From owner-freebsd-acpi@freebsd.org Mon Mar 14 20:58:47 2016 Return-Path: Delivered-To: freebsd-acpi@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 97D9BAD12BC; Mon, 14 Mar 2016 20:58:47 +0000 (UTC) (envelope-from eric@metricspace.net) Received: from mail.metricspace.net (207-172-209-83.c3-0.arl-ubr1.sbo-arl.ma.static.cable.rcn.com [207.172.209.83]) by mx1.freebsd.org (Postfix) with ESMTP id 512CB6E5; Mon, 14 Mar 2016 20:58:47 +0000 (UTC) (envelope-from eric@metricspace.net) Received: from [10.74.2.20] (mobile-107-107-57-225.mycingular.net [107.107.57.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: eric) by mail.metricspace.net (Postfix) with ESMTPSA id 493BA16DA; Mon, 14 Mar 2016 20:58:46 +0000 (UTC) User-Agent: K-9 Mail for Android In-Reply-To: References: <25FD6DD3-4BDB-4C2D-9CF2-6DBD857620B0@metricspace.net> MIME-Version: 1.0 Subject: Re: Blank screen on resume From: Eric McCorkle Date: Mon, 14 Mar 2016 16:58:44 -0400 To: Adrian Chadd CC: "freebsd-acpi@freebsd.org" , "freebsd-hackers@freebsd.org" Message-ID: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Mar 2016 20:58:47 -0000 I think I will give that a shot, actually... It seems pretty unfortunate that we'd have to wait for full 3D graphics support on a card in order to get resume working. I can't guarantee success, of course. On March 14, 2016 4:49:51 PM EDT, Adrian Chadd wrote: >On 14 March 2016 at 13:22, Eric McCorkle wrote: >> So no options at all until then? :( > >If you want to figure out what minimal set you need from the >dri/i915kms code to restore backlight happiness, please do. :-P > >But yeah. We'll need to wait for the next dri sync > > >-adrian > >> >> On March 14, 2016 3:43:08 PM EDT, Adrian Chadd > >> wrote: >>> >>> Hiya, >>> >>> Yeah - the drm2 code needs to be involved in resuming, and right now >>> there's no broadwell support in i915kms. >>> >>> Once that gets updated then yeah, the resume backlight will work. >:-P >>> >>> >>> >>> -a >> >> >> -- >> Sent from my Android device with K-9 Mail. Please excuse my brevity. -- Sent from my Android device with K-9 Mail. Please excuse my brevity.