Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751414AbaAMJnw (ORCPT ); Mon, 13 Jan 2014 04:43:52 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:55387 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751355AbaAMJns (ORCPT ); Mon, 13 Jan 2014 04:43:48 -0500 Message-ID: <52D3B544.6070808@ti.com> Date: Mon, 13 Jan 2014 11:43:32 +0200 From: Tomi Valkeinen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Ivaylo Dimitrov CC: , , , , , , Ivaylo Dimitrov , Archit Taneja Subject: Re: [PATCH] OMAPDSS: DISPC: Fix 34xx overlay scaling calculation References: <1389444125-5000-1-git-send-email-ivo.g.dimitrov.75@gmail.com> In-Reply-To: <1389444125-5000-1-git-send-email-ivo.g.dimitrov.75@gmail.com> X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="di3IfJUimkR1swHcb3b2PUMLoDw06ux9U" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --di3IfJUimkR1swHcb3b2PUMLoDw06ux9U Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, On 2014-01-11 14:42, Ivaylo Dimitrov wrote: > From: Ivaylo Dimitrov >=20 > commit 7faa92339bbb1e6b9a80983b206642517327eb75 OMAPDSS: DISPC: Handle > synclost errors in OMAP3 introduces limits check to prevent SYNCLOST er= rors > on OMAP3. However, it misses the logic found in Nokia kernels that is > needed to correctly calculate whether 3 tap or 5 tap rescaler to be use= d as > well as the logic to fallback to 3 taps if 5 taps clock results in too > tight horizontal timings. Without that patch "horizontal timing too tig= ht" > errors are seen when a video with resolution above 640x350 is tried to = be > played. The patch is a forward-ported logic found in Nokia N900 and N9/= 50 > kernels. >=20 > Signed-off-by: Ivaylo Dimitrov I had a quick test with this. Without the patch, on beagle-xm, my scaler test immediately gives "horizontal timing too tight". With the patch, no errors and the scaling seems to work. So looks good. I'll look at the patch a bit more, but I think this is 3.14 material. Tomi --di3IfJUimkR1swHcb3b2PUMLoDw06ux9U Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJS07VEAAoJEPo9qoy8lh71CTMP/0fF8a8+EtwvrdmFNhAg/0OU e5iZSsohg0MWwGj2Ncve5UO3wdSbNhY1SLvEiEh0YRkBuoQE9uCf4cF4B01eoCot KG+7N78cdqgeuuC/9eDeklxwZPKZMeMGxjE/CB57GsI+JDdskjEFvwgKlC+En7D1 PpY/UQvH9q4/wEFrK4iI+eHYkgE1gqR/UvEY0ulKOPjk2FunZycmA6A0G+qS/dKZ cPG88TgtLKV4SJ9z9upDjwAhA+a+8ycydLd6XmrfecvpOz16qmGfL6ANoRAZapgS jhQEGLErHFuk7TEqdjUE4XuzyIA6QD/VH9fE6Ag33l3SJ+F7253PsQwnsz3k9tj7 KrSIwNpKnGNY6JG8e6DDleGQS2lDbqEqyiIBsLcNIP71sXPVRQXEwx5z7zq6KcEX TmOmYWSRoT2HOwD/KMV0woA9NKK9/Vv0005hv9d6yhuhrQxPCO0hgLioKUiZPXnD TTHwXM23djhMo8K0bM0Ej8F4zpwnYiX2sSB3mt1qAQvV8kEQNJW6Cd5sLcYEcD/L cqZ+s4N8PQPnAdARrWdkM0Z4Y++jTxJ2yrrujsERDCsSsyLK5T3arM+18MXy5dw9 e2opDdeJwdtvdsHRQB0thxT45CvY+qVsoeXeVpl7Qw2lyKgql/Lo0PGWVVtKXo4l 7K8uqdmt8wQbuLhur/Im =6nsW -----END PGP SIGNATURE----- --di3IfJUimkR1swHcb3b2PUMLoDw06ux9U-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/