From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VGVyamUgQmVyZ3N0csO2bQ==?= Subject: Re: [PATCH v2 4/5] drm/tegra: Implement VBLANK support Date: Mon, 11 Feb 2013 07:43:20 -0800 Message-ID: <51191198.7020303@nvidia.com> References: <1358179560-26799-1-git-send-email-thierry.reding@avionic-design.de> <1358179560-26799-5-git-send-email-thierry.reding@avionic-design.de> <50FECE63.7090009@tuebingen.mpg.de> <1358879999.1540.22.camel@tellur> <50FEEF92.9060009@tuebingen.mpg.de> <50FF990C.3040902@nvidia.com> <20130211090840.GB3423@avionic-0098.mockup.avionic-design.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130211090840.GB3423-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding Cc: Mario Kleiner , Jon Mayo , Lucas Stach , David Airlie , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" List-Id: linux-tegra@vger.kernel.org On 11.02.2013 01:08, Thierry Reding wrote: > Are the syncpoints incremented even if the VBLANK interrupts are turned > off? If that's the case they could indeed be used as a hardware counter > rather than the fake approach used right now. > > Maybe we should leave the code as it is right now and fix that up once > the syncpoint support has been merged. Yes, the sync point increment signal to host1x is independent of VBLANK interrupt. Definitely not needed yet, so that was a comment for future improvement. Terje