From: Jack Xiao <Jack.Xiao@xxxxxxx>
Destroy the mes process, which free resources of the process.
Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 58 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 1 +
2 files changed, 59 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 55005a594be1..05e27636ce20 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -291,3 +291,61 @@ int amdgpu_mes_create_process(struct amdgpu_device *adev, int pasid,
mutex_unlock(&adev->mes.mutex);
return r;
}
+
+void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid)
+{
+ struct amdgpu_mes_process *process;
+ struct amdgpu_mes_gang *gang, *tmp1;
+ struct amdgpu_mes_queue *queue, *tmp2;
+ struct mes_remove_queue_input queue_input;
+ unsigned long flags;
+ int r;
+
+ mutex_lock(&adev->mes.mutex);
+
+ process = idr_find(&adev->mes.pasid_idr, pasid);
+ if (!process) {
+ DRM_WARN("pasid %d doesn't exist\n", pasid);
+ mutex_unlock(&adev->mes.mutex);
+ return;
+ }
+
+ /* free all gangs in the process */
+ list_for_each_entry_safe(gang, tmp1, &process->gang_list, list) {
+ /* free all queues in the gang */
+ list_for_each_entry_safe(queue, tmp2, &gang->queue_list, list) {
+ spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
+ idr_remove(&adev->mes.queue_id_idr, queue->queue_id);
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+
+ queue_input.doorbell_offset = queue->doorbell_off;
+ queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
+
+ r = adev->mes.funcs->remove_hw_queue(&adev->mes,
+ &queue_input);
+ if (r)
+ DRM_WARN("failed to remove hardware queue\n");
+
+ list_del(&queue->list);
+ kfree(queue);
+ }
+
+ idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
+ amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
+ &gang->gang_ctx_gpu_addr,
+ &gang->gang_ctx_cpu_ptr);
+ list_del(&gang->list);
+ kfree(gang);
+ }
+
+ amdgpu_mes_free_process_doorbells(adev, process);
+
+ idr_remove(&adev->mes.pasid_idr, pasid);
+ amdgpu_bo_free_kernel(&process->proc_ctx_bo,
+ &process->proc_ctx_gpu_addr,
+ &process->proc_ctx_cpu_ptr);
+ kfree(process->doorbell_bitmap);
+ kfree(process);
+
+ mutex_unlock(&adev->mes.mutex);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index 010a9727cbec..fa2f47e4cd5a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -215,5 +215,6 @@ void amdgpu_mes_fini(struct amdgpu_device *adev);
int amdgpu_mes_create_process(struct amdgpu_device *adev, int pasid,
struct amdgpu_vm *vm);
+void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid);
#endif /* __AMDGPU_MES_H__ */
--
2.35.1
