From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S970921AbdAEOuI (ORCPT ); Thu, 5 Jan 2017 09:50:08 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35714 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S970902AbdAEOtx (ORCPT ); Thu, 5 Jan 2017 09:49:53 -0500 Message-ID: <1483627791.14256.0.camel@redhat.com> Subject: Re: [PATCH] drm/i915/dp: Stop enabling limited color ranges for everything From: Lyude Paul To: Daniel Vetter , Jani Nikula Cc: intel-gfx@lists.freedesktop.org, Chris Wilson , Ville =?ISO-8859-1?Q?Syrj=E4l=E4?= , Daniel Vetter , David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Date: Thu, 05 Jan 2017 09:49:51 -0500 In-Reply-To: <20170105085258.uq6ltsivjewguirf@phenom.ffwll.local> References: <20170105011137.20209-1-lyude@redhat.com> <87bmvlhpb0.fsf@intel.com> <20170105085258.uq6ltsivjewguirf@phenom.ffwll.local> Organization: Red Hat Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 05 Jan 2017 14:49:53 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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