From owner-freebsd-current@FreeBSD.ORG Wed Feb 11 16:05:27 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 82014848 for ; Wed, 11 Feb 2015 16:05:27 +0000 (UTC) Received: from mail-ig0-x230.google.com (mail-ig0-x230.google.com [IPv6:2607:f8b0:4001:c05::230]) (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 47496389 for ; Wed, 11 Feb 2015 16:05:27 +0000 (UTC) Received: by mail-ig0-f176.google.com with SMTP id hl2so31669792igb.3 for ; Wed, 11 Feb 2015 08:05:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=gsDs0v+9A8uNBik5vgXgiprnQ+Xv35zNXnIlmUcOC+M=; b=09fPotff/tI8CSQZpgSD+TIuXMRIWkwQHJsm9SUavj0G8Vljd9BUy8FZOJDIQ0o1ht 0/knetdDJDAftRUE4aDZQ5BcFWPtRnw1TcmhH+Yj5Ea2cODqtnRIE0XZSmIdpaf8y0Hn EgMiEJCvaEidigvdxW7bOGTEKWdq3org+zQmBSp/S2WFkmV5loObxj50BIkI6MYOQvwb rKUG35SX1Bmn+PEd8PrR2WZCmoczEtLwf8jPu0rGHulyCEtvQmjELlajYeN+4D7sq4df Hgo1043CdFxshOzQLEp+RxjX5DYm66jBGGFloPZ5gZIQ7XPeEYkxZ4YYqfBVICVBXm5g 5FHg== MIME-Version: 1.0 X-Received: by 10.50.79.135 with SMTP id j7mr30627271igx.32.1423670726187; Wed, 11 Feb 2015 08:05:26 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.36.17.7 with HTTP; Wed, 11 Feb 2015 08:05:26 -0800 (PST) In-Reply-To: References: Date: Wed, 11 Feb 2015 08:05:26 -0800 X-Google-Sender-Auth: 6991x3qq_ESm1OJWDA5OHGBlRrQ Message-ID: Subject: Re: r277959 breaks X display on IvyBridge mobile GT2 IG From: Adrian Chadd To: Ian FREISLICH Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current 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: Wed, 11 Feb 2015 16:05:27 -0000 Hi, There's a "invert backlight" option in i915, try setting it to 1? -a On 11 February 2015 at 07:41, Ian FREISLICH wrote: > Hi > > With this commit 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 > =================================================================== > --- 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); > } > > void intel_modeset_init_hw(struct drm_device *dev) > > > vgapci0@pci0:0:2:0: class=0x030000 card=0x15171043 chip=0x01668086 rev=0x09 > hdr=0x00 > vendor = 'Intel Corporation' > device = '3rd Gen Core processor Graphics Controller' > class = display > subclass = VGA > cap 05[90] = MSI supports 1 message enabled with 1 message > cap 01[d0] = powerspec 2 supports D0 D3 current D0 > cap 13[a4] = PCI Advanced Features: FLR TP > > Ian > > -- > Ian Freislich > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"