On Jan 7, 2013 5:32 PM, "Stephen Warren" <<a href="mailto:swarren@wwwdotorg.org">swarren@wwwdotorg.org</a>> 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?)