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path: root/drivers/gpu/drm/xe
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Diffstat (limited to 'drivers/gpu/drm/xe')
-rw-r--r--drivers/gpu/drm/xe/Kconfig5
-rw-r--r--drivers/gpu/drm/xe/xe_exec_queue.c32
-rw-r--r--drivers/gpu/drm/xe/xe_exec_queue.h1
-rw-r--r--drivers/gpu/drm/xe/xe_exec_queue_types.h6
-rw-r--r--drivers/gpu/drm/xe/xe_migrate.c4
-rw-r--r--drivers/gpu/drm/xe/xe_sriov_vf_ccs.c2
-rw-r--r--drivers/gpu/drm/xe/xe_vm.c7
7 files changed, 50 insertions, 7 deletions
diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 4b288eb3f5b0..4d7dcaff2b91 100644
--- a/drivers/gpu/drm/xe/Kconfig
+++ b/drivers/gpu/drm/xe/Kconfig
@@ -39,7 +39,7 @@ config DRM_XE
select DRM_TTM
select DRM_TTM_HELPER
select DRM_EXEC
- select DRM_GPUSVM if !UML && DEVICE_PRIVATE
+ select DRM_GPUSVM if !UML
select DRM_GPUVM
select DRM_SCHED
select MMU_NOTIFIER
@@ -80,8 +80,9 @@ config DRM_XE_GPUSVM
bool "Enable CPU to GPU address mirroring"
depends on DRM_XE
depends on !UML
- depends on DEVICE_PRIVATE
+ depends on ZONE_DEVICE
default y
+ select DEVICE_PRIVATE
select DRM_GPUSVM
help
Enable this option if you want support for CPU to GPU address
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index a940849bb6c7..9b6311f7fd4f 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -409,6 +409,7 @@ struct xe_exec_queue *xe_exec_queue_create_class(struct xe_device *xe, struct xe
* @xe: Xe device.
* @tile: tile which bind exec queue belongs to.
* @flags: exec queue creation flags
+ * @user_vm: The user VM which this exec queue belongs to
* @extensions: exec queue creation extensions
*
* Normalize bind exec queue creation. Bind exec queue is tied to migration VM
@@ -422,6 +423,7 @@ struct xe_exec_queue *xe_exec_queue_create_class(struct xe_device *xe, struct xe
*/
struct xe_exec_queue *xe_exec_queue_create_bind(struct xe_device *xe,
struct xe_tile *tile,
+ struct xe_vm *user_vm,
u32 flags, u64 extensions)
{
struct xe_gt *gt = tile->primary_gt;
@@ -458,6 +460,9 @@ struct xe_exec_queue *xe_exec_queue_create_bind(struct xe_device *xe,
xe_exec_queue_put(q);
return ERR_PTR(err);
}
+
+ if (user_vm)
+ q->user_vm = xe_vm_get(user_vm);
}
return q;
@@ -488,6 +493,11 @@ void xe_exec_queue_destroy(struct kref *ref)
xe_exec_queue_put(eq);
}
+ if (q->user_vm) {
+ xe_vm_put(q->user_vm);
+ q->user_vm = NULL;
+ }
+
q->ops->destroy(q);
}
@@ -1118,6 +1128,22 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data,
XE_IOCTL_DBG(xe, eci[0].engine_instance != 0))
return -EINVAL;
+ vm = xe_vm_lookup(xef, args->vm_id);
+ if (XE_IOCTL_DBG(xe, !vm))
+ return -ENOENT;
+
+ err = down_read_interruptible(&vm->lock);
+ if (err) {
+ xe_vm_put(vm);
+ return err;
+ }
+
+ if (XE_IOCTL_DBG(xe, xe_vm_is_closed_or_banned(vm))) {
+ up_read(&vm->lock);
+ xe_vm_put(vm);
+ return -ENOENT;
+ }
+
for_each_tile(tile, xe, id) {
struct xe_exec_queue *new;
@@ -1125,9 +1151,11 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data,
if (id)
flags |= EXEC_QUEUE_FLAG_BIND_ENGINE_CHILD;
- new = xe_exec_queue_create_bind(xe, tile, flags,
+ new = xe_exec_queue_create_bind(xe, tile, vm, flags,
args->extensions);
if (IS_ERR(new)) {
+ up_read(&vm->lock);
+ xe_vm_put(vm);
err = PTR_ERR(new);
if (q)
goto put_exec_queue;
@@ -1139,6 +1167,8 @@ int xe_exec_queue_create_ioctl(struct drm_device *dev, void *data,
