From owner-freebsd-current@FreeBSD.ORG Mon Feb 9 14:54:45 2015 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 843F5928 for ; Mon, 9 Feb 2015 14:54:45 +0000 (UTC) Received: from mail-yk0-f180.google.com (mail-yk0-f180.google.com [209.85.160.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 43978C9A for ; Mon, 9 Feb 2015 14:54:44 +0000 (UTC) Received: by mail-yk0-f180.google.com with SMTP id 19so9923350ykq.11 for ; Mon, 09 Feb 2015 06:54:43 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:mime-version:content-type :content-id:content-transfer-encoding:date:message-id; bh=gZiWKlWiUkLW+S4zjy/1ZcnRtc6JqTpJARkImGKrx6Q=; b=A1v1nsIUpHq7Bq/UJgUE2Zu/35uKkeL4xv2/NCe/eH9oy5ghXAdnVxmG6vvhX18brK MSdqewGRzvSNUz5yeo47XHNmSL6baEjm2nT83Rm+i/N5zsWyLKkdHbfeME5qSlQFpoON bIgIxKoXMq0O0mk4r4YKRIBS8ZZau3wyLfdIk5hHU1Zmv7Nlj6G347SD2amvL0+jt6Ul PSfqR6KPl7s/C1m5CXZFoOJ7XixjNt5wtEYnFzo/GDkKak5yEazcNX3FkSCQhIblkIvI MHQj3Nbji8MDXJAEAM2pi+x0vBHAfekGDhDgUmr2P38+YEqALhA7Q+3ZWeYjgW0AVN8D xabw== X-Gm-Message-State: ALoCoQkRhIcE7zrGPv+ISFkdEN5JZUjwnuqRDedlhMIvK/gF8kNh2xU82mK3GIlvUK70bbmpbzjo X-Received: by 10.170.67.213 with SMTP id j204mr6832940ykj.121.1423493373448; Mon, 09 Feb 2015 06:49:33 -0800 (PST) Received: from clue.co.za ([73.20.223.245]) by mx.google.com with ESMTPSA id l32sm4783205yhq.44.2015.02.09.06.49.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Feb 2015 06:49:32 -0800 (PST) From: Ian FREISLICH X-Google-Original-From: "Ian FREISLICH" Received: from localhost ([127.0.0.1] helo=zen) by clue.co.za with esmtp (Exim 4.85 (FreeBSD)) (envelope-from ) id 1YKpeV-0000IU-Vf for freebsd-current@freebsd.org; Mon, 09 Feb 2015 09:49:31 -0500 To: freebsd-current@freebsd.org Subject: r277959 breaks X display on IvyBridge mobile GT2 IG X-Attribution: BOFH MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1144.1423493371.1@zen> Content-Transfer-Encoding: quoted-printable Date: Mon, 09 Feb 2015 09:49:31 -0500 Message-Id: X-Mailman-Approved-At: Mon, 09 Feb 2015 15:00:58 +0000 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Feb 2015 14:54:45 -0000 Hi With this, my display blanks and never lights up when X starts. [zen] /usr/src # svn diff -r 277958:277959 Index: sys/dev/drm2/i915/intel_display.c =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- sys/dev/drm2/i915/intel_display.c (revision 277958) +++ sys/dev/drm2/i915/intel_display.c (revision 277959) @@ -6995,7 +6995,7 @@ */ I915_WRITE(BLC_PWM_CPU_CTL2, PWM_ENABLE); I915_WRITE(BLC_PWM_CPU_CTL, 0); - I915_WRITE(BLC_PWM_PCH_CTL1, PWM_ENABLE | (1<<30)); + I915_WRITE(BLC_PWM_PCH_CTL1, PWM_ENABLE); } vgapci0@pci0:0:2:0: class=3D0x030000 card=3D0x15171043 chip=3D0x016680= 86 rev=3D0x09 = hdr=3D0x00 vendor =3D 'Intel Corporation' device =3D '3rd Gen Core processor Graphics Controller' class =3D display subclass =3D VGA cap 05[90] =3D MSI supports 1 message enabled with 1 message cap 01[d0] =3D powerspec 2 supports D0 D3 current D0 cap 13[a4] =3D PCI Advanced Features: FLR TP = void intel_modeset_init_hw(struct drm_device *dev) Ian -- = Ian Freislich