[PATCH 12/19] drm/edid: convert drm_parse_cea_ext() to use cea db iter

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Iterate through all CTA data blocks across all CTA Extensions and
DisplayID data blocks.

Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/drm_edid.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index e47bbcd103e6..91f15b561d78 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -5520,8 +5520,9 @@ static void drm_parse_cea_ext(struct drm_connector *connector,
 			      const struct edid *edid)
 {
 	struct drm_display_info *info = &connector->display_info;
+	const struct cea_db *db;
+	struct cea_db_iter iter;
 	const u8 *edid_ext;
-	int i, start, end;
 
 	edid_ext = drm_find_cea_extension(edid);
 	if (!edid_ext)
@@ -5540,26 +5541,26 @@ static void drm_parse_cea_ext(struct drm_connector *connector,
 			info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
 	}
 
-	if (cea_db_offsets(edid_ext, &start, &end))
-		return;
-
-	for_each_cea_db(edid_ext, i, start, end) {
-		const u8 *db = &edid_ext[i];
+	cea_db_iter_edid_begin(edid, &iter);
+	cea_db_iter_for_each(db, &iter) {
+		/* FIXME: convert parsers to use struct cea_db */
+		const u8 *data = (const u8 *)db;
 
 		if (cea_db_is_hdmi_vsdb(db))
-			drm_parse_hdmi_vsdb_video(connector, db);
+			drm_parse_hdmi_vsdb_video(connector, data);
 		if (cea_db_is_hdmi_forum_vsdb(db) ||
 		    cea_db_is_hdmi_forum_scdb(db))
-			drm_parse_hdmi_forum_vsdb(connector, db);
+			drm_parse_hdmi_forum_vsdb(connector, data);
 		if (cea_db_is_microsoft_vsdb(db))
-			drm_parse_microsoft_vsdb(connector, db);
+			drm_parse_microsoft_vsdb(connector, data);
 		if (cea_db_is_y420cmdb(db))
-			drm_parse_y420cmdb_bitmap(connector, db);
+			drm_parse_y420cmdb_bitmap(connector, data);
 		if (cea_db_is_vcdb(db))
-			drm_parse_vcdb(connector, db);
+			drm_parse_vcdb(connector, data);
 		if (cea_db_is_hdmi_hdr_metadata_block(db))
-			drm_parse_hdr_metadata_block(connector, db);
+			drm_parse_hdr_metadata_block(connector, data);
 	}
+	cea_db_iter_end(&iter);
 }
 
 static
-- 
2.30.2




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