From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH 05/12] drm/i915: Clear FlipDone semantics change for pageflipping on gen3 Date: Wed, 25 Apr 2012 13:48:56 -0700 Message-ID: <20120425134856.4c9e4d0f@jbarnes-desktop> References: <1335304792-17636-1-git-send-email-chris@chris-wilson.co.uk> <1335304792-17636-5-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 oproxy7-pub.bluehost.com (oproxy7-pub.bluehost.com [67.222.55.9]) by gabe.freedesktop.org (Postfix) with SMTP id 11C689E84E for ; Wed, 25 Apr 2012 13:48:59 -0700 (PDT) In-Reply-To: <1335304792-17636-5-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 Tue, 24 Apr 2012 22:59:45 +0100 Chris Wilson wrote: > On later gen3, you are able to select the meaning of the FlipPending > status bit in IIR and change it to FlipDone. This was sometimes done by > the BIOS leading to confusion on just how pageflipping worked on gen3. > Simplify the implementation by using the legacy meaning for all gen3 > machines. > > Note: this makes all gen3 machines equally broken... Looks ok, of course lots of qa on the final result... Reviewed-by: Jesse Barnes -- Jesse Barnes, Intel Open Source Technology Center