From: Christian König <christian.koenig@xxxxxxx>
We changed this to use an extra list a while back, but for the next
series I need a separate flag again.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 3 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 37 ++++++++++++++----------------
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 ---
3 files changed, 20 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index a288fa6..e613ba4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -55,6 +55,9 @@ struct amdgpu_bo_va {
/* mappings for this bo_va */
struct list_head invalids;
struct list_head valids;
+
+ /* If the mappings are cleared or filled */
+ bool cleared;
};
struct amdgpu_bo {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index f621dba..16148ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1787,10 +1787,13 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
else
flags = 0x0;
- spin_lock(&vm->status_lock);
- if (!list_empty(&bo_va->base.vm_status))
+ /* We access vm_status without the status lock here, but that is ok
+ * because when we don't clear the BO is locked and so the status can't
+ * change
+ */
+ if ((!clear && !list_empty(&bo_va->base.vm_status)) ||
+ bo_va->cleared != clear)
list_splice_init(&bo_va->valids, &bo_va->invalids);
- spin_unlock(&vm->status_lock);
list_for_each_entry(mapping, &bo_va->invalids, list) {
r = amdgpu_vm_bo_split_mapping(adev, exclusive, pages_addr, vm,
@@ -1800,25 +1803,22 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
return r;
}
- if (trace_amdgpu_vm_bo_mapping_enabled()) {
- list_for_each_entry(mapping, &bo_va->valids, list)
- trace_amdgpu_vm_bo_mapping(mapping);
-
- list_for_each_entry(mapping, &bo_va->invalids, list)
- trace_amdgpu_vm_bo_mapping(mapping);
+ if (vm->use_cpu_for_update) {
+ /* Flush HDP */
+ mb();
+ amdgpu_gart_flush_gpu_tlb(adev, 0);
}
spin_lock(&vm->status_lock);
- list_splice_init(&bo_va->invalids, &bo_va->valids);
list_del_init(&bo_va->base.vm_status);
- if (clear)
- list_add(&bo_va->base.vm_status, &vm->cleared);
spin_unlock(&vm->status_lock);
- if (vm->use_cpu_for_update) {
- /* Flush HDP */
- mb();
- amdgpu_gart_flush_gpu_tlb(adev, 0);
+ list_splice_init(&bo_va->invalids, &bo_va->valids);
+ bo_va->cleared = clear;
+
+ if (trace_amdgpu_vm_bo_mapping_enabled()) {
+ list_for_each_entry(mapping, &bo_va->valids, list)
+ trace_amdgpu_vm_bo_mapping(mapping);
}
return 0;
@@ -2419,9 +2419,7 @@ void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
list_for_each_entry(bo_base, &bo->va, bo_list) {
spin_lock(&bo_base->vm->status_lock);
- if (list_empty(&bo_base->vm_status))
- list_add(&bo_base->vm_status,
- &bo_base->vm->moved);
+ list_move(&bo_base->vm_status, &bo_base->vm->moved);
spin_unlock(&bo_base->vm->status_lock);
}
}
@@ -2508,7 +2506,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
vm->reserved_vmid[i] = NULL;
spin_lock_init(&vm->status_lock);
INIT_LIST_HEAD(&vm->moved);
- INIT_LIST_HEAD(&vm->cleared);
INIT_LIST_HEAD(&vm->freed);
/* create scheduler entity for page table updates */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 9347d28..e705f0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -126,9 +126,6 @@ struct amdgpu_vm {
/* BOs moved, but not yet updated in the PT */
struct list_head moved;
- /* BOs cleared in the PT because of a move */
- struct list_head cleared;
-
/* BO mappings freed, but not yet updated in the PT */
struct list_head freed;
--
2.7.4
