From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Widawsky <ben@bwidawsk.net>
Subject: Re: [PATCH 2/3 v3] drm/i915: catch gtfifo errors on
	forcewake_put
Date: Tue, 07 Feb 2012 17:41:28 +0100
Message-ID: <4F315438.9010200@bwidawsk.net>
References: <1328628110-5954-1-git-send-email-ben@bwidawsk.net>
	<1328628110-5954-3-git-send-email-ben@bwidawsk.net>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org>
Received: from cloud01.chad-versace.us (184-106-247-128.static.cloud-ips.com
	[184.106.247.128])
	by gabe.freedesktop.org (Postfix) with ESMTP id BBD819EFE9
	for <intel-gfx@lists.freedesktop.org>;
	Tue,  7 Feb 2012 08:42:22 -0800 (PST)
In-Reply-To: <1328628110-5954-3-git-send-email-ben@bwidawsk.net>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
	<mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
	<mailto:intel-gfx-request@lists.freedesktop.org?subject=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: Ben Widawsky <ben@bwidawsk.net>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

On 02/07/2012 04:21 PM, Ben Widawsky wrote:
> This is similar to a patch I wrote several months ago. It's been updated
> for the new FORCEWAKE_MT, and it also no longer clears the debug
> register as it may be helpful to get that for the error state.  Also
> recommended by Chris Wilson, use WARN() instead of DRM_ERROR, so we can
> get a backtrace.

This comment is wrong. It once again clears the debug register. ;\