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-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c5
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c10
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_events.c4
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c12
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c70
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_topology.c2
7 files changed, 60 insertions, 45 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 07ac724e3ec9..ee3e04e10dae 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -109,7 +109,7 @@ static int kfd_open(struct inode *inode, struct file *filep)
is_32bit_user_mode = in_compat_syscall();
- if (is_32bit_user_mode == true) {
+ if (is_32bit_user_mode) {
dev_warn(kfd_device,
"Process %d (32-bit) failed to open /dev/kfd\n"
"32-bit processes are not supported by amdkfd\n",
@@ -131,12 +131,11 @@ static int kfd_ioctl_get_version(struct file *filep, struct kfd_process *p,
void *data)
{
struct kfd_ioctl_get_version_args *args = data;
- int err = 0;
args->major_version = KFD_IOCTL_MAJOR_VERSION;
args->minor_version = KFD_IOCTL_MINOR_VERSION;
- return err;
+ return 0;
}
static int set_queue_properties_from_user(struct queue_properties *q_properties,
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 4bb7f4223762..f49c551195b3 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -216,7 +216,7 @@ static int allocate_hqd(struct device_queue_manager *dqm, struct queue *q)
}
}
- if (set == false)
+ if (!set)
return -EBUSY;
pr_debug("kfd: DQM %s hqd slot - pipe (%d) queue(%d)\n",
@@ -354,7 +354,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
return -ENOMEM;
}
- if (q->properties.is_active == true)
+ if (q->properties.is_active)
prev_active = true;
/*
@@ -363,9 +363,9 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
* and modify counter accordingly
*/
retval = mqd->update_mqd(mqd, q->mqd, &q->properties);
- if ((q->properties.is_active == true) && (prev_active == false))
+ if ((q->properties.is_active) && (!prev_active))
dqm->queue_count++;
- else if ((q->properties.is_active == false) && (prev_active == true))
+ else if ((!q->properties.is_active) && (prev_active))
dqm->queue_count--;
if (sched_policy != KFD_SCHED_POLICY_NO_HWS)
@@ -954,7 +954,7 @@ static int destroy_queues_cpsch(struct device_queue_manager *dqm,
if (lock)
mutex_lock(&dqm->lock);
- if (dqm->active_runlist == false)
+ if (!dqm->active_runlist)
goto out;
pr_debug("kfd: Before destroying queues, sdma queue count is : %u\n",
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index b6e28dcaea1d..a6a4b2b1c0d9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -177,9 +177,9 @@ static bool allocate_event_notification_slot(struct file *devkfd,
bool ret;
ret = allocate_free_slot(p, page, signal_slot_index);
- if (ret == false) {
+ if (!ret) {
ret = allocate_signal_page(devkfd, p);
- if (ret == true)
+ if (ret)
ret = allocate_free_slot(p, page, signal_slot_index);
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index 8fa894100290..9beae87aadd5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -300,7 +300,7 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev,
break;
}
- if (kq->ops.initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE) == false) {
+ if (!kq->ops.initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE)) {
pr_err("amdkfd: failed to init kernel queue\n");
kfree(kq);
return NULL;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 90f391434fa3..ca8c09326b31 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -98,7 +98,7 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm,
int retval;
BUG_ON(!pm);
- BUG_ON(pm->allocated == true);
+ BUG_ON(pm->allocated);
BUG_ON(is_over_subscription == NULL);
pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription);
@@ -292,7 +292,7 @@ static int pm_create_map_queue(struct packet_manager *pm, uint32_t *buffer,
q->properties.doorbell_off;
packet->mes_map_queues_ordinals[0].bitfields3.is_static =
- (use_static == true) ? 1 : 0;
+ (use_static) ? 1 : 0;
packet->mes_map_queues_ordinals[0].mqd_addr_lo =
lower_32_bits(q->gart_mqd_addr);
@@ -357,7 +357,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
