Wire xe_bo_move to GPU SVM migration via new helper xe_svm_bo_evict.
v2:
- Use xe_svm_bo_evict
- Drop bo->range
v3:
- Kernel doc (Thomas)
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
---
drivers/gpu/drm/xe/xe_svm.c | 14 ++++++++++++++
drivers/gpu/drm/xe/xe_svm.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index a417d8942da4..8780a0b2c81e 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -768,6 +768,20 @@ bool xe_svm_has_mapping(struct xe_vm *vm, u64 start, u64 end)
return drm_gpusvm_has_mapping(&vm->svm.gpusvm, start, end);
}
+/**
+ * xe_svm_bo_evict() - SVM evict BO to system memory
+ * @bo: BO to evict
+ *
+ * SVM evict BO to system memory. GPU SVM layer ensures all device pages
+ * are evicted before returning.
+ *
+ * Return: 0 on success standard error code otherwise
+ */
+int xe_svm_bo_evict(struct xe_bo *bo)
+{
+ return drm_gpusvm_evict_to_ram(&bo->devmem_allocation);
+}
+
#if IS_ENABLED(CONFIG_XE_DEVMEM_MIRROR)
static struct drm_pagemap_dma_addr
xe_drm_pagemap_map_dma(struct drm_pagemap *dpagemap,
diff --git a/drivers/gpu/drm/xe/xe_svm.h b/drivers/gpu/drm/xe/xe_svm.h
index d549dd9e8641..9e9d333bb9d3 100644
--- a/drivers/gpu/drm/xe/xe_svm.h
+++ b/drivers/gpu/drm/xe/xe_svm.h
@@ -56,6 +56,8 @@ int xe_svm_handle_pagefault(struct xe_vm *vm, struct xe_vma *vma,
bool xe_svm_has_mapping(struct xe_vm *vm, u64 start, u64 end);
+int xe_svm_bo_evict(struct xe_bo *bo);
+
static inline bool xe_svm_range_pages_valid(struct xe_svm_range *range)
{
return drm_gpusvm_range_pages_valid(range->base.gpusvm, &range->base);
--
2.34.1
