ea36397590
- dp_aux: add LinkStatus check (DPCD 0x202-0x207), sink_count read (0x200) - hdmi: expand compute_cea_vic to 27 CEA modes, add VSIF (HDMI 1.4+), add is_hdmi_sink() EDID CEA-861 extension block detection - vbt: support modern 38-byte child device config format (BDB block 33/34), parse_child_device_table handles both legacy 2-byte and v2 entries