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-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c6
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c3
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c7
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 84da1a9ce37c..56f7307c21d2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -2153,6 +2153,12 @@ static int criu_restore_devices(struct kfd_process *p,
ret = PTR_ERR(pdd);
goto exit;
}
+
+ if (!pdd->doorbell_index &&
+ kfd_alloc_process_doorbells(pdd->dev, &pdd->doorbell_index) < 0) {
+ ret = -ENOMEM;
+ goto exit;
+ }
}
/*
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
index b33798f89ef0..cd4e61bf0493 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
@@ -303,6 +303,9 @@ int kfd_alloc_process_doorbells(struct kfd_dev *kfd, unsigned int *doorbell_inde
if (r > 0)
*doorbell_index = r;
+ if (r < 0)
+ pr_err("Failed to allocate process doorbells\n");
+
return r;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 6e3e7f54381b..5137476ec18e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -857,6 +857,13 @@ int kfd_criu_restore_queue(struct kfd_process *p,
ret = -EINVAL;
goto exit;
}
+
+ if (!pdd->doorbell_index &&
+ kfd_alloc_process_doorbells(pdd->dev, &pdd->doorbell_index) < 0) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+
/* data stored in this order: mqd, ctl_stack */
mqd = q_extra_data;
ctl_stack = mqd + q_data->mqd_size;