list_add_tail(&new->multi_gt_list,
&q->multi_gt_link);
}
+ up_read(&vm->lock);
+ xe_vm_put(vm);
} else {
logical_mask = calc_validate_logical_mask(xe, eci,
args->width,
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.h b/drivers/gpu/drm/xe/xe_exec_queue.h
index b1e51789128f..c9e3a7c2d249 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.h
+++ b/drivers/gpu/drm/xe/xe_exec_queue.h
@@ -28,6 +28,7 @@ struct xe_exec_queue *xe_exec_queue_create_class(struct xe_device *xe, struct xe
u32 flags, u64 extensions);
struct xe_exec_queue *xe_exec_queue_create_bind(struct xe_device *xe,
struct xe_tile *tile,
+ struct xe_vm *user_vm,
u32 flags, u64 extensions);
void xe_exec_queue_fini(struct xe_exec_queue *q);
diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h
index 5fc516b0bb77..f1142e5d3e3e 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue_types.h
+++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h
@@ -90,6 +90,12 @@ struct xe_exec_queue {
struct kref refcount;
/** @vm: VM (address space) for this exec queue */
struct xe_vm *vm;
+ /**
+ * @user_vm: User VM (address space) for this exec queue (bind queues
+ * only)
+ */
+ struct xe_vm *user_vm;
+
/** @class: class of this exec queue */
enum xe_engine_class class;
/**
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index 00eef41a9e36..6e202428aac2 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -2499,7 +2499,7 @@ void xe_migrate_job_lock(struct xe_migrate *m, struct xe_exec_queue *q)
if (is_migrate)
mutex_lock(&m->job_mutex);
else
- xe_vm_assert_held(q->vm); /* User queues VM's should be locked */
+ xe_vm_assert_held(q->user_vm); /* User queues VM's should be locked */
}
/**
@@ -2517,7 +2517,7 @@ void xe_migrate_job_unlock(struct xe_migrate *m, struct xe_exec_queue *q)
if (is_migrate)
mutex_unlock(&m->job_mutex);
else
- xe_vm_assert_held(q->vm); /* User queues VM's should be locked */
+ xe_vm_assert_held(q->user_vm); /* User queues VM's should be locked */
}
#if IS_ENABLED(CONFIG_PROVE_LOCKING)
diff --git a/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c b/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c
index 052a5071e69f..db023fb66a27 100644
--- a/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c
+++ b/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c
@@ -350,7 +350,7 @@ int xe_sriov_vf_ccs_init(struct xe_device *xe)
flags = EXEC_QUEUE_FLAG_KERNEL |
EXEC_QUEUE_FLAG_PERMANENT |
EXEC_QUEUE_FLAG_MIGRATE;
- q = xe_exec_queue_create_bind(xe, tile, flags, 0);
+ q = xe_exec_queue_create_bind(xe, tile, NULL, flags, 0);
if (IS_ERR(q)) {
err = PTR_ERR(q);
goto err_ret;
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 4a316bd49135..dd6d99d7fca8 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -1638,7 +1638,7 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags, struct xe_file *xef)
if (!vm->pt_root[id])
continue;
- q = xe_exec_queue_create_bind(xe, tile, create_flags, 0);
+ q = xe_exec_queue_create_bind(xe, tile, vm, create_flags, 0);
if (IS_ERR(q)) {
err = PTR_ERR(q);
goto err_close;
@@ -3634,6 +3634,11 @@ int xe_vm_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
}
}
+ if (XE_IOCTL_DBG(xe, q && vm != q->user_vm)) {
+ err = -EINVAL;
+ goto put_exec_queue;
+ }
+
/* Ensure all UNMAPs visible */
xe_svm_flush(vm);