From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: Sandy Bridge Desktop - 1920x1080i interlace not working Date: Thu, 19 Jan 2012 14:15:52 +0100 Message-ID: <20120119131552.GG3779@phenom.ffwll.local> References: <20120117202551.GX4093@phenom.ffwll.local> <20120117213407.GY4093@phenom.ffwll.local> <20120118201234.GF4002@phenom.ffwll.local> <20120119113219.GE3779@phenom.ffwll.local> <20120119121234.GF3779@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f177.google.com (mail-we0-f177.google.com [74.125.82.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 379A49E874 for ; Thu, 19 Jan 2012 05:15:55 -0800 (PST) Received: by werm13 with SMTP id m13so4382662wer.36 for ; Thu, 19 Jan 2012 05:15:54 -0800 (PST) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Alfonso Fiore Cc: Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org On Thu, Jan 19, 2012 at 01:41:30PM +0100, Alfonso Fiore wrote: > On Thu, Jan 19, 2012 at 1:12 PM, Daniel Vetter wrote: > > > > $ xrandr -q > > > > will show all modes detected and the current configuration. Then use the > > normal xrandr commands to select your desired resolution. Also can you > > attach full dmesg with drm.debug=0xe again, the one you've attached is > > missing a few things at the top. Maybe your kernel dmesg buffer is too > > small. You can adjust that size with log_buf_len=2M or so on the kernel > > cmdline. > > > >> > Also, can you describe "oddly placed" more precisely (maybe with a pic)? > >> > >> attached the two pictures of LightDM, with and without nomodeset with > >> kernel keithp plus drm-intel-fixes (without Peter's patch for > >> interlaced). > > > > This looks like overscan/scaling-comp gone wrong (but I haven't ever seen > > that in practice, so not much clue). Rodrigo is working on patches to add > > support for overscan comp, maybe he has a few patches for you to try. > > Ok, > > so I attached the new logs and also a screenshot of how my desktop > looks like and always looked like with Sandy Bridge if I don't use > nomodeset. Some kernels make it flicker, but not this one. > > also, how to change resolution after xrandr -q? I only learned how to > do it in the way I showed earlier. Like Peter said: $ xrandr --output --mode > the output of xrandr is in the logs too. Couldn't find it, it looks like the old targz with the cut-off dmesg. -Daniel PS: Putting the list back on cc. Please don't drop things from cc. Also for quick question it's easier if you prod us on irc, #intel-gfx on freenode. -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48