From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 26/30] drm/i915: Maintain fenced gpu access until we flush the fence Date: Wed, 13 Apr 2011 22:58:26 +0200 Message-ID: <20110413205825.GP3660@viiv.ffwll.ch> References: <1302640318-23165-1-git-send-email-chris@chris-wilson.co.uk> <1302640318-23165-27-git-send-email-chris@chris-wilson.co.uk> <20110413193702.GH3660@viiv.ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wy0-f177.google.com (mail-wy0-f177.google.com [74.125.82.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 3540C9E9F1 for ; Wed, 13 Apr 2011 13:58:31 -0700 (PDT) Received: by wyb28 with SMTP id 28so1081370wyb.36 for ; Wed, 13 Apr 2011 13:58:30 -0700 (PDT) Content-Disposition: inline In-Reply-To: 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 Wed, Apr 13, 2011 at 09:15:19PM +0100, Chris Wilson wrote: > On Wed, 13 Apr 2011 21:37:03 +0200, Daniel Vetter wrote: > > On Tue, Apr 12, 2011 at 09:31:54PM +0100, Chris Wilson wrote: > > > We only want to mark the transition from unfenced GPU access by an > > > execbuffer, so that we are forced to flush any pending writes through > > > the fence before updating the register. > > > > The idea behind this change sounds good. > > Whilst I have you in agreement, what do I need to do get your r-b on the > simple bug fix first? ;-) Oops, that went mia. So if you want to roll the bugfix independently Reviewed-by: Daniel Vetter Just add a small comment in the commit msg that it essentially disables that optimization, in case somebody bisects a performance regression to this. -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48