[PATCH] drm/xe: Remove persistent queue support
Tejas Upadhyay
tejas.upadhyay at intel.com
Thu Feb 1 11:46:01 UTC 2024
Multiqueue support will be added in near future which
needs removal of persistent queue feature as it can
work without queues being persistent.
Signed-off-by: Tejas Upadhyay <tejas.upadhyay at intel.com>
---
drivers/gpu/drm/xe/xe_device.c | 38 ------------------------
drivers/gpu/drm/xe/xe_device.h | 4 ---
drivers/gpu/drm/xe/xe_device_types.h | 8 -----
drivers/gpu/drm/xe/xe_exec_queue.c | 26 +---------------
drivers/gpu/drm/xe/xe_exec_queue_types.h | 10 -------
drivers/gpu/drm/xe/xe_execlist.c | 2 --
drivers/gpu/drm/xe/xe_guc_submit.c | 2 --
7 files changed, 1 insertion(+), 89 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 5b84d7305520..d385b50637b0 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -86,9 +86,6 @@ static int xe_file_open(struct drm_device *dev, struct drm_file *file)
return 0;
}
-static void device_kill_persistent_exec_queues(struct xe_device *xe,
- struct xe_file *xef);
-
static void xe_file_close(struct drm_device *dev, struct drm_file *file)
{
struct xe_device *xe = to_xe_device(dev);
@@ -105,7 +102,6 @@ static void xe_file_close(struct drm_device *dev, struct drm_file *file)
mutex_unlock(&xef->exec_queue.lock);
xa_destroy(&xef->exec_queue.xa);
mutex_destroy(&xef->exec_queue.lock);
- device_kill_persistent_exec_queues(xe, xef);
mutex_lock(&xef->vm.lock);
xa_for_each(&xef->vm.xa, idx, vm)
@@ -258,9 +254,6 @@ struct xe_device *xe_device_create(struct pci_dev *pdev,
xa_erase(&xe->usm.asid_to_vm, asid);
}
- drmm_mutex_init(&xe->drm, &xe->persistent_engines.lock);
- INIT_LIST_HEAD(&xe->persistent_engines.list);
-
spin_lock_init(&xe->pinned.lock);
INIT_LIST_HEAD(&xe->pinned.kernel_bo_present);
INIT_LIST_HEAD(&xe->pinned.external_vram);
@@ -599,37 +592,6 @@ void xe_device_shutdown(struct xe_device *xe)
{
}
-void xe_device_add_persistent_exec_queues(struct xe_device *xe, struct xe_exec_queue *q)
-{
- mutex_lock(&xe->persistent_engines.lock);
- list_add_tail(&q->persistent.link, &xe->persistent_engines.list);
- mutex_unlock(&xe->persistent_engines.lock);
-}
-
-void xe_device_remove_persistent_exec_queues(struct xe_device *xe,
- struct xe_exec_queue *q)
-{
- mutex_lock(&xe->persistent_engines.lock);
- if (!list_empty(&q->persistent.link))
- list_del(&q->persistent.link);
- mutex_unlock(&xe->persistent_engines.lock);
-}
-
-static void device_kill_persistent_exec_queues(struct xe_device *xe,
- struct xe_file *xef)
-{
- struct xe_exec_queue *q, *next;
-
- mutex_lock(&xe->persistent_engines.lock);
- list_for_each_entry_safe(q, next, &xe->persistent_engines.list,
- persistent.link)
- if (q->persistent.xef == xef) {
- xe_exec_queue_kill(q);
- list_del_init(&q->persistent.link);
- }
- mutex_unlock(&xe->persistent_engines.lock);
-}
-
void xe_device_wmb(struct xe_device *xe)
{
struct xe_gt *gt = xe_root_mmio_gt(xe);
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
index 462f59e902b1..14be34d9f543 100644
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -42,10 +42,6 @@ int xe_device_probe(struct xe_device *xe);
void xe_device_remove(struct xe_device *xe);
void xe_device_shutdown(struct xe_device *xe);
-void xe_device_add_persistent_exec_queues(struct xe_device *xe, struct xe_exec_queue *q);
-void xe_device_remove_persistent_exec_queues(struct xe_device *xe,
- struct xe_exec_queue *q);
-
void xe_device_wmb(struct xe_device *xe);
static inline struct xe_file *to_xe_file(const struct drm_file *file)
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index eb2b806a1d23..9785eef2e5a4 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -348,14 +348,6 @@ struct xe_device {
struct mutex lock;
} usm;
- /** @persistent_engines: engines that are closed but still running */
- struct {
- /** @persistent_engines.lock: protects persistent engines */
- struct mutex lock;
- /** @persistent_engines.list: list of persistent engines */
- struct list_head list;
- } persistent_engines;
-
