[PATCH] imx-drm: imx-hdmi: fix hdmi hotplug detection initial state

Fabio Estevam festevam at gmail.com
Tue Jun 10 19:03:05 UTC 2014


Hi Tim,

On Tue, Jun 10, 2014 at 3:54 PM, Tim Harvey <tharvey at gateworks.com> wrote:

> Fabio,
>
> I'm following along with this thread as I see the same thing you do on
> our Ventana boards that support both LVDS and HDMI: without
> hot-plugging the HDMI connector I get not HDMI out simply by having
> the LVDS node populated.
>
> I am curious however how you are getting simultaneous display on both
> LVDS and HDMI on a SabreSD board as the standard resistor loading
> would make the EDID's of both conflict (which causes EDID read
> failures) - perhaps you are using an LVDS display with no EDID or

Yes, there is no EDID in the LVDS I am using.

imxqdl-sabresd.dtsi declares the LVDS resolution to be 1024x768 and it
never changes.


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