[PATCH 68/72] imx-drm: imx-ldb: Use DDC probe as connection detect

[Philipp Zabel]

Am Freitag, den 31.10.2014, 15:54 -0700 schrieb Steve Longerbeam:
> If a ddc node was specified in the device tree, use it in
> imx_ldb_connector_detect() to probe the ddc with drm_probe_ddc(), if
> the result is success, we know there is a display connected so return
> connected status. Otherwise (no ddc specified in DT) we just have to
> assume connected status.

This is a nice trick, unless of course you have a board with multiple
possible panels, not all of them including the EDID EEPROM. In that case
I guess ddc channel property + fallback timing in DT could always report
a connected panel.

regards
Philipp