drm/amdgpu: drop amdgpu_job.owner

Entirely unused.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -1234,7 +1234,6 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 		goto error_abort;
 	}
 
-	job->owner = p->filp;
 	p->fence = dma_fence_get(&job->base.s_fence->finished);
 
 	amdgpu_ctx_add_fence(p->ctx, entity, p->fence, &seq);

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

@@ -153,7 +153,6 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
 	if (r)
 		return r;
 
-	job->owner = owner;
 	*f = dma_fence_get(&job->base.s_fence->finished);
 	amdgpu_job_free_resources(job);
 	priority = job->base.s_priority;

drivers/gpu/drm/amd/amdgpu/amdgpu_job.h

@@ -49,7 +49,6 @@ struct amdgpu_job {
 	uint32_t		preamble_status;
 	uint32_t                preemption_status;
 	uint32_t		num_ibs;
-	void			*owner;
 	bool                    vm_needs_flush;
 	uint64_t		vm_pd_addr;
 	unsigned		vmid;