On Jan 7, 2013 5:32 PM, "Stephen Warren" <swarren@xxxxxxxxxxxxx> wrote:
>
> On 01/07/2013 01:43 PM, Sean Paul wrote:
> > Add a property to the hdmi node so we can specify the HDMI version in
> > the device tree instead of just defaulting to v1.4 with the existence of
> > the dt node.
>
> > diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmi.txt b/Documentation/devicetree/bindings/drm/exynos/hdmi.txt
>
> > @@ -11,6 +11,8 @@ Required properties:
> > c) pin function mode.
> > d) optional flags and pull up/down.
> > e) drive strength.
> > +- samsung,supports-hdmi-1.4: Define if device supports HDMI v1.4
> > +- samsung,supports-hdmi-1.3: Define if device supports HDMI v1.3
>
> Which device; the HDMI controller in the SoC, or the HDMI sink?
>
It's the controller.
> The HDMI sync reports what it supports in the EDID, so there shouldn't
> be a need to duplicate this in the device tree (besides, how can you
> know what the user plugged in without parsing the EDID?)
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