Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966443AbeAJQoW (ORCPT + 1 other); Wed, 10 Jan 2018 11:44:22 -0500 Received: from mail-qk0-f181.google.com ([209.85.220.181]:43682 "EHLO mail-qk0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965075AbeAJQoU (ORCPT ); Wed, 10 Jan 2018 11:44:20 -0500 X-Google-Smtp-Source: ACJfBouY9PUj60pXiOCEUNExPy5pvEg7gJxojsGQzdhzeAcElajBtIMsXLwp9eIxGz4lOQuUpyTYZg== Message-ID: <1515602656.5266.15.camel@ndufresne.ca> Subject: Re: [PATCH v7 0/6] V4L2 Explicit Synchronization From: Nicolas Dufresne To: Gustavo Padovan , linux-media@vger.kernel.org Cc: Hans Verkuil , Mauro Carvalho Chehab , Shuah Khan , Pawel Osciak , Alexandre Courbot , Sakari Ailus , Brian Starkey , Thierry Escande , linux-kernel@vger.kernel.org, Gustavo Padovan Date: Wed, 10 Jan 2018 11:44:16 -0500 In-Reply-To: <20180110160732.7722-1-gustavo@padovan.org> References: <20180110160732.7722-1-gustavo@padovan.org> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-pGVNhnL6838h6CCK7gTP" X-Mailer: Evolution 3.26.3 (3.26.3-1.fc27) Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: --=-pGVNhnL6838h6CCK7gTP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Le mercredi 10 janvier 2018 =C3=A0 14:07 -0200, Gustavo Padovan a =C3=A9cri= t : > v7 bring a fix for a crash when not using fences and a uAPI fix. > I've done a bit more of testing on it and also measured some > performance. On a intel laptop a DRM<->V4L2 pipeline with fences is > runnning twice as faster than the same pipeline with no fences. What does it mean twice faster here ? Nicolas --=-pGVNhnL6838h6CCK7gTP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQSScpfJiL+hb5vvd45xUwItrAaoHAUCWlZC4AAKCRBxUwItrAao HBkPAKDIl+ctr9WaE2IRpXm/nb7SroytGQCghjWle1edOls8KwjIQJaRaFGmeQw= =cK8y -----END PGP SIGNATURE----- --=-pGVNhnL6838h6CCK7gTP--