Track the userq obj for its life time, and reference and
dereference the buffer counter at its creating and destroying
period.
Signed-off-by: Prike Liang <prike.li...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
index 562d12f9d0d2..6cdfeb224f6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
@@ -306,6 +306,8 @@ amdgpu_userq_cleanup(struct amdgpu_userq_mgr *uq_mgr,
struct amdgpu_device *adev = uq_mgr->adev;
const struct amdgpu_userq_funcs *uq_funcs =
adev->userq_funcs[queue->queue_type];
+ /* Drop the userq reference. */
+ amdgpu_userq_buffer_vas_put(queue->vm, queue);
uq_funcs->mqd_destroy(uq_mgr, queue);
amdgpu_userq_fence_driver_free(queue);
idr_remove(&uq_mgr->userq_idr, queue_id);
@@ -646,6 +648,9 @@ amdgpu_userq_create(struct drm_file *filp, union
drm_amdgpu_userq *args)
goto unlock;
}
+ /* refer to the userq objects vm bo*/
+ amdgpu_userq_buffer_vas_get(queue->vm, queue);
+
qid = idr_alloc(&uq_mgr->userq_idr, queue, 1, AMDGPU_MAX_USERQ_COUNT,
GFP_KERNEL);
if (qid < 0) {
drm_file_err(uq_mgr->file, "Failed to allocate a queue id\n");
--
2.34.1
