From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Packard Subject: Re: Regression: Screen goes black on KMS Date: Fri, 04 Nov 2011 21:45:26 -0700 Message-ID: References: <20111104222807.GB2175@slate> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0800723843==" Return-path: Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 667D59E84E for ; Fri, 4 Nov 2011 21:45:34 -0700 (PDT) In-Reply-To: <20111104222807.GB2175@slate> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Cedric Sodhi , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============0800723843== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" --=-=-= Content-Transfer-Encoding: quoted-printable On Fri, 4 Nov 2011 23:28:07 +0100, Cedric Sodhi wrote: Non-text part: multipart/mixed > Hello, >=20 > between 3.1 and cc03bbf1 on linux-next there has been a regression which > causes the screen to go black (not blank, backlight is still lit) on > KMS. The system runs fine in the background and, to all it seems, X even > starts, but the screen is black and useless. Please create a bugzilla entry on bugs.freedesktop.org that includes a dmesg capture in working/not-working modes with drm.debug=3D6, and a dump From=20intel_reg_dumper in both working and not-working modes. That'll show how the device is mis-programmed, and with luck, show us where it went wrong. =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUBTrS/ZzYtFsjWk68qAQi9iRAAm/m8G3WQ4jK7bK4UBengumkoaOBfdVCp HK0AaiCwzhD5+A/KTLufpI23H7ls8iOSc//ZtEkhwvpBvVqWoOW19ub336aNY/A8 2kWRmLQZJRJOjqHhP7B7bgukXlSfNDMQMkVnsfCgc4n4iYjrB19v9jeh/6M0w0FX QhsMZYQQYRsEufPNb+4zu0O7VohcNTBsh/8caQErolEz0u8CGappI4+AQ/daxK05 etNq8bsngD28dSUT07P4rNk0dVbhlVxpDRGQds9dPwT70DxxFBDUkDRMuhvW/AXD 4ngxFeZCkGfVPFdBxiytPrXeR5C+xaxrb+snWaLWv4mmXL6NSjCMay4iA4jSp2KD +Cus3huC1o2hBFCBKnfMF+MpK70gF/SV6bCRpIqjS3CpnhgV2iSBt83z0xyipI5p gtagVExN/yKNT54IyHyShFXQUx6rvBssyoZmxeFGiRfV0sM8YsxlNRBXqajuNA/X juwvHqstL+W4dcdYpawXyB/6BFlUC8gs0KXGc4XaYiGW/3k+lTkI55ldI/I1o4hC sUPKWLfuDVt7x7j/YJVNYkvTj2AMJi91dU6j9zBq/TFr+4qN7oliAEx28X7YUgOZ EmOA2MX6VS34yV9KD+lgiQLUy9FCbW9OLFsYEgI5Lo5tt4E7U2nBWcx1iyqDrRFf XZWQKGQXv8A= =2ybN -----END PGP SIGNATURE----- --=-=-=-- --===============0800723843== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============0800723843==--