From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH] drm/i915: Return a mask of the active rings in the high word of busy_ioctl Date: Wed, 04 Jul 2012 12:42:32 +0100 Message-ID: <1341402210_165583@CP5-2952> References: <1341401108-13866-1-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 fireflyinternet.com (smtp.fireflyinternet.com [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id 16EA1A0A67 for ; Wed, 4 Jul 2012 04:43:35 -0700 (PDT) Received: from cantiga.alporthouse.com (unverified [78.156.66.37]) by fireflyinternet.com (Firefly Internet SMTP) with ESMTP id 117466828-1500050 for ; Wed, 04 Jul 2012 12:43:30 +0100 In-Reply-To: <1341401108-13866-1-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Wed, 4 Jul 2012 12:25:08 +0100, Chris Wilson wrote: > The intention is to help select which engine to use for copies with > interoperating clients - such as a GL client making a request to the X > server to perform a SwapBuffers, which may require copying from the > active GL back buffer to the X front buffer. We choose to report a mask of the active rings to future proof the interface against any changes which may allow for the object to reside upon multiple rings. -Chris -- Chris Wilson, Intel Open Source Technology Centre