alloc_size_bytes);
list_for_each_entry(kq, &qpd->priv_queue_list, list) {
- if (kq->queue->properties.is_active != true)
+ if (!kq->queue->properties.is_active)
continue;
pr_debug("kfd: static_queue, mapping kernel q %d, is debug status %d\n",
@@ -383,7 +383,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
}
list_for_each_entry(q, &qpd->queues_list, list) {
- if (q->properties.is_active != true)
+ if (!q->properties.is_active)
continue;
pr_debug("kfd: static_queue, mapping user queue %d, is debug status %d\n",
@@ -531,7 +531,7 @@ fail_create_runlist:
fail_acquire_packet_buffer:
mutex_unlock(&pm->lock);
fail_create_runlist_ib:
- if (pm->allocated == true)
+ if (pm->allocated)
pm_release_ib(pm);
return retval;
}
@@ -647,7 +647,7 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type,
default:
BUG();
break;
- };
+ }
pm->priv_queue->ops.submit_packet(pm->priv_queue);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index ac005796b71c..7708d90b9da9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -242,13 +242,19 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn,
pqm_uninit(&p->pqm);
/* Iterate over all process device data structure and check
- * if we should reset all wavefronts */
- list_for_each_entry(pdd, &p->per_device_data, per_device_list)
+ * if we should delete debug managers and reset all wavefronts
+ */
+ list_for_each_entry(pdd, &p->per_device_data, per_device_list) {
+ if ((pdd->dev->dbgmgr) &&
+ (pdd->dev->dbgmgr->pasid == p->pasid))
+ kfd_dbgmgr_destroy(pdd->dev->dbgmgr);
+
if (pdd->reset_wavefronts) {
pr_warn("amdkfd: Resetting all wave fronts\n");
dbgdev_wave_reset_wavefronts(pdd->dev, p);
pdd->reset_wavefronts = false;
}
+ }
mutex_unlock(&p->mutex);
@@ -404,42 +410,52 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid)
idx = srcu_read_lock(&kfd_processes_srcu);
+ /*
+ * Look for the process that matches the pasid. If there is no such
+ * process, we either released it in amdkfd's own notifier, or there
+ * is a bug. Unfortunately, there is no way to tell...
+ */
hash_for_each_rcu(kfd_processes_table, i, p, kfd_processes)
- if (p->pasid == pasid)
- break;
+ if (p->pasid == pasid) {
- srcu_read_unlock(&kfd_processes_srcu, idx);
+ srcu_read_unlock(&kfd_processes_srcu, idx);
- BUG_ON(p->pasid != pasid);
+ pr_debug("Unbinding process %d from IOMMU\n", pasid);
- mutex_lock(&p->mutex);
+ mutex_lock(&p->mutex);
- if ((dev->dbgmgr) && (dev->dbgmgr->pasid == p->pasid))
- kfd_dbgmgr_destroy(dev->dbgmgr);
+ if ((dev->dbgmgr) && (dev->dbgmgr->pasid == p->pasid))
+ kfd_dbgmgr_destroy(dev->dbgmgr);
- pqm_uninit(&p->pqm);
+ pqm_uninit(&p->pqm);
- pdd = kfd_get_process_device_data(dev, p);
+ pdd = kfd_get_process_device_data(dev, p);
- if (!pdd) {
- mutex_unlock(&p->mutex);
- return;
- }
+ if (!pdd) {
+ mutex_unlock(&p->mutex);
+ return;
+ }
- if (pdd->reset_wavefronts) {
- dbgdev_wave_reset_wavefronts(pdd->dev, p);
- pdd->reset_wavefronts = false;
- }
+ if (pdd->reset_wavefronts) {
+ dbgdev_wave_reset_wavefronts(pdd->dev, p);
+ pdd->reset_wavefronts = false;
+ }
- /*
- * Just mark pdd as unbound, because we still need it to call
- * amd_iommu_unbind_pasid() in when the process exits.
- * We don't call amd_iommu_unbind_pasid() here
- * because the IOMMU called us.
- */
- pdd->bound = false;
+ /*
+ * Just mark pdd as unbound, because we still need it
+ * to call amd_iommu_unbind_pasid() in when the
+ * process exits.
+ * We don't call amd_iommu_unbind_pasid() here
+ * because the IOMMU called us.
+ */
+ pdd->bound = false;
- mutex_unlock(&p->mutex);
+ mutex_unlock(&p->mutex);
+
+ return;
+ }
+
+ srcu_read_unlock(&kfd_processes_srcu, idx);
}
struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 74909e72a009..884c96f50c3d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -666,7 +666,7 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
dev->node_props.simd_count);
if (dev->mem_bank_count < dev->node_props.mem_banks_count) {
- pr_warn("kfd: mem_banks_count truncated from %d to %d\n",
+ pr_info_once("kfd: mem_banks_count truncated from %d to %d\n",
dev->node_props.mem_banks_count,
dev->mem_bank_count);
sysfs_show_32bit_prop(buffer, "mem_banks_count",
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