diff --git a/drivers/gpu/drm/drm_pagemap.c b/drivers/gpu/drm/drm_pagemap.c
index ba97daedcd49..da58422801d1 100644
--- a/drivers/gpu/drm/drm_pagemap.c
+++ b/drivers/gpu/drm/drm_pagemap.c
@@ -1433,6 +1433,21 @@ struct drm_pagemap *drm_pagemap_page_to_dpagemap(struct page *page)
 }
 EXPORT_SYMBOL_GPL(drm_pagemap_page_to_dpagemap);
 
+/**
+ * drm_pagemap_page_to_devmem() - Return the devmem allocation backing a page
+ * @page: The struct page.
+ *
+ * Return: The &drm_pagemap_devmem backing @page. Undefined if @page was not
+ * populated from a &drm_pagemap.
+ */
+struct drm_pagemap_devmem *drm_pagemap_page_to_devmem(struct page *page)
+{
+	struct drm_pagemap_zdd *zdd = drm_pagemap_page_zone_device_data(page);
+
+	return zdd->devmem_allocation;
+}
+EXPORT_SYMBOL_GPL(drm_pagemap_page_to_devmem);
+
 /**
  * drm_pagemap_populate_mm() - Populate a virtual range with device memory pages
  * @dpagemap: Pointer to the drm_pagemap managing the device memory
diff --git a/include/drm/drm_pagemap.h b/include/drm/drm_pagemap.h
index 95eb4b66b057..376d7d400c8e 100644
--- a/include/drm/drm_pagemap.h
+++ b/include/drm/drm_pagemap.h
@@ -257,6 +257,8 @@ struct drm_pagemap *drm_pagemap_create(struct drm_device *drm,
 
 struct drm_pagemap *drm_pagemap_page_to_dpagemap(struct page *page);
 
+struct drm_pagemap_devmem *drm_pagemap_page_to_devmem(struct page *page);
+
 void drm_pagemap_put(struct drm_pagemap *dpagemap);
 
 #else
@@ -266,6 +268,11 @@ static inline struct drm_pagemap *drm_pagemap_page_to_dpagemap(struct page *page
 	return NULL;
 }
 
+static inline struct drm_pagemap_devmem *drm_pagemap_page_to_devmem(struct page *page)
+{
+	return NULL;
+}
+
 static inline void drm_pagemap_put(struct drm_pagemap *dpagemap)
 {
 }