From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Kern Subject: Re: atyfb expert needed Date: Fri, 13 Feb 2004 16:41:28 +0100 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <200402131641.29028.alex.kern@gmx.de> References: <1076537453.868.123.camel@gaston> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1ArfTW-0006Aj-Oz for linux-fbdev-devel@lists.sourceforge.net; Fri, 13 Feb 2004 07:43:30 -0800 Received: from mail.gmx.net ([213.165.64.20]) by sc8-sf-mx2.sourceforge.net with smtp (Exim 4.30) id 1ArfOm-0008VO-QC for linux-fbdev-devel@lists.sourceforge.net; Fri, 13 Feb 2004 07:38:36 -0800 In-Reply-To: Content-Disposition: inline Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: linux-fbdev-devel@lists.sourceforge.net Am Donnerstag, 12. Februar 2004 10:29 schrieb Geert Uytterhoeven: > On Thu, 12 Feb 2004, Benjamin Herrenschmidt wrote: > > The current driver in James tree (with generic lcd support) breaks > > the display on the LT-G chip of the powerbook wallstreet. I don't > > have time at the moment to dig into every change (there's a lot). > > > > The "effect" is that the screen appears to be cut in vertical bands, > > each of them displaying a slightly offseted version of what should be > > there with some noise near the right edge. > > > > If that symptom rings any bell about what registers can be wrong, > > that would help me a lot figuring out what's up. > > Sounds like a problem with DSP_CONFIG and DSP_ON_OFF. > > Check aty_dsp_gt(), either the value of fifo_size or the dsp_* values. > > BTW, according to Dani=EBl Mantione the DSP calculations in atyfb have al= ways > been wrong (but apparently worked on most machines due to sheer luck ;-), > so you may want to compare with aty_dsp_gt() in current 2.4. > > Gr{oetje,eeting}s, > > Geert > Hi, mach64_ct.c(where aty_dsp_gt is) from James tree should be identical with=20 Daniel'S 2.4 tree. If not, please send me the diff. Regards Alex ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click