From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: Suggestions on fixing fill_modes ioctl() delays under i915 Date: Mon, 16 Apr 2012 14:41:28 +0100 Message-ID: <1334583703_7713@CP5-2952> References: 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 B0C429E91D for ; Mon, 16 Apr 2012 06:41:47 -0700 (PDT) In-Reply-To: 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: Dan Aloni , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Mon, 16 Apr 2012 15:04:50 +0300, Dan Aloni wrote: > Now you might ask why it is annoying. Well, for instance, say you are > debugging an SDL application. Those type of applications usually result in > the GET_CONTROLLERS ioctl() being called by the X server, and re-running > the same application in a development cycle makes this issue > quite noticeable. The actual problem here is the application requesting a probe of all outputs rather than the list of current outputs. See RRGetScreenResourcesCurrent. -Chris -- Chris Wilson, Intel Open Source Technology Centre