From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Bezlaj Subject: Re: vertical stripes under OpenFirmware and offb Date: Sun, 6 Apr 2003 20:34:33 +0200 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <20030406183433.GA929@gajba.net> References: <20030328110528.GA2403@gajba.net> Mime-Version: 1.0 Return-path: Received: from mail.g-kabel.si ([193.189.173.117]) by sc8-sf-list1.sourceforge.net with esmtp (Cipher TLSv1:DES-CBC3-SHA:168) (Exim 3.31-VA-mm2 #1 (Debian)) id 192Eyd-0007Q6-00 for ; Sun, 06 Apr 2003 11:34:48 -0700 Content-Disposition: inline In-Reply-To: Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: James Simmons Cc: linux-fbdev-devel@lists.sourceforge.net On Wed, Apr 02, 2003 at 11:12:45PM +0100, James Simmons wrote: > > > could anyone explain what kind of misconfiguration of framebuffer in OpenFirmware > > or in general would cause the vertical stripes effect? White stripes, width about the > > same as the width of characters and some garbage pixels between lines on black background. > > If the white stripes would stick together, the screen with letters would look in order. > > Which kernel are you using? What is configuration? > Stock 2.4 kernels with video=imsttfb:vmode:12 boot parameters. I need to modify the DAC type detection for the IMS to work properly..original wrongly detects IBM ramdac.. PCI ID's are used wrongly i suppose. Otherwise if i use offb i get the above mentioned effects as OF does not initialize the dac..so i belive. OF device node: IMS,tt128mb8 lspci output: 01:0f.0 Class 0380: 10e0:9128 (rev 01) Flags: bus master, medium devsel, latency 32, IRQ 29 Memory at 90000000 (32-bit, prefetchable) [size=16M] Expansion ROM at 92000000 [disabled] [size=64K] ON CHIP INFO: IMS TT 128M8 rev 3.6 Chip: Twin Turbo 128+ I2C 0174 IMS 9130 <-- note: PCI ID says 9128 NNM 9644 (two triangles on end..) WE 15680 MALAYSIA DAC chip: VIDEO ( TexasInstruments logo) TVP 3030 -220PPA 6049027 69AE20W > A IMS card user. Could you try out the imsttfb driver as well. I liek to > know how well it works in 2.5.X. I promise i will 8) As soon as i get it to compile/boot properly. And thanks for looking after the driver..the meintainer seems to be on a very looong vacations :( -- Boris ------------------------------------------------------- This SF.net email is sponsored by: ValueWeb: Dedicated Hosting for just $79/mo with 500 GB of bandwidth! No other company gives more support or power for your dedicated server http://click.atdmt.com/AFF/go/sdnxxaff00300020aff/direct/01/