On Mon, 20 May 2024, Arkadiusz Drabczyk <arkadiusz@xxxxxxxxxxxx> wrote: > My Asus Z97-A motherboard has DVI and HDMI connectors but i915 shows > 2x HDMI ports (and the 3rd one for DP but a separate DP1 is also > shown). Would it be possible to distinguish between DVI and HDMI in > the driver code for example by reading some undocumented VBT registers > or testing port characteristics or something? Please file a bug as described at [1], attach dmesg with drm.debug=14 and VBT as described in the link, and we'll be able to tell you more. Thanks, Jani. [1] https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html -- Jani Nikula, Intel