[PATCH 07/13] drm/amdgpu: link all vm clients

[Chunming Zhou]

Add vm client to list tail when creating it, move to head while submit to scheduler.

Change-Id: I0625092f918853303a5ee97ea2eac87fb790ed69
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h        | 6 ++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c     | 4 ++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c     | 3 +++
 4 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 1f941c4a..7e93d34 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -889,6 +889,9 @@ struct amdgpu_vm {
 	/* BO mappings freed, but not yet updated in the PT */
 	struct list_head	freed;
 
+	/* vm itself list */
+	struct list_head	list;
+
 	/* contains the page directory */
 	struct amdgpu_bo	*page_directory;
 	struct amdgpu_bo_list_entry	pd_entry_shadow;
@@ -2160,6 +2163,9 @@ struct amdgpu_device {
 	struct kfd_dev          *kfd;
 
 	struct amdgpu_virtualization virtualization;
+
+	/* link all vm clients */
+	struct list_head		vm_list;
 };
 
 bool amdgpu_device_is_px(struct drm_device *dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 45d5227..d19838b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -835,7 +835,10 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
 static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 			    union drm_amdgpu_cs *cs)
 {
+	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
+	struct amdgpu_vm *vm = &fpriv->vm;
 	struct amdgpu_ring *ring = p->job->ring;
+	struct amdgpu_device *adev = ring->adev;
 	struct amd_sched_entity *entity = &p->ctx->rings[ring->idx].entity;
 	struct amdgpu_job *job;
 	int r;
@@ -858,6 +861,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 
 	trace_amdgpu_cs_ioctl(job);
 	amd_sched_entity_push_job(&job->base);
+	list_move(&vm->list, &adev->vm_list);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 449ea00..877afb5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1559,6 +1559,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	spin_lock_init(&adev->gc_cac_idx_lock);
 	spin_lock_init(&adev->audio_endpt_idx_lock);
 
+	INIT_LIST_HEAD(&adev->vm_list);
+
 	adev->rmmio_base = pci_resource_start(adev->pdev, 5);
 	adev->rmmio_size = pci_resource_len(adev->pdev, 5);
 	adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 4f95dc4..35d939b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1628,6 +1628,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 	INIT_LIST_HEAD(&vm->invalidated);
 	INIT_LIST_HEAD(&vm->cleared);
 	INIT_LIST_HEAD(&vm->freed);
+	INIT_LIST_HEAD(&vm->list);
 
 	pd_size = amdgpu_vm_directory_size(adev);
 	pd_entries = amdgpu_vm_num_pdes(adev);
@@ -1675,6 +1676,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 	vm->pd_entry_shadow.tv.bo = &vm->page_directory->shadow->tbo;
 	vm->pd_entry_shadow.tv.shared = true;
 	vm->pd_entry_shadow.user_pages = NULL;
+	list_add_tail(&vm->list, &adev->vm_list);
 
 	return 0;
 
@@ -1702,6 +1704,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 	struct amdgpu_bo_va_mapping *mapping, *tmp;
 	int i;
 
+	list_del(&vm->list);
 	amd_sched_entity_fini(vm->entity.sched, &vm->entity);
 
 	if (!RB_EMPTY_ROOT(&vm->va)) {
-- 
1.9.1