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-rw-r--r--linux-core/drm_objects.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index e43e8dfd..8055afe1 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -738,6 +738,10 @@ static inline void *drm_bmo_virtual(struct drm_bo_kmap_obj *map, int *is_iomem)
extern void drm_bo_kunmap(struct drm_bo_kmap_obj *map);
extern int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page,
unsigned long num_pages, struct drm_bo_kmap_obj *map);
+extern int drm_bo_pfn_prot(struct drm_buffer_object *bo,
+ unsigned long dst_offset,
+ unsigned long *pfn,
+ pgprot_t *prot);
/*