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[4/6] drm/amdgpu: New VM state for evicted user BOs

Message ID 20231201233438.1709981-4-Felix.Kuehling@amd.com (mailing list archive)
State New, archived
Headers show
Series [1/6] Revert "drm/prime: Unexport helpers for fd/handle conversion" | expand

Commit Message

Felix Kuehling Dec. 1, 2023, 11:34 p.m. UTC 
Create a new VM state to track user BOs that are in the system domain.
In the next patch this will be used do conditionally re-validate them in
amdgpu_vm_handle_moved.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 +++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h |  5 ++++-
 2 files changed, 21 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 7da71b6a9dc6..a748e17ff031 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -233,6 +233,22 @@  static void amdgpu_vm_bo_invalidated(struct amdgpu_vm_bo_base *vm_bo)
 	spin_unlock(&vm_bo->vm->status_lock);
 }
 
+/**
+ * amdgpu_vm_bo_evicted_user - vm_bo is evicted
+ *
+ * @vm_bo: vm_bo which is evicted
+ *
+ * State for BOs used by user mode queues which are not at the location they
+ * should be.
+ */
+static void amdgpu_vm_bo_evicted_user(struct amdgpu_vm_bo_base *vm_bo)
+{
+	vm_bo->moved = true;
+	spin_lock(&vm_bo->vm->status_lock);
+	list_move(&vm_bo->vm_status, &vm_bo->vm->evicted_user);
+	spin_unlock(&vm_bo->vm->status_lock);
+}
+
 /**
  * amdgpu_vm_bo_relocated - vm_bo is reloacted
  *
@@ -2195,6 +2211,7 @@  int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
 		vm->reserved_vmid[i] = NULL;
 	INIT_LIST_HEAD(&vm->evicted);
+	INIT_LIST_HEAD(&vm->evicted_user);
 	INIT_LIST_HEAD(&vm->relocated);
 	INIT_LIST_HEAD(&vm->moved);
 	INIT_LIST_HEAD(&vm->idle);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index b6cd565562ad..9156ed22abe7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -288,9 +288,12 @@  struct amdgpu_vm {
 	/* Lock to protect vm_bo add/del/move on all lists of vm */
 	spinlock_t		status_lock;
 
-	/* BOs who needs a validation */
+	/* Per VM and PT BOs who needs a validation */
 	struct list_head	evicted;
 
+	/* BOs for user mode queues that need a validation */
+	struct list_head	evicted_user;
+
 	/* PT BOs which relocated and their parent need an update */
 	struct list_head	relocated;