[Intel-gfx] [PATCH 17/25] drm/edid: add drm_edid helper for drm_edid_to_sad()

[Jani Nikula]

We'll need to propagate drm_edid everywhere.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/drm_edid.c | 37 ++++++++++++++++++++++++-------------
 1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 2017feecbe1c..52ea187394dd 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -4954,24 +4954,14 @@ static void drm_edid_to_eld(struct drm_connector 
*connector,
                      drm_eld_size(eld), total_sad_count);
 }
 
-/**
- * drm_edid_to_sad - extracts SADs from EDID
- * @edid: EDID to parse
- * @sads: pointer that will be set to the extracted SADs
- *
- * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from 
it.
- *
- * Note: The returned pointer needs to be freed using kfree().
- *
- * Return: The number of found SADs or negative number on error.
- */
-int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads)
+static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
+                           struct cea_sad **sads)
 {
        const struct cea_db *db;
        struct cea_db_iter iter;
        int count = 0;
 
-       cea_db_iter_edid_begin(edid, &iter);
+       cea_db_iter_edid_begin(drm_edid->edid, &iter);
        cea_db_iter_for_each(db, &iter) {
                if (cea_db_tag(db) == CTA_DB_AUDIO) {
                        int j;
@@ -4997,6 +4987,27 @@ int drm_edid_to_sad(const struct edid *edid, struct 
cea_sad **sads)
 
        return count;
 }
+
+/**
+ * drm_edid_to_sad - extracts SADs from EDID
+ * @edid: EDID to parse
+ * @sads: pointer that will be set to the extracted SADs
+ *
+ * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from 
it.
+ *
+ * Note: The returned pointer needs to be freed using kfree().
+ *
+ * Return: The number of found SADs or negative number on error.
+ */
+int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads)
+{
+       struct drm_edid drm_edid = {
+               .edid = edid,
+               .size = edid_size(edid),
+       };
+
+       return _drm_edid_to_sad(&drm_edid, sads);
+}
 EXPORT_SYMBOL(drm_edid_to_sad);
 
 /**
-- 
2.30.2