From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: fixup TV load detect Date: Sat, 1 Dec 2012 02:21:09 +0100 Message-ID: <20121201012109.GF4384@phenom.ffwll.local> References: <1352812997-23122-1-git-send-email-daniel.vetter@ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ee0-f49.google.com (mail-ee0-f49.google.com [74.125.83.49]) by gabe.freedesktop.org (Postfix) with ESMTP id C4AB3E639C for ; Sat, 1 Dec 2012 04:57:39 -0800 (PST) Received: by mail-ee0-f49.google.com with SMTP id c4so787237eek.36 for ; Sat, 01 Dec 2012 04:57:35 -0800 (PST) Content-Disposition: inline In-Reply-To: <1352812997-23122-1-git-send-email-daniel.vetter@ffwll.ch> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Intel Graphics Development Cc: Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org On Tue, Nov 13, 2012 at 02:23:17PM +0100, Daniel Vetter wrote: > The docs recommend that we use one high sense to detect composite and > S-Video, and low/inverted sense for component (or general output > detection, but we don't bother with that). > > This might or might not finally clear up the confusion around TV > detection. Historically we've flip-flopped an aweful lot between high > and low sense, with varying amounts of justification (usually none > that would have survived scrunitation). The last just change was > > commit d42c9e2c24f7e7897405b85816bdf4ac924881c0 > Author: Daniel Vetter > Date: Sun Mar 25 22:56:14 2012 +0200 > > drm/i915: reinstate GM45 TV detection fix > > Motivated by the last TV detection bug I could find in our bugzilla. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31519 > Signed-off-by: Daniel Vetter This actually makes matters worse as I've just found out on my gm45 - now it detects a spurious TV. Back to the drawing board. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch