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drm/amdgpu/mes: implement destroying mes process

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Destroy the mes process, which free resources of the process.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2020-03-27 15:10:55 +08:00 committed by Alex Deucher
parent 48dcd2b751
commit 063a38d662
2 changed files with 59 additions and 0 deletions
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58
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -291,3 +291,61 @@ clean_up_memory:
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);
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -216,5 +216,6 @@ 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__ */