From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH v2] drm/i915: Fix PIPE_CONTROL DW/QW write through global GTT on IVB+ Date: Fri, 15 Feb 2013 11:10:17 +0100 Message-ID: <20130215101017.GC5813@phenom.ffwll.local> References: <1360871631-20578-1-git-send-email-ville.syrjala@linux.intel.com> <20130214224642.GA26753@bwidawsk.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mail-ea0-f181.google.com (mail-ea0-f181.google.com [209.85.215.181]) by gabe.freedesktop.org (Postfix) with ESMTP id B3C75E6AC0 for ; Fri, 15 Feb 2013 02:08:00 -0800 (PST) Received: by mail-ea0-f181.google.com with SMTP id i13so1367639eaa.40 for ; Fri, 15 Feb 2013 02:08:00 -0800 (PST) Content-Disposition: inline In-Reply-To: <20130214224642.GA26753@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: Ben Widawsky Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, Feb 14, 2013 at 02:46:44PM -0800, Ben Widawsky wrote: > On Thu, Feb 14, 2013 at 09:53:51PM +0200, ville.syrjala@linux.intel.com w= rote: > > From: Ville Syrj=E4l=E4 > > = > > The bit controlling whether PIPE_CONTROL DW/QW write targets > > the global GTT or PPGTT moved moved from DW 2 bit 2 to > > DW 1 bit 24 on IVB. > > = > > I verified on IVB that the fix is in fact effective. Without the fix > > none of the scratch writes actually landed in the pipe control page. > > With the fix the writes show up correctly. > > = > > v2: move PIPE_CONTROL_GLOBAL_GTT_IVB setup to where other flags are set > > = > > Signed-off-by: Ville Syrj=E4l=E4 > Reviewed-by: Ben Widawsky Queued for -next, thanks for the patch. -Daniel -- = Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch