gpu/drm/drm_edid.c

1709  * struct drm_edid_iter iter;
1712  * drm_edid_iter_begin(drm_edid, &iter);
1713  * drm_edid_iter_for_each(block, &iter) {
1716  * drm_edid_iter_end(&iter);
1726 				struct drm_edid_iter *iter)
1728 	memset(iter, 0, sizeof(*iter));
1730 	iter->drm_edid = drm_edid;
1733 static const void *__drm_edid_iter_next(struct drm_edid_iter *iter)
1737 	if (!iter->drm_edid)
1740 	if (iter->index < drm_edid_block_count(iter->drm_edid))
1741 		block = drm_edid_block_data(iter->drm_edid, iter->index++);
1749 static void drm_edid_iter_end(struct drm_edid_iter *iter)
1751 	memset(iter, 0, sizeof(*iter));
4221 	struct displayid_iter iter;
4240 	displayid_iter_edid_begin(drm_edid, &iter);
4241 	displayid_iter_for_each(block, &iter) {
4247 	displayid_iter_end(&iter);
4984  * struct cea_db_iter iter;
4986  * cea_db_iter_edid_begin(edid, &iter);
4987  * cea_db_iter_for_each(db, &iter) {
4990  * cea_db_iter_end(&iter);
5047 				   struct cea_db_iter *iter)
5049 	memset(iter, 0, sizeof(*iter));
5051 	drm_edid_iter_begin(drm_edid, &iter->edid_iter);
5052 	displayid_iter_edid_begin(drm_edid, &iter->displayid_iter);
5056 __cea_db_iter_current_block(const struct cea_db_iter *iter)
5060 	if (!iter->collection)
5063 	db = (const struct cea_db *)&iter->collection[iter->index];
5065 	if (iter->index + sizeof(*db) <= iter->end &&
5066 	    iter->index + sizeof(*db) + cea_db_payload_len(db) <= iter->end)
5091 static const void *__cea_db_iter_edid_next(struct cea_db_iter *iter)
5095 	drm_edid_iter_for_each(ext, &iter->edid_iter) {
5106 		iter->index = 4;
5107 		iter->end = iter->index + size;
5123 static const void *__cea_db_iter_displayid_next(struct cea_db_iter *iter)
5127 	displayid_iter_for_each(block, &iter->displayid_iter) {
5135 		iter->index = sizeof(*block);
5136 		iter->end = iter->index + block->num_bytes;
5144 static const struct cea_db *__cea_db_iter_next(struct cea_db_iter *iter)
5148 	if (iter->collection) {
5150 		db = __cea_db_iter_current_block(iter);
5152 			iter->collection = NULL;
5157 		iter->index += sizeof(*db) + cea_db_payload_len(db);
5159 		db = __cea_db_iter_current_block(iter);
5173 		iter->collection = __cea_db_iter_edid_next(iter);
5174 		if (!iter->collection)
5175 			iter->collection = __cea_db_iter_displayid_next(iter);
5177 		if (!iter->collection)
5180 		db = __cea_db_iter_current_block(iter);
5189 static void cea_db_iter_end(struct cea_db_iter *iter)
5191 	displayid_iter_end(&iter->displayid_iter);
5192 	drm_edid_iter_end(&iter->edid_iter);
5194 	memset(iter, 0, sizeof(*iter));
5341 	struct cea_db_iter iter;
5347 	cea_db_iter_edid_begin(drm_edid, &iter);
5348 	cea_db_iter_for_each(db, &iter) {
5360 	cea_db_iter_end(&iter);
5689 	struct cea_db_iter iter;
5712 	cea_db_iter_edid_begin(drm_edid, &iter);
5713 	cea_db_iter_for_each(db, &iter) {
5741 	cea_db_iter_end(&iter);
5763 	struct cea_db_iter iter;
5766 	cea_db_iter_edid_begin(drm_edid, &iter);
5767 	cea_db_iter_for_each(db, &iter) {
5782 	cea_db_iter_end(&iter);
5812 	struct cea_db_iter iter;
5815 	cea_db_iter_edid_begin(drm_edid, &iter);
5816 	cea_db_iter_for_each(db, &iter) {
5827 	cea_db_iter_end(&iter);
5899 	struct cea_db_iter iter;
5906 	cea_db_iter_edid_begin(drm_edid, &iter);
5907 	cea_db_iter_for_each(db, &iter) {
5913 	cea_db_iter_end(&iter);
5941 	struct cea_db_iter iter;
5960 	cea_db_iter_edid_begin(drm_edid, &iter);
5961 	cea_db_iter_for_each(db, &iter) {
5973 	cea_db_iter_end(&iter);
6416 	struct cea_db_iter iter;
6446 	cea_db_iter_edid_begin(drm_edid, &iter);
6447 	cea_db_iter_for_each(db, &iter) {
6471 	cea_db_iter_end(&iter);
6600 	struct displayid_iter iter;
6602 	displayid_iter_edid_begin(drm_edid, &iter);
6603 	displayid_iter_for_each(block, &iter) {
6607 	displayid_iter_end(&iter);
6656 	struct displayid_iter iter;
6658 	displayid_iter_edid_begin(drm_edid, &iter);
6659 	displayid_iter_for_each(block, &iter) {
6660 		if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
6661 		    (displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_VR ||
6662 		     displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_AR))
6671 	displayid_iter_end(&iter);
6866 	struct displayid_iter iter;
6869 	displayid_iter_edid_begin(drm_edid, &iter);
6870 	displayid_iter_for_each(block, &iter) {
6875 	displayid_iter_end(&iter);
7462 static bool displayid_is_tiled_block(const struct displayid_iter *iter,
7465 	return (displayid_version(iter) < DISPLAY_ID_STRUCTURE_VER_20 &&
7467 		(displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
7475 	struct displayid_iter iter;
7479 	displayid_iter_edid_begin(drm_edid, &iter);
7480 	displayid_iter_for_each(block, &iter) {
7481 		if (displayid_is_tiled_block(&iter, block))
7484 	displayid_iter_end(&iter);