From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915/crt: Do not rely upon the HPD presence pin Date: Sat, 9 Jun 2012 00:22:12 +0200 Message-ID: <20120608222212.GI5761@phenom.ffwll.local> References: <1338466133-18386-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f177.google.com (mail-we0-f177.google.com [74.125.82.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 7A7EAA0B62 for ; Fri, 8 Jun 2012 15:20:42 -0700 (PDT) Received: by werc12 with SMTP id c12so1049908wer.36 for ; Fri, 08 Jun 2012 15:20:41 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1338466133-18386-1-git-send-email-chris@chris-wilson.co.uk> 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: Chris Wilson Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, May 31, 2012 at 01:08:53PM +0100, Chris Wilson wrote: > Whilst most monitors do wire up the HPD presence pin, it seems quite a > few KVM do not. Therefore if we simply rely on the HPD pin being > asserted to indicate a connected monitor we fail miserable, so fall back > to performing a DCC query for the EDID. > > Reported-and-tested-by: Matthieu LAVIE > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50501 > Signed-off-by: Chris Wilson Ok, this blew up ... Can you please resend, with Dave's suggestion for a rectified commit message & comment and with a check added such that we don't try to do load_detect on HAS_HOTPLUG machines - I guess it doesn't work too well. Thanks, Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48