1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 41b3de52b8f1..1c761e12820e 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2359,6 +2359,32 @@ struct edid *drm_do_get_edid(struct drm_connector *connector,
 }
 EXPORT_SYMBOL_GPL(drm_do_get_edid);
 
+/**
+ * drm_edid_raw - Get a pointer to the raw EDID data.
+ * @drm_edid: drm_edid container
+ *
+ * Get a pointer to the raw EDID data.
+ *
+ * This is for transition only. Avoid using this like the plague.
+ *
+ * Return: Pointer to raw EDID data.
+ */
+const struct edid *drm_edid_raw(const struct drm_edid *drm_edid)
+{
+	if (!drm_edid || !drm_edid->size)
+		return NULL;
+
+	/*
+	 * Do not return pointers where relying on EDID extension count would
+	 * lead to buffer overflow.
+	 */
+	if (WARN_ON(edid_size(drm_edid->edid) > drm_edid->size))
+		return NULL;
+
+	return drm_edid->edid;
+}
+EXPORT_SYMBOL(drm_edid_raw);
+
 /* Allocate struct drm_edid container *without* duplicating the edid data */
 static const struct drm_edid *_drm_edid_alloc(const void *edid, size_t size)
 {