Re: [PATCH] drm/exynos: Get HDMI version from device tree
From: Stephen Warren <hidden>
Date: 2013-01-07 22:32:49
Also in:
dri-devel
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.
quoted hunk
diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmi.txt b/Documentation/devicetree/bindings/drm/exynos/hdmi.txt
quoted hunk
@@ -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?)