From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH] drm/exynos: Get HDMI version from device tree Date: Mon, 07 Jan 2013 15:32:49 -0700 Message-ID: <50EB4D11.7000407@wwwdotorg.org> References: <1357591415-17092-1-git-send-email-seanpaul@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1357591415-17092-1-git-send-email-seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Sean Paul Cc: inki.dae-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: dri-devel@lists.freedesktop.org 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? 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?)