From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 19/21] drm/i915: Enable the use of GPU semaphores whilst page-flipping Date: Sat, 16 Apr 2011 15:20:22 +0100 Message-ID: <849307$cguaej@azsmga001.ch.intel.com> References: <1302945465-32115-1-git-send-email-chris@chris-wilson.co.uk> <1302945465-32115-20-git-send-email-chris@chris-wilson.co.uk> <20110416135850.GH3498@viiv.ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com (mga14.intel.com [143.182.124.37]) by gabe.freedesktop.org (Postfix) with ESMTP id 710009E7BF for ; Sat, 16 Apr 2011 07:20:26 -0700 (PDT) In-Reply-To: <20110416135850.GH3498@viiv.ffwll.ch> 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: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Sat, 16 Apr 2011 15:58:52 +0200, Daniel Vetter wrote: > On Sat, Apr 16, 2011 at 10:17:43AM +0100, Chris Wilson wrote: > > As such, being able to use a GPU semaphore and not stall the CPU/GPU > > whilst switching between rings for a pageflip is useful. > > Hey, we could issue flips on the blt ring .... I hear that one day that may even be supported in hardware! What dreams we have! -Chris -- Chris Wilson, Intel Open Source Technology Centre