From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Lu Subject: Re: I915 did not work whit modset=1 Date: Wed, 08 Jan 2014 20:47:34 +0800 Message-ID: <52CD48E6.3080408@intel.com> References: <52B87360.6050900@der-b.com> <87r48uk02p.fsf@intel.com> <8738kydemf.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 1AF02FA950 for ; Wed, 8 Jan 2014 04:47:16 -0800 (PST) In-Reply-To: <8738kydemf.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: Jani Nikula , der-b , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On 01/08/2014 05:09 PM, Jani Nikula wrote: > On Mon, 30 Dec 2013, Jani Nikula wrote: >> On Mon, 23 Dec 2013, der-b wrote: >>> Hello, >>> >>> i got a new Notebook with an Intel Core i7-3689Y whit a Intel HD >>> Graphics 4000. I got a blank screen while booting but I could use ssh. >>> This happened each time, when I enabled CONFIG_I915_KMS in the kernel >>> config (modeset=1). Setting the option "invert_brightness=1" solved the >>> problem. >> >> Hi Bernd - >> >> The i915.invert_brightness parameter has only ever been needed on some >> gen4 Acer laptops; I suspect this is something else. >> >> Please drop that parameter, and try one of the v3.13-rc kernels or >> video.use_bios_initial_backlight=0 module parameter. > > For completeness, the reporter replied privately that > video.use_bios_initial_backlight=0 works. Is it possible for the reporter to test a v3.13-rc kernel? That param is removed in v3.13 after I did some clean up so it would be great to know if v3.13 kernel still works for him. Thanks, Aaron > > Jani. > > >> >> If those don't help, please file a bug on Product=DRI, >> Component=DRM/Intel as instructed in [1]. >> >> BR, >> Jani. >> >> >> [1] https://01.org/linuxgraphics/documentation/how-report-bugs >> >>> >>> I attached the "lspci -s 00:002 -nn -v" output. >>> I use the gentoo kernel 3.10.17. >>> >>> I hope this helps you a little bit. >>> >>> Kind regards, >>> >>> Bernd Lehmann >>> >>> >>> 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core >>> processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA >>> controller]) >>> Subsystem: Lenovo Device [17aa:3977] >>> Flags: bus master, fast devsel, latency 0, IRQ 42 >>> Memory at e0000000 (64-bit, non-prefetchable) [size=4M] >>> Memory at d0000000 (64-bit, prefetchable) [size=256M] >>> I/O ports at 2000 [size=64] >>> Expansion ROM at [disabled] >>> Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- >>> Capabilities: [d0] Power Management version 2 >>> Capabilities: [a4] PCI Advanced Features >>> Kernel driver in use: i915 >>> Kernel modules: i915 >>> >>> _______________________________________________ >>> dri-devel mailing list >>> dri-devel@lists.freedesktop.org >>> http://lists.freedesktop.org/mailman/listinfo/dri-devel >> >> -- >> Jani Nikula, Intel Open Source Technology Center >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> http://lists.freedesktop.org/mailman/listinfo/dri-devel >