From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH v2 3b/3] drm/i915: Kill i915_gem_execbuffer_wait_for_flips() Date: Fri, 02 Nov 2012 13:29:20 +0000 Message-ID: <6c3329$71aqpk@orsmga002.jf.intel.com> References: <1351793163-8542-1-git-send-email-ville.syrjala@linux.intel.com> <1351793163-8542-5-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1884035407==" Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 042D09E7EB for ; Fri, 2 Nov 2012 06:30:05 -0700 (PDT) In-Reply-To: <1351793163-8542-5-git-send-email-ville.syrjala@linux.intel.com> 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: ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============1884035407== Content-Type: text/plain On Thu, 1 Nov 2012 20:06:03 +0200, ville.syrjala@linux.intel.com wrote: > From: Ville Syrjälä > > As per Chris Wilson's suggestion make > i915_gem_execbuffer_wait_for_flips() go away. > > This was used to stall the GPU ring while there are pending > page flips involving the relevant BO. Ie. while the BO is still > being scanned out by the display controller. > > The recommended alternative is to use the page flip events to > wait for the page flips to fully complete before reusing the BO > of the old front buffer. Or use more buffers. > > Signed-off-by: Ville Syrjälä Reviewed-by: Chris Wilson Needs an ack from either Jesse or Kristian. -Chris -- Chris Wilson, Intel Open Source Technology Centre --===============1884035407== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============1884035407==--