linux-kernel - Re: [PATCH] drm/i915/dp: Stop enabling limited color ranges for everything

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Date:   Thu, 05 Jan 2017 09:49:51 -0500
From:   Lyude Paul <lyude@...hat.com>
To:     Daniel Vetter <daniel@...ll.ch>,
        Jani Nikula <jani.nikula@...el.com>
Cc:     intel-gfx@...ts.freedesktop.org,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/i915/dp: Stop enabling limited color ranges for
 everything

On Thu, 2017-01-05 at 09:52 +0100, Daniel Vetter wrote:
> On Thu, Jan 05, 2017 at 10:41:07AM +0200, Jani Nikula wrote:
> > No matter what we do here, the question remains what to do with
> > Chamelium. Changing the color range is really a workaround for
> > Chamelium, not a fix. Using CEA range is perfectly fine per DP
> > spec.
> 
Of course, I had just figured this was actually a bug, but I guess not
:). I'll just make sure RGB Broadcast is set in the igt tests then

> Can we just set a non-CEA mode/edid for chamelium, problem solved? We
> want
> to do that anyway for HDMI, where you really have to do the limited
> range
> dance to make stuff display correctly.
> -Daniel