From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 3/4] drm/i915: Drop the excessive vblank waits from modeset codepaths Date: Wed, 12 Mar 2014 11:16:59 +0200 Message-ID: <20140312091659.GF20292@intel.com> References: <1394559456-7348-1-git-send-email-ville.syrjala@linux.intel.com> <1394559456-7348-4-git-send-email-ville.syrjala@linux.intel.com> <20140312083539.GG23307@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 7963FFAD81 for ; Wed, 12 Mar 2014 02:17:52 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20140312083539.GG23307@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Wed, Mar 12, 2014 at 08:35:39AM +0000, Chris Wilson wrote: > On Tue, Mar 11, 2014 at 07:37:35PM +0200, ville.syrjala@linux.intel.com w= rote: > > From: Ville Syrj=E4l=E4 > > = > > Now that we've plugged the mmio vs. ring flip race, we shouldn't need > > these vblank waits in the modeset codepaths anymore. So get rid of > > them. > = > Hmm, could we not add an assert(DSPSURFLIVE =3D=3D > intel_crtc->dspsurf)? Where would you want the assert? > And maybe start tracking the frame counters? Tracking them for what purpose? -- = Ville Syrj=E4l=E4 Intel OTC