From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91C81C433F5 for ; Thu, 9 Sep 2021 20:28:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 527E16113A for ; Thu, 9 Sep 2021 20:28:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 527E16113A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D4FB66E905; Thu, 9 Sep 2021 20:28:37 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1451F6E905 for ; Thu, 9 Sep 2021 20:28:37 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10102"; a="208126516" X-IronPort-AV: E=Sophos;i="5.85,281,1624345200"; d="scan'208";a="208126516" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2021 13:28:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,281,1624345200"; d="scan'208";a="548743217" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.171]) by fmsmga002.fm.intel.com with SMTP; 09 Sep 2021 13:28:26 -0700 Received: by stinkbox (sSMTP sendmail emulation); Thu, 09 Sep 2021 23:28:25 +0300 Date: Thu, 9 Sep 2021 23:28:25 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: "Souza, Jose" Cc: "daniel@ffwll.ch" , "Mun, Gwan-gyeong" , "Nikula, Jani" , "intel-gfx@lists.freedesktop.org" , "Vivi, Rodrigo" Message-ID: References: <20210909194917.66433-1-jose.souza@intel.com> <32357a14fd9926ac5c332868e3aadfbb8105caf9.camel@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <32357a14fd9926ac5c332868e3aadfbb8105caf9.camel@intel.com> X-Patchwork-Hint: comment Subject: Re: [Intel-gfx] [PATCH CI 1/2] drm/i915/display/skl+: Drop frontbuffer rendering support X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Thu, Sep 09, 2021 at 08:23:20PM +0000, Souza, Jose wrote: > On Thu, 2021-09-09 at 23:20 +0300, Ville Syrjälä wrote: > > On Thu, Sep 09, 2021 at 12:49:16PM -0700, José Roberto de Souza wrote: > > > By now all the userspace applications should have migrated to atomic > > > or at least be calling DRM_IOCTL_MODE_DIRTYFB. > > > > > > With that we can kill frontbuffer rendering support in i915 for > > > modern platforms. > > > > > > So here converting legacy APIs into atomic commits so it can be > > > properly handled by driver i915. > > > > > > Several IGT tests will fail with this changes, because some tests > > > were stressing those frontbuffer rendering scenarios that no userspace > > > should be using by now, fixes to IGT should be sent soon. > > > > > > > I just gave this a try here and it's unusable. glxgears went from > > 9000 to 120 fps (was expecting 60fps tbh, not sure why I get > > double), everything lags like mad, if I drag a window around > > glxgears/other windows stop updating entirely, etc. NAK > > Can you share your setup? What GPU? Desktop environment? Mesa version? resolutions of sinks? > Will try it in my end. Doesn't really matter as long as you don't have a compositor making a mess of things. This machine is a cfl running mate w/ compositor off, and some 1920x1200 display. -- Ville Syrjälä Intel