1921 			u8 *db = &info->data[i + 1];  in cea_is_hdmi_vsdb_present()  local
1922 			u32 oui = db[0] | (db[1] << 8) | (db[2] << 16);  in cea_is_hdmi_vsdb_present()
2521 cea_db_payload_len(const u8 *db)  in cea_db_payload_len()  argument
2523 	return db[0] & 0x1f;  in cea_db_payload_len()
2527 cea_db_extended_tag(const u8 *db)  in cea_db_extended_tag()  argument
2529 	return db[1];  in cea_db_extended_tag()
2533 cea_db_tag(const u8 *db)  in cea_db_tag()  argument
2535 	return db[0] >> 5;  in cea_db_tag()
2579 static bool cea_db_is_hdmi_vsdb(const u8 *db)  in cea_db_is_hdmi_vsdb()  argument
2583 	if (cea_db_tag(db) != EDID_CEA861_DB_VENDOR)  in cea_db_is_hdmi_vsdb()
2586 	if (cea_db_payload_len(db) < 5)  in cea_db_is_hdmi_vsdb()
2589 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);  in cea_db_is_hdmi_vsdb()
2594 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)  in cea_db_is_hdmi_forum_vsdb()  argument
2598 	if (cea_db_tag(db) != EDID_CEA861_DB_VENDOR)  in cea_db_is_hdmi_forum_vsdb()
2601 	if (cea_db_payload_len(db) < 7)  in cea_db_is_hdmi_forum_vsdb()
2604 	oui = db[3] << 16 | db[2] << 8 | db[1];  in cea_db_is_hdmi_forum_vsdb()
2609 static bool cea_db_is_y420cmdb(const u8 *db)  in cea_db_is_y420cmdb()  argument
2611 	if (cea_db_tag(db) != EDID_CEA861_DB_USE_EXTENDED)  in cea_db_is_y420cmdb()
2614 	if (!cea_db_payload_len(db))  in cea_db_is_y420cmdb()
2617 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)  in cea_db_is_y420cmdb()
2623 static bool cea_db_is_y420vdb(const u8 *db)  in cea_db_is_y420vdb()  argument
2625 	if (cea_db_tag(db) != EDID_CEA861_DB_USE_EXTENDED)  in cea_db_is_y420vdb()
2628 	if (!cea_db_payload_len(db))  in cea_db_is_y420vdb()
2631 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)  in cea_db_is_y420vdb()
2722 int do_cea_modes(struct hdmi_edid_data *data, const u8 *db, u8 len)  in do_cea_modes()  argument
2730 		mode = drm_display_mode_from_vic_index(db, len, i);  in do_cea_modes()
2742 				drm_add_cmdb_modes(db[i], hdmi);  in do_cea_modes()
2908 do_hdmi_vsdb_modes(const u8 *db, u8 len, const u8 *video_db, u8 video_len,  in do_hdmi_vsdb_modes()  argument
2920 	if (!(db[8] & (1 << 5)))  in do_hdmi_vsdb_modes()
2924 	if (db[8] & (1 << 7))  in do_hdmi_vsdb_modes()
2928 	if (db[8] & (1 << 6))  in do_hdmi_vsdb_modes()
2939 	if (db[8 + offset] & (1 << 7)) {  in do_hdmi_vsdb_modes()
2943 		multi_present = (db[8 + offset] & 0x60) >> 5;  in do_hdmi_vsdb_modes()
2947 	vic_len = db[8 + offset] >> 5;  in do_hdmi_vsdb_modes()
2948 	hdmi_3d_len = db[8 + offset] & 0x1f;  in do_hdmi_vsdb_modes()
2953 		vic = db[9 + offset + i];  in do_hdmi_vsdb_modes()
2974 		structure_all = (db[8 + offset] << 8) | db[9 + offset];  in do_hdmi_vsdb_modes()
2978 			mask = (db[10 + offset] << 8) | db[11 + offset];  in do_hdmi_vsdb_modes()
2999 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);  in do_hdmi_vsdb_modes()
3005 		vic_index = db[8 + offset + i] >> 4;  in do_hdmi_vsdb_modes()
