From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 1/4] drm/i915/contexts: fix list corruption Date: Tue, 14 Aug 2012 08:36:57 +0100 Message-ID: <1344929828_90110@CP5-2952> References: <1344922871-2248-1-git-send-email-ben@bwidawsk.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from fireflyinternet.com (smtp.fireflyinternet.com [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id E7897A08A3 for ; Tue, 14 Aug 2012 00:37:13 -0700 (PDT) In-Reply-To: <1344922871-2248-1-git-send-email-ben@bwidawsk.net> 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-gfx@lists.freedesktop.org Cc: Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org On Mon, 13 Aug 2012 22:41:08 -0700, Ben Widawsky wrote: > After reset we unconditionally reinitialize lists. If the context switch > hasn't yet completed before the suspend the default context object will > end up on lists that are going to go away when we resume. > > The patch forces the context switch to be synchronous before suspend > assuring that the active/inactive tracking is correct at the time of > resume. > > References: https://bugs.freedesktop.org/show_bug.cgi?id=52429 > Tested-by: Guang A Yang > Signed-off-by: Ben Widawsky Reviewd-by: Chris Wilson -Chris -- Chris Wilson, Intel Open Source Technology Centre