From: Jack Xiao <[email protected]> Destroy the mes process, which free resources of the process.
Signed-off-by: Jack Xiao <[email protected]> Acked-by: Christian König <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- 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