/** @pinned: pinned BO state */
struct {
/** @pinned.lock: protected pinned BO list state */
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index c0b7434e78f1..07e18c165478 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -60,7 +60,6 @@ static struct xe_exec_queue *__xe_exec_queue_alloc(struct xe_device *xe,
q->fence_irq = >->fence_irq[hwe->class];
q->ring_ops = gt->ring_ops[hwe->class];
q->ops = gt->exec_queue_ops;
- INIT_LIST_HEAD(&q->persistent.link);
INIT_LIST_HEAD(&q->compute.link);
INIT_LIST_HEAD(&q->multi_gt_link);
@@ -379,23 +378,6 @@ static int exec_queue_set_preemption_timeout(struct xe_device *xe,
return 0;
}
-static int exec_queue_set_persistence(struct xe_device *xe, struct xe_exec_queue *q,
- u64 value, bool create)
-{
- if (XE_IOCTL_DBG(xe, !create))
- return -EINVAL;
-
- if (XE_IOCTL_DBG(xe, xe_vm_in_preempt_fence_mode(q->vm)))
- return -EINVAL;
-
- if (value)
- q->flags |= EXEC_QUEUE_FLAG_PERSISTENT;
- else
- q->flags &= ~EXEC_QUEUE_FLAG_PERSISTENT;
-
- return 0;
-}
-
static int exec_queue_set_job_timeout(struct xe_device *xe, struct xe_exec_queue *q,
u64 value, bool create)
{
@@ -469,7 +451,6 @@ static const xe_exec_queue_set_property_fn exec_queue_set_property_funcs[] = {
[DRM_XE_EXEC_QUEUE_SET_PROPERTY_PRIORITY] = exec_queue_set_priority,
[DRM_XE_EXEC_QUEUE_SET_PROPERTY_TIMESLICE] = exec_queue_set_timeslice,
[DRM_XE_EXEC_QUEUE_SET_PROPERTY_PREEMPTION_TIMEOUT] = exec_queue_set_preemption_timeout,
- [DRM_XE_EXEC_QUEUE_SET_PROPERTY_PERSISTENCE] = exec_queue_set_persistence,
[DRM_XE_EXEC_QUEUE_SET_PROPERTY_JOB_TIMEOUT] = exec_queue_set_job_timeout,
[DRM_XE_EXEC_QUEUE_SET_PROPERTY_ACC_TRIGGER] = exec_queue_set_acc_trigger,
[DRM_XE_EXEC_QUEUE_SET_PROPERTY_ACC_NOTIFY] = exec_queue_set_acc_notify,
@@ -778,8 +759,6 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data,
}
}
- q->persistent.xef = xef;
-
mutex_lock(&xef->exec_queue.lock);
err = xa_alloc(&xef->exec_queue.xa, &id, q, xa_limit_32b, GFP_KERNEL);
mutex_unlock(&xef->exec_queue.lock);
@@ -922,10 +901,7 @@ int xe_exec_queue_destroy_ioctl(struct drm_device *dev, void *data,
if (XE_IOCTL_DBG(xe, !q))
return -ENOENT;
- if (!(q->flags & EXEC_QUEUE_FLAG_PERSISTENT))
- xe_exec_queue_kill(q);
- else
- xe_device_add_persistent_exec_queues(xe, q);
+ xe_exec_queue_kill(q);
trace_xe_exec_queue_close(q);
xe_exec_queue_put(q);
diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h
index 648391961fc4..a695f97ac0f3 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue_types.h
+++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h
@@ -105,16 +105,6 @@ struct xe_exec_queue {
struct xe_guc_exec_queue *guc;
};
- /**
- * @persistent: persistent exec queue state
- */
- struct {
- /** @persistent.xef: file which this exec queue belongs to */
- struct xe_file *xef;
- /** @persisiten.link: link in list of persistent exec queues */
- struct list_head link;
- } persistent;
-
union {
/**
* @parallel: parallel submission state
diff --git a/drivers/gpu/drm/xe/xe_execlist.c b/drivers/gpu/drm/xe/xe_execlist.c
index 58dfe6a78ffe..1788e78caf5c 100644
--- a/drivers/gpu/drm/xe/xe_execlist.c
+++ b/drivers/gpu/drm/xe/xe_execlist.c
@@ -378,8 +378,6 @@ static void execlist_exec_queue_fini_async(struct work_struct *w)
list_del(&exl->active_link);
spin_unlock_irqrestore(&exl->port->lock, flags);
- if (q->flags & EXEC_QUEUE_FLAG_PERSISTENT)
- xe_device_remove_persistent_exec_queues(xe, q);
drm_sched_entity_fini(&exl->entity);
drm_sched_fini(&exl->sched);
kfree(exl);
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 4744668ef60a..efee08680aea 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -1031,8 +1031,6 @@ static void __guc_exec_queue_fini_async(struct work_struct *w)
if (xe_exec_queue_is_lr(q))
cancel_work_sync(&ge->lr_tdr);
- if (q->flags & EXEC_QUEUE_FLAG_PERSISTENT)
- xe_device_remove_persistent_exec_queues(gt_to_xe(q->gt), q);
release_guc_id(guc, q);
xe_sched_entity_fini(&ge->entity);
xe_sched_fini(&ge->sched);
--
2.25.1
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