From patchwork Fri May 27 11:33:33 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Robert P. J. Day" X-Patchwork-Id: 825352 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p4RKBt2E005633 for ; Fri, 27 May 2011 20:12:17 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8E0549E85F for ; Fri, 27 May 2011 13:11:54 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Fri, 27 May 2011 20:12:17 +0000 (UTC) X-Greylist: delayed 31087 seconds by postgrey-1.31 at gabe; Fri, 27 May 2011 13:11:46 PDT Received: from astoria.ccjclearline.com (astoria.ccjclearline.com [64.235.106.9]) by gabe.freedesktop.org (Postfix) with ESMTP id 215889E773 for ; Fri, 27 May 2011 13:11:46 -0700 (PDT) Received: from cpec03f0ed08c7f-cm001ac318e826.cpe.net.cable.rogers.com ([99.241.2.77] helo=crashcourse.ca) by astoria.ccjclearline.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1QPvIP-00071R-Ol for dri-devel@lists.freedesktop.org; Fri, 27 May 2011 07:33:37 -0400 Date: Fri, 27 May 2011 07:33:33 -0400 (EDT) From: "Robert P. J. Day" X-X-Sender: rpjday@localhost6.localdomain6 To: dri-devel@lists.freedesktop.org Subject: i915 "black screen of death" clearly still an issue Message-ID: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - astoria.ccjclearline.com X-AntiAbuse: Original Domain - lists.freedesktop.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - crashcourse.ca X-Source: X-Source-Args: X-Source-Dir: X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org i just built a kernel for my ubuntu 10.10 system and forgot to include the following patch which is what i've needed to avoid the dreaded black screen of death: and i once again got the black screen. is this still a known and unresolved issue? rday diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index d2c7104..a1a5d03 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -152,6 +152,8 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) struct opregion_asle *asle = dev_priv->opregion.asle; u32 max; +return ASLE_BACKLIGHT_FAILED; // rday + if (!(bclp & ASLE_BCLP_VALID)) return ASLE_BACKLIGHT_FAILED;