This is prepare work to fix a circular lock dependency.
No logic change
Change-Id: I4e0ee918260e7780de972dd71f4ce787b4f6dde9
Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx>
---
.../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 172 ++++++++-------------
1 file changed, 62 insertions(+), 110 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 74944ec..aac7f7b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -42,10 +42,6 @@
static int set_pasid_vmid_mapping(struct device_queue_manager *dqm,
unsigned int pasid, unsigned int vmid);
-static int create_compute_queue_nocpsch(struct device_queue_manager *dqm,
- struct queue *q,
- struct qcm_process_device *qpd);
-
static int execute_queues_cpsch(struct device_queue_manager *dqm,
enum kfd_unmap_queues_filter filter,
uint32_t filter_param);
@@ -55,15 +51,16 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
static int map_queues_cpsch(struct device_queue_manager *dqm);
-static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
- struct queue *q,
- struct qcm_process_device *qpd);
-
static void deallocate_sdma_queue(struct device_queue_manager *dqm,
struct queue *q);
static void deallocate_sdma_queue_locked(struct device_queue_manager *dqm,
struct queue *q);
+static inline void deallocate_hqd(struct device_queue_manager *dqm,
+ struct queue *q);
+static int allocate_hqd(struct device_queue_manager *dqm, struct queue *q);
+static int allocate_sdma_queue(struct device_queue_manager *dqm,
+ struct queue *q);
static void kfd_process_hw_exception(struct work_struct *work);
static inline
@@ -272,6 +269,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
struct qcm_process_device *qpd)
{
int retval;
+ struct mqd_manager *mqd_mgr;
print_queue(q);
@@ -302,18 +300,51 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
q->properties.tba_addr = qpd->tba_addr;
q->properties.tma_addr = qpd->tma_addr;
+ mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
+ q->properties.type)];
if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE)
- retval = create_compute_queue_nocpsch(dqm, q, qpd);
- else if (q->properties.type == KFD_QUEUE_TYPE_SDMA ||
- q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI)
- retval = create_sdma_queue_nocpsch(dqm, q, qpd);
- else
- retval = -EINVAL;
+ {
+ retval = allocate_hqd(dqm, q);
+ if (retval)
+ goto deallocate_vmid;
+ } else if (q->properties.type == KFD_QUEUE_TYPE_SDMA ||
+ q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) {
+ retval = allocate_sdma_queue(dqm, q);
+ if (retval)
+ goto deallocate_vmid;
+ dqm->asic_ops.init_sdma_vm(dqm, q, qpd);
+ }
- if (retval) {
- if (list_empty(&qpd->queues_list))
- deallocate_vmid(dqm, qpd, q);
- goto out_unlock;
+ retval = allocate_doorbell(qpd, q);
+ if (retval)
+ goto out_deallocate_hqd;
+
+ retval = mqd_mgr->init_mqd(mqd_mgr, &q->mqd, &q->mqd_mem_obj,
+ &q->gart_mqd_addr, &q->properties);
+ if (retval)
+ goto out_deallocate_doorbell;
+
+ pr_debug("Loading mqd to hqd on pipe %d, queue %d\n",
+ q->pipe, q->queue);
+
+ if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE)
+ dqm->dev->kfd2kgd->set_scratch_backing_va(
+ dqm->dev->kgd, qpd->sh_hidden_private_base, qpd->vmid);
+
+ if (q->properties.is_active) {
+
+ if (WARN(q->process->mm != current->mm,
+ "should only run in user thread"))
+ retval = -EFAULT;
+ else
+ /* TODO for sdma queue load mqd was called
+ * unconditionally in original code, with mm_struct set
+ * to NULL. I am not sure whether we need to keep
+ * original logic here */
+ retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, q->pipe, q->queue,
+ &q->properties, current->mm);
+ if (retval)
+ goto out_uninit_mqd;
}
list_add(&q->list, &qpd->queues_list);
@@ -334,6 +365,19 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
pr_debug("Total of %d queues are accountable so far\n",
dqm->total_queue_count);
+out_uninit_mqd:
+ mqd_mgr->uninit_mqd(mqd_mgr, q->mqd, q->mqd_mem_obj);
+out_deallocate_doorbell:
+ deallocate_doorbell(qpd, q);
+out_deallocate_hqd:
+ if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE)
+ deallocate_hqd(dqm, q);
+ else if (q->properties.type == KFD_QUEUE_TYPE_SDMA ||
+ q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI)
+ deallocate_sdma_queue_locked(dqm, q);
+deallocate_vmid:
+ if (list_empty(&qpd->queues_list))
+ deallocate_vmid(dqm, qpd, q);
out_unlock:
dqm_unlock(dqm);
return retval;
@@ -379,58 +423,6 @@ static inline void deallocate_hqd(struct device_queue_manager *dqm,
dqm->allocated_queues[q->pipe] |= (1 << q->queue);
}
-static int create_compute_queue_nocpsch(struct device_queue_manager *dqm,
- struct queue *q,
- struct qcm_process_device *qpd)
-{
- struct mqd_manager *mqd_mgr;
- int retval;
-
- mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_COMPUTE];
-
- retval = allocate_hqd(dqm, q);
- if (retval)
- return retval;
-
- retval = allocate_doorbell(qpd, q);
- if (retval)
- goto out_deallocate_hqd;
-
- retval = mqd_mgr->init_mqd(mqd_mgr, &q->mqd, &q->mqd_mem_obj,
- &q->gart_mqd_addr, &q->properties);
- if (retval)
- goto out_deallocate_doorbell;
-
- pr_debug("Loading mqd to hqd on pipe %d, queue %d\n",
- q->pipe, q->queue);
-
- dqm->dev->kfd2kgd->set_scratch_backing_va(
- dqm->dev->kgd, qpd->sh_hidden_private_base, qpd->vmid);
-
- if (!q->properties.is_active)
- return 0;
-
- if (WARN(q->process->mm != current->mm,
- "should only run in user thread"))
- retval = -EFAULT;
- else
- retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, q->pipe, q->queue,
- &q->properties, current->mm);
- if (retval)
- goto out_uninit_mqd;
-
- return 0;
-
-out_uninit_mqd:
- mqd_mgr->uninit_mqd(mqd_mgr, q->mqd, q->mqd_mem_obj);
-out_deallocate_doorbell:
- deallocate_doorbell(qpd, q);
-out_deallocate_hqd:
- deallocate_hqd(dqm, q);
-
- return retval;
-}
-
/* Access to DQM has to be locked before calling destroy_queue_nocpsch_locked
* to avoid asynchronized access
*/
@@ -991,46 +983,6 @@ static void deallocate_sdma_queue(struct device_queue_manager *dqm,
}
}
-static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
- struct queue *q,
- struct qcm_process_device *qpd)
-{
- struct mqd_manager *mqd_mgr;
- int retval;
-
- mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_SDMA];
-
- retval = allocate_sdma_queue(dqm, q);
- if (retval)
- return retval;
-
- retval = allocate_doorbell(qpd, q);
- if (retval)
- goto out_deallocate_sdma_queue_locked;
-
- dqm->asic_ops.init_sdma_vm(dqm, q, qpd);
- retval = mqd_mgr->init_mqd(mqd_mgr, &q->mqd, &q->mqd_mem_obj,
- &q->gart_mqd_addr, &q->properties);
- if (retval)
- goto out_deallocate_doorbell;
-
- retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, 0, 0, &q->properties,
- NULL);
- if (retval)
- goto out_uninit_mqd;
-
- return 0;
-
-out_uninit_mqd:
- mqd_mgr->uninit_mqd(mqd_mgr, q->mqd, q->mqd_mem_obj);
-out_deallocate_doorbell:
- deallocate_doorbell(qpd, q);
-out_deallocate_sdma_queue_locked:
- deallocate_sdma_queue_locked(dqm, q);
-
- return retval;
-}
-
/*
* Device Queue Manager implementation for cp scheduler
*/
--
2.7.4
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