diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_exec_queue.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_vm.c | 8 |
2 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 971e1234b8ea..7d170d37fdbe 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -770,6 +770,15 @@ void xe_exec_queue_update_run_ticks(struct xe_exec_queue *q) xef->run_ticks[q->class] += (new_ts - old_ts) * q->width; } +/** + * xe_exec_queue_kill - permanently stop all execution from an exec queue + * @q: The exec queue + * + * This function permanently stops all activity on an exec queue. If the queue + * is actively executing on the HW, it will be kicked off the engine; any + * pending jobs are discarded and all future submissions are rejected. + * This function is safe to call multiple times. + */ void xe_exec_queue_kill(struct xe_exec_queue *q) { struct xe_exec_queue *eq = q, *next; diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 89d86b7cdb02..d6386be79e91 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -275,6 +275,8 @@ out_up_write: * xe_vm_remove_compute_exec_queue() - Remove compute exec queue from VM * @vm: The VM. * @q: The exec_queue + * + * Note that this function might be called multiple times on the same queue. */ void xe_vm_remove_compute_exec_queue(struct xe_vm *vm, struct xe_exec_queue *q) { @@ -282,8 +284,10 @@ void xe_vm_remove_compute_exec_queue(struct xe_vm *vm, struct xe_exec_queue *q) return; down_write(&vm->lock); - list_del(&q->lr.link); - --vm->preempt.num_exec_queues; + if (!list_empty(&q->lr.link)) { + list_del_init(&q->lr.link); + --vm->preempt.num_exec_queues; + } if (q->lr.pfence) { dma_fence_enable_sw_signaling(q->lr.pfence); dma_fence_put(q->lr.pfence); |