From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Packard Subject: Re: "EDID checksum is invalid" Date: Wed, 07 Jan 2015 23:05:22 -0800 Message-ID: <86lhldeor1.fsf@hiro.keithp.com> References: <86387nrum9.fsf@hiro.keithp.com> <20150107062109.GA32123@morell.nvidia.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1283268745==" Return-path: Received: from elaine.keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 757466E3BB for ; Wed, 7 Jan 2015 23:05:27 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Linus Torvalds , Robert Morell Cc: DRI mailing list List-Id: dri-devel@lists.freedesktop.org --===============1283268745== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Linus Torvalds writes: > I'm assuming even the hdmi +5V line is under sw control at least for > power management reasons. Maybe dpms off turns it off, and shouldn't? > My monitor actually says "No HDMI (HML) Cable" when I do "xset dpms > force off". Maybe that's normal, but maybe that's indicative of dpms > turning things a bit *too* off? How about getting a breakout cable so we can actually check the +5V line to see when it turns off? Total Phase makes one, although they only have the DVI ones in stock. A couple of HDMI to DVI converters would let you use this. http://www.totalphase.com/products/video-dvi/ I've even got an i2c protocol sniffer if you want to see what's going on the DDC bus directly. =2D-=20 =2Dkeith --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBVK4sM9siGmkAAAARAQi3nw/+IGCRgWHlYVgLCcZN9Go6mNcoX+86XGpb vsPBaMqNKE/1yRtSUnBvjYVZVirOswL/dkWplmk01C+RJw+Fn0Dq0lODIbNNaker KpTARrNe8EIBIoVuyMj8MtqCFHmPJ7N6XvzAGHoBZ+5DuRuBgbw37r5/ufAY4bdd fGYeK5Ar7ufoBG29DFKfX4ELOEXPQOYSd4i9VymC7X/S5O9xnbEMO94syXEDZo6v fabERbKz/X5A3+h8OcGPpo9Noxe3Mqu1lwB+IARpEu3wZtTrYbxsnwR1hipIFGgU LV3hrrUMfNjTiq23wkJRKDRYu4HqLsYFih+cc2Tm03IEmmDmx4A9KOf/b6CwqdvE UU6DaUdqJSR5Js+4L0tZUW34Oz2XFbD8A96cpymw1+XbNou7zHKbmSzIvHNMXLub iGrP6MO87fRPwDEpxrWKp2ghZrjcQ+4USDLpTxdrqkCIjlAYbO4cd31QSrcm4ef+ p3wsO8i9bGsIJbsn6oq6e1tvp1zlnMWhK2BepG+0tQXN2AVaoHxXw5upX0K2Ajgy WUigwrdahShQTBVyCHu+RkUCsKtnqKcoZiYVrHfW3SVZ+sn0gbb7jE53f3kqRzcy dukrKV3WPpguTsME17CkgpDWxoRna36jUmxL7VBYr8IAuMIcnmjtdbbnIdg3V+TW r+9UwdJguT0= =u4CA -----END PGP SIGNATURE----- --=-=-=-- --===============1283268745== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK --===============1283268745==--