Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752897AbcD0FzP (ORCPT ); Wed, 27 Apr 2016 01:55:15 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:54514 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697AbcD0FzN (ORCPT ); Wed, 27 Apr 2016 01:55:13 -0400 Subject: Re: [PATCH v2] OMAPDSS: HDMI5: Change DDC timings To: "J.D. Schroeder" References: <1461196973-20370-1-git-send-email-Linux.HWI@garmin.com> <1461259669-5194-1-git-send-email-Linux.HWI@garmin.com> CC: , , , , Jim Lodes , "J.D. Schroeder" From: Tomi Valkeinen Message-ID: <57205439.3010303@ti.com> Date: Wed, 27 Apr 2016 08:55:05 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <1461259669-5194-1-git-send-email-Linux.HWI@garmin.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="vQJDRJ9xgnGmTNv488hk8E89wJlGnMsls" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2708 Lines: 65 --vQJDRJ9xgnGmTNv488hk8E89wJlGnMsls Content-Type: multipart/mixed; boundary="EV0Et3NakTlT1buS2rRFJpBUd86uVWTAH" From: Tomi Valkeinen To: "J.D. Schroeder" Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org, misael.lopez@ti.com, Jim Lodes , "J.D. Schroeder" Message-ID: <57205439.3010303@ti.com> Subject: Re: [PATCH v2] OMAPDSS: HDMI5: Change DDC timings References: <1461196973-20370-1-git-send-email-Linux.HWI@garmin.com> <1461259669-5194-1-git-send-email-Linux.HWI@garmin.com> In-Reply-To: <1461259669-5194-1-git-send-email-Linux.HWI@garmin.com> --EV0Et3NakTlT1buS2rRFJpBUd86uVWTAH Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 21/04/16 20:27, J.D. Schroeder wrote: > From: Jim Lodes >=20 > The DDC scl high and low times were set to the minimum values > from the i2c specification, but the i2c specification takes into > account the rise time and fall time to calculate the frequency. > To pass HDMI certification DDC can not exceed 100kHz therefore in > a system where the rise times and fall times are negligible the high > and low times for scl need to be 10us. >=20 > Signed-off-by: Jim Lodes > Signed-off-by: J.D. Schroeder > --- > drivers/gpu/drm/omapdrm/dss/hdmi5_core.c | 4 ++-- > drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c | 4 ++-- > 2 files changed, 4 insertions(+), 4 deletions(-) Thanks! Queuing this for 4.7. Tomi --EV0Et3NakTlT1buS2rRFJpBUd86uVWTAH-- --vQJDRJ9xgnGmTNv488hk8E89wJlGnMsls Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXIFQ5AAoJEPo9qoy8lh71kkAQAIzgmaUzSgxeCr5E4TSagWbj HXSlzP33OQY2jUCIi5pYRDeqQBsxQXppq8/7VG/n1R37zu9xKV1fQONwdP9qoLcv ZMXChren4PztQWn6SWapoFpWrRUP/eVGk6LiIgyuCKPYorN2s6ZFuY7Nj2LnQ17r p0t5M2Kx21pWtNwiF58IrPbcJof4ajmGwnIz+5iXUeO5tNT+QNqhNavI2z9Ddo2x HVWqcUQjHCfuxwb5pj0h2trgVmPxgsBzTGUzqPogXEkyNjKcwy5ezcQqVi2whYYF uCc9oGGJYVATZbpVF8Wk3y5kXEusqJYhNp1nuCbzultvgcJahUruyrbI23XTR0Kd /cK5Sx9kOu1j1TEGyQbFUJfHWsoDiYHGxXFw/8hMugmEs6wvvTMyX+EelN8zijtw ITzN4xsVbfLbSEyJQBIOunUISkAjr0AOrBrEtotAgbh+xxb8QRSZFPqO/nnrnouC bBx2RHipXiqXvTua534lS+SMSyLTXMJDi5n8s/J7C3to8qQ4dLn5Qm9fjbqyl1BK PYKlr06/VAGWiBTzPL1AYXVFezN30Wy52E5072vkXjRsac6lbF+qzv+ZgPtEP729 VXTDuRyGNxtvdojYuxzEr1sk7Lii/bujXQK3ICFLhaQL6FlhcpNtrB7neKgwKheS wQCbvcaJY3OdtBz/YatP =AMEe -----END PGP SIGNATURE----- --vQJDRJ9xgnGmTNv488hk8E89wJlGnMsls--