes_count <= 0)
return 0;
-
if (dqm->active_runlist)
return 0;
@@ -1283,6 +1328,8 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
{
int retval = 0;
+ if (!dqm->sched_running)
+ return 0;
if (dqm->is_hws_hang)
return -EIO;
if (!dqm->active_runlist)
@@ -1676,7 +1723,8 @@ static int allocate_hiq_sdma_mqd(struct device_queue_manager *dqm)
struct kfd_dev *dev = dqm->dev;
struct kfd_mem_obj *mem_obj = &dqm->hiq_sdma_mqd;
uint32_t size = dqm->mqd_mgrs[KFD_MQD_TYPE_SDMA]->mqd_size *
- dev->device_info->num_sdma_engines *
+ (dev->device_info->num_sdma_engines +
+ dev->device_info->num_xgmi_sdma_engines) *
dev->device_info->num_sdma_queues_per_engine +
dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ]->mqd_size;
@@ -1786,10 +1834,13 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev)
case CHIP_VEGA12:
case CHIP_VEGA20:
case CHIP_RAVEN:
+ case CHIP_RENOIR:
case CHIP_ARCTURUS:
device_queue_manager_init_v9(&dqm->asic_ops);
break;
case CHIP_NAVI10:
+ case CHIP_NAVI12:
+ case CHIP_NAVI14:
device_queue_manager_init_v10_navi10(&dqm->asic_ops);
break;
default:
@@ -1883,6 +1934,12 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data)
int pipe, queue;
int r = 0;
+ if (!dqm->sched_running) {
+ seq_printf(m, " Device is stopped\n");
+
+ return 0;
+ }
+
r = dqm->dev->kfd2kgd->hqd_dump(dqm->dev->kgd,
KFD_CIK_HIQ_PIPE, KFD_CIK_HIQ_QUEUE,
&dump, &n_regs);
@@ -1917,7 +1974,8 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data)
}
}
- for (pipe = 0; pipe < get_num_sdma_engines(dqm); pipe++) {
+ for (pipe = 0; pipe < get_num_sdma_engines(dqm) +
+ get_num_xgmi_sdma_engines(dqm); pipe++) {
for (queue = 0;
queue < dqm->dev->device_info->num_sdma_queues_per_engine;
queue++) {
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