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	Just free the resources immediately after submitting the job. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
		
			
				
	
	
		
			113 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2015 Advanced Micro Devices, Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *
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 */
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#include <linux/kthread.h>
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#include <linux/wait.h>
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#include <linux/sched.h>
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#include <drm/drmP.h>
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#include "amdgpu.h"
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static struct fence *amdgpu_sched_dependency(struct amd_sched_job *job)
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{
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	struct amdgpu_job *sched_job = (struct amdgpu_job *)job;
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	return amdgpu_sync_get_fence(&sched_job->ibs->sync);
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}
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static struct fence *amdgpu_sched_run_job(struct amd_sched_job *job)
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{
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	struct amdgpu_fence *fence = NULL;
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	struct amdgpu_job *sched_job;
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	int r;
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	if (!job) {
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		DRM_ERROR("job is null\n");
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		return NULL;
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	}
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	sched_job = (struct amdgpu_job *)job;
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	mutex_lock(&sched_job->job_lock);
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	r = amdgpu_ib_schedule(sched_job->adev,
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			       sched_job->num_ibs,
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			       sched_job->ibs,
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			       sched_job->base.owner);
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	if (r) {
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		DRM_ERROR("Error scheduling IBs (%d)\n", r);
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		goto err;
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	}
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	fence = amdgpu_fence_ref(sched_job->ibs[sched_job->num_ibs - 1].fence);
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err:
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	if (sched_job->free_job)
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		sched_job->free_job(sched_job);
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	mutex_unlock(&sched_job->job_lock);
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	fence_put(&sched_job->base.s_fence->base);
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	kfree(sched_job);
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	return fence ? &fence->base : NULL;
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}
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struct amd_sched_backend_ops amdgpu_sched_ops = {
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	.dependency = amdgpu_sched_dependency,
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	.run_job = amdgpu_sched_run_job,
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};
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int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
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					 struct amdgpu_ring *ring,
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					 struct amdgpu_ib *ibs,
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					 unsigned num_ibs,
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					 int (*free_job)(struct amdgpu_job *),
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					 void *owner,
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					 struct fence **f)
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{
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	int r = 0;
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	if (amdgpu_enable_scheduler) {
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		struct amdgpu_job *job =
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			kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
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		if (!job)
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			return -ENOMEM;
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		job->base.sched = ring->scheduler;
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		job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
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		job->adev = adev;
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		job->ibs = ibs;
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		job->num_ibs = num_ibs;
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		job->base.owner = owner;
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		mutex_init(&job->job_lock);
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		job->free_job = free_job;
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		mutex_lock(&job->job_lock);
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		r = amd_sched_entity_push_job((struct amd_sched_job *)job);
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		if (r) {
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			mutex_unlock(&job->job_lock);
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			kfree(job);
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			return r;
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		}
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		*f = fence_get(&job->base.s_fence->base);
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		mutex_unlock(&job->job_lock);
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	} else {
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		r = amdgpu_ib_schedule(adev, num_ibs, ibs, owner);
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		if (r)
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			return r;
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		*f = fence_get(&ibs[num_ibs - 1].fence->base);
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	}
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	return 0;
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}
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