drm/amdgpu: drop client_id from VM

Use the fence context from the scheduler entity.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -115,7 +115,7 @@ static int amdgpu_vmid_grab_reserved_locked(struct amdgpu_vm *vm,
 
 	flushed  = id->flushed_updates;
 	if ((amdgpu_vmid_had_gpu_reset(adev, id)) ||
-	    (atomic64_read(&id->owner) != vm->client_id) ||
+	    (atomic64_read(&id->owner) != vm->entity.fence_context) ||
 	    (job->vm_pd_addr != id->pd_gpu_addr) ||
 	    (updates && (!flushed || updates->context != flushed->context ||
 			dma_fence_is_later(updates, flushed))) ||
@@ -144,7 +144,7 @@ static int amdgpu_vmid_grab_reserved_locked(struct amdgpu_vm *vm,
 		id->flushed_updates = dma_fence_get(updates);
 	}
 	id->pd_gpu_addr = job->vm_pd_addr;
-	atomic64_set(&id->owner, vm->client_id);
+	atomic64_set(&id->owner, vm->entity.fence_context);
 	job->vm_needs_flush = needs_flush;
 	if (needs_flush) {
 		dma_fence_put(id->last_flush);
@@ -242,7 +242,7 @@ int amdgpu_vmid_grab(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
 		if (amdgpu_vmid_had_gpu_reset(adev, id))
 			continue;
 
-		if (atomic64_read(&id->owner) != vm->client_id)
+		if (atomic64_read(&id->owner) != vm->entity.fence_context)
 			continue;
 
 		if (job->vm_pd_addr != id->pd_gpu_addr)
@@ -291,7 +291,7 @@ int amdgpu_vmid_grab(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
 	id->pd_gpu_addr = job->vm_pd_addr;
 	dma_fence_put(id->flushed_updates);
 	id->flushed_updates = dma_fence_get(updates);
-	atomic64_set(&id->owner, vm->client_id);
+	atomic64_set(&id->owner, vm->entity.fence_context);
 
 needs_flush:
 	job->vm_needs_flush = true;

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

@@ -2256,7 +2256,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	uint64_t init_pde_value = 0;
 
 	vm->va = RB_ROOT_CACHED;
-	vm->client_id = atomic64_inc_return(&adev->vm_manager.client_counter);
 	for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
 		vm->reserved_vmid[i] = NULL;
 	spin_lock_init(&vm->status_lock);
@@ -2502,7 +2501,6 @@ void amdgpu_vm_manager_init(struct amdgpu_device *adev)
 		adev->vm_manager.seqno[i] = 0;
 
 	atomic_set(&adev->vm_manager.vm_pte_next_ring, 0);
-	atomic64_set(&adev->vm_manager.client_counter, 0);
 	spin_lock_init(&adev->vm_manager.prt_lock);
 	atomic_set(&adev->vm_manager.num_prt_users, 0);
 

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

@@ -191,8 +191,6 @@ struct amdgpu_vm {
 	/* Scheduler entity for page table updates */
 	struct drm_sched_entity	entity;
 
-	/* client id and PASID (TODO: replace client_id with PASID) */
-	u64                     client_id;
 	unsigned int		pasid;
 	/* dedicated to vm */
 	struct amdgpu_vmid	*reserved_vmid[AMDGPU_MAX_VMHUBS];
@@ -230,8 +228,6 @@ struct amdgpu_vm_manager {
 	struct amdgpu_ring                      *vm_pte_rings[AMDGPU_MAX_RINGS];
 	unsigned				vm_pte_num_rings;
 	atomic_t				vm_pte_next_ring;
-	/* client id counter */
-	atomic64_t				client_counter;
 
 	/* partial resident texture handling */
 	spinlock_t				prt_lock;