3008 		switch (db[8 + offset + i] & 0x0f) {  in do_hdmi_vsdb_modes()
3017 			if ((db[9 + offset + i] >> 4) == 1)  in do_hdmi_vsdb_modes()
3067 				      const u8 *db)  in drm_parse_y420cmdb_bitmap()  argument
3071 	u8 map_len = cea_db_payload_len(db) - 1;  in drm_parse_y420cmdb_bitmap()
3098 		map |= (u64)db[2 + count] << (8 * count);  in drm_parse_y420cmdb_bitmap()
3142 					       const u8 *db)  in drm_parse_ycbcr420_deep_color_info()  argument
3147 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;  in drm_parse_ycbcr420_deep_color_info()
3352 static int cea_db_tag(const u8 *db);
3353 static int cea_db_payload_len(const u8 *db);
3354 static int cea_db_extended_tag(const u8 *db);
3356 static bool cea_db_is_extended_tag(const void *db, int tag)  in cea_db_is_extended_tag()  argument
3358 	return cea_db_tag(db) == CTA_DB_EXTENDED_TAG &&  in cea_db_is_extended_tag()
3359 		cea_db_payload_len(db) >= 1 &&  in cea_db_is_extended_tag()
3360 		cea_db_extended_tag(db) == tag;  in cea_db_is_extended_tag()
3363 static bool cea_db_is_hdmi_forum_eeodb(const void *db)  in cea_db_is_hdmi_forum_eeodb()  argument
3365 	return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_EEODB) &&  in cea_db_is_hdmi_forum_eeodb()
3366 		cea_db_payload_len(db) >= 2;  in cea_db_is_hdmi_forum_eeodb()
3528 drm_parse_hdmi_vsdb_video(struct hdmi_edid_data *data, const u8 *db)  in drm_parse_hdmi_vsdb_video()  argument
3531 	u8 len = cea_db_payload_len(db);  in drm_parse_hdmi_vsdb_video()
3534 		info->dvi_dual = db[6] & 1;  in drm_parse_hdmi_vsdb_video()
3536 		info->max_tmds_clock = db[7] * 5000;  in drm_parse_hdmi_vsdb_video()
3538 	drm_parse_hdmi_deep_color_info(data, db);  in drm_parse_hdmi_vsdb_video()
3544 static bool cea_db_is_scdb(const u8 *db)  in cea_db_is_scdb()  argument
3548 	if (cea_db_tag(db) != USE_EXTENDED_TAG)  in cea_db_is_scdb()
3551 	if (cea_db_payload_len(db) < 7)  in cea_db_is_scdb()
3554 	oui = db[3] << 16 | db[2] << 8 | db[1];  in cea_db_is_scdb()
3583 		const u8 *db = &edid_ext[i];  in drm_parse_cea_ext()  local
3585 		if (cea_db_is_hdmi_vsdb(db))  in drm_parse_cea_ext()
3586 			drm_parse_hdmi_vsdb_video(data, db);  in drm_parse_cea_ext()
3587 		if (cea_db_is_hdmi_forum_vsdb(db) || cea_db_is_scdb(db))  in drm_parse_cea_ext()
3588 			drm_parse_hdmi_forum_vsdb(data, db);  in drm_parse_cea_ext()
3589 		if (cea_db_is_y420cmdb(db))  in drm_parse_cea_ext()
3590 			drm_parse_y420cmdb_bitmap(data, db);  in drm_parse_cea_ext()
3709 	const u8 *db, *hdmi = NULL, *video = NULL;  in add_cea_modes()  local
3729 				db = &cea[i];  in add_cea_modes()
3730 				dbl = cea_db_payload_len(db);  in add_cea_modes()
3732 				if (cea_db_tag(db) == EDID_CEA861_DB_VIDEO) {  in add_cea_modes()
3733 					video = db + 1;  in add_cea_modes()
3736 				} else if (cea_db_is_hdmi_vsdb(db)) {  in add_cea_modes()
3737 					hdmi = db;  in add_cea_modes()
3739 				} else if (cea_db_is_y420vdb(db)) {  in add_cea_modes()
3740 					const u8 *vdb420 = &db[2];  in add_cea_modes()