From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Marius_Gr=F6ger?= Subject: Re: [PATCH 2/2] drm/radeon/kms: enable underscan option for digital connectors Date: Sun, 08 Aug 2010 19:58:13 +0200 Message-ID: <4C5EF035.5080407@googlemail.com> References: <1280879960-2065-1-git-send-email-alexdeucher@gmail.com> <4C595C9C.60503@googlemail.com> <4C5EA035.9010703@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ew0-f49.google.com (mail-ew0-f49.google.com [209.85.215.49]) by gabe.freedesktop.org (Postfix) with ESMTP id D496C9E7B3 for ; Sun, 8 Aug 2010 10:58:15 -0700 (PDT) Received: by ewy9 with SMTP id 9so3797692ewy.36 for ; Sun, 08 Aug 2010 10:58:15 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Alex Deucher Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Am 08.08.2010 18:22, wrote Alex Deucher: >> Also, I kind of was hoping that once I could use 1280x720 for both the >> console and the X screen, it would would allow me to switch between the two >> transparently. Instead, the TV takes notice of the switch and needs some >> extra syncing time. Is this expected behaviour? > > You mean switching underscan off and on or a VT switch? The hw has to > reprogram the mode when it changes the underscan. As for a VT switch, > it should just be changing the crtc base, but IIRC there was a bug > where X and the console used slightly different modes in some cases. VT switch. I use video=1280x720@50 on the command line and select the corresponding EDID resolution within X. Is this bug still pending or is my scenario supposed to work? Regards